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WO2018091059A1 - Procédé de stérilisation et de purification de milieux liquides et procédé de séparation de constituants solides et liquides d'un mélange solide-liquide et dispositif pour la mise en oeuvre des procédés - Google Patents

Procédé de stérilisation et de purification de milieux liquides et procédé de séparation de constituants solides et liquides d'un mélange solide-liquide et dispositif pour la mise en oeuvre des procédés Download PDF

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Publication number
WO2018091059A1
WO2018091059A1 PCT/EP2016/001908 EP2016001908W WO2018091059A1 WO 2018091059 A1 WO2018091059 A1 WO 2018091059A1 EP 2016001908 W EP2016001908 W EP 2016001908W WO 2018091059 A1 WO2018091059 A1 WO 2018091059A1
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WO
WIPO (PCT)
Prior art keywords
solid
vibrating screen
liquid
medium
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2016/001908
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German (de)
English (en)
Inventor
Dominik Schulze Isfort
Herbert Tauber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to PCT/EP2016/001908 priority Critical patent/WO2018091059A1/fr
Priority to EP17783388.6A priority patent/EP3541757A1/fr
Priority to PCT/EP2017/001102 priority patent/WO2018091118A1/fr
Priority to RU2019117891A priority patent/RU2019117891A/ru
Priority to US16/461,429 priority patent/US20200055759A1/en
Publication of WO2018091059A1 publication Critical patent/WO2018091059A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
    • C02F1/481—Treatment of water, waste water, or sewage with magnetic or electric fields using permanent magnets
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical

Definitions

  • the invention relates to a process for the sterilization and purification of liquid and / or aqueous media and that initially to a method and apparatus for cleaning and especially sterilization of the medium and can for water treatment in the system for drinking and household water, industrial water, in the Chemical and pharmaceutical industry, in the food industry, in the medical industry and for the purification and sterilization of waste water from Komunal- operated, industry in agricultural enterprises, local sewage treatment plants, modular water treatment stations are used, but in particular as a downstream method of procedures previously for separation solid and liquid components of a solid-liquid mixture has taken place, for example, nachzubeteln liquid ingredients that have been incurred in a process in which solid and liquid components of a solid-liquid mixture have been separated, for example in the treatment of manure, ordnance and the like.
  • the current state of the art corresponds to numerous process technologies for multi-stage cleaning operations of liquid media such.
  • B. water The process techniques and systems used relate z. B. a chemical water sterilization such.
  • a water treatment with chlorine using special chlorine facilities where the treated chlorine water is then mixed with the whole incoming water mass.
  • One disadvantage of chlorine water treatment is that chlorine must be stored in intermediate storage tanks for use in steel cylinders, which results in high investment costs.
  • Water treatment plants can not prevent the penetration of significant amounts of inorganic and organic substances into drinking water. Under these conditions, the use of chlorine as a degerming agent leads to the formation of new compounds, which are often more toxic than the starting materials.
  • the energy gained from cooling the flow is used as a heat transfer medium for domestic and process requirements.
  • the cavitation is performed by hydrodynamic or ultrasonic methods.
  • the implosion of bubbles takes place upon cooling of the ka- vit believing liquid by feed and / or cold flow of the heat carrier.
  • the filtered solids are rinsed (Patent RU 2240984 dated 27.11.2004).
  • the plant for implementing the common method consists of a coarse filter, a pre-filter, a pump, a supply line, an ultrafilter, a high-pressure pump, a reverse osmosis filter, resistance meters, a carbon filter, a Soptionsfilter, a cation filter, an ion filter and a candle filter for sterilization.
  • a disadvantage of this method and the apparatus for carrying it out is that there is no pre-oxidation to convert soluble iron to hydroxide to prevent its penetration into the microliters.
  • Iron ions in the microfilter, their frequent regeneration or exchange interfere with the continuous operation of the membrane plant, increase maintenance costs and cost of drinking water production.
  • Carbon filters, sorption filters and candle filters collect pollutants. They must be flushed regularly with chemical reagents.
  • Each hydrodynamic cavitator is designed in the form of a rotating cavitator with a suction and a discharge nozzle.
  • the container of the first stage is with the Suction port of the cavitator connected, the discharge nozzle is connected to the container of the second stage.
  • the second stage cavitator is connected to the nozzles with second and third stage containers.
  • the third-stage cavitator is connected to the sockets of third and fourth stage tanks.
  • the fourth stage cavitator is connected to the sockets of fourth and fifth stage tanks.
  • the fifth stage cavitator is connected to fifth stage vessels and the water clarification device. Bottoms of the fourth and fifth stage tanks are connected by piping to the sediment draining device.
  • a disadvantage of this method is that similar functional components are used, namely rotating cavitators, which can not provide some necessary factors of neutralization and cleaning operations such as mechanical impact processing, electrolysis processes and so on.
  • the prior art further discloses a process for purifying liquid media, which includes balancing the medium composition, cavitation treatment of the medium, treatment of the medium in the magnetic field, pH correction of the medium, and sedimentation to clarify the medium (Patent application RU 2002119765).
  • the disadvantage of the above-mentioned method and treatment plants is that they can not ensure high cleaning performance and high efficiency.
  • reagent is optionally added to the ferromagnetic stator.
  • the reagent may, for. B. from the following group are selected: milk of lime, aluminum sulfate, iron chloride;
  • the method may optionally include treatment of the recovered medium in a rotating pulse device;
  • the method may optionally include filtering the medium by means of a deep bed filter;
  • the method may optionally include ozonization of the medium
  • the method may optionally include treatment of the medium with UV rays.
  • a cavitator in particular a Strahlkavitator
  • a system for the injection of air and an oxygen Air mixture is equipped with a ferromagnetic stator with a magnetic rotating field and a magnetic and / or magnetizable element, in particular with magnetic and ferromagnetic needles, and with a unit for sedimentation, in particular a separator and in particular a downstream sludge deposition plant ,
  • the device can optionally be equipped with a compensation mixer, which is installed in the flow direction to the sterilizing media in front of the Strahlkavitator.
  • the device may optionally be equipped with a means for metering reagents for the ferromagnetic stator.
  • the separating device of the medium may preferably be equipped as a hydrocyclone.
  • the device or the system be equipped with a rotating pulse device, which is installed in the flow direction of the media after the separator.
  • the device is preferably equipped with deep bed filters, which are installed downstream of the separation device.
  • the device may preferably be equipped in a unit for ozonization of the medium, which is installed in the flow direction downstream of the separation device. Furthermore, the device is preferably equipped with a unit for UV irradiation of the medium, which is installed in the flow direction downstream of the separation device.
  • an automatic control unit can be provided to automatically set and control the entire device and thus the process line.
  • the pending method and the system suitable for implementing the method use a combination of a cavitator, in particular a Strahlkavitators with a system which is equipped for the injection of air or an air-gas mixture and a subsequent ferromagnetic stator ( FMS) with magnetic rotating field and magnetic and / or magnetizable elements, in particular with ferromagnetic needles.
  • a cavitator in particular a Strahlkavitators
  • FMS ferromagnetic stator
  • the medium can be subjected to post-purification and after sterilization by means of a rotating pulse device, a deep bed filter, an ozonization unit and / or a UV treatment unit.
  • a conventional system or apparatus for implementing the described method comprises successively a balancing mixer, a continuous Strahlkavitator with a device for injection of air and / or an oxygen-air mixture, a ferromagnetic stator with rotating ferromagnetic elements (with magnetic rotating field ), combined with a dosing unit for the addition of reagents, a unit for sedimentation, equipped with hydrocyclones and a sludge separator, a rotating pulse device (cavitator), a Deep bed filter unit with automatic charge regeneration, an ozonation unit, a UV irradiation unit and a unit for supplying treated water.
  • an automatic control unit can be provided, which is linked to all facilities of the system. Other facilities are installed if necessary to fine clean, z. B. to win drinking water.
  • the balancing knife is intended for balancing the composition of the liquid medium and represents a container with a mixer.
  • the Strahlkavita- tor is intended for the treatment of the liquid medium.
  • a Strahlkavitator generally consists of a tubular housing with a narrowed and a rear extended part, as well as with a nozzle for supplying gas-air medium.
  • a ferromagnetic stator (FMS) is designed for the cavitation treatment of the medium to accelerate the oxidation and degradation of molecules of organic matter dissolved in water.
  • the FMS uses the energy of the magnetic rotating field with a high specific concentration in a spatial work of the work area.
  • the FMS includes a housing with a working area containing a replaceable insert and ferromagnetic elements (needles) and an inductor that extends over the entire working area.
  • the inlet of the FMS is connected directly to the outlet of the cavitator.
  • the sedimentation unit equipped with a sludge separator is intended for the separation of the liquid medium and the sludge resulting from subsequent treatment.
  • a rotating pulse device is designed for the subsequent removal of suspended matter from the cleaned medium. It is a horizontal cylindrical hollow housing having two diametrically opposed threaded bores in which the nozzles are arranged, the mouth of which is made flush with the cylindrical inner cavity.
  • the cylindrical hollow housing also has a cylindrical hollow rotor coaxial with the gap.
  • the cylindrical hollow rotor has two diametrically opposed identical openings. In this case, identical orifices of the nozzles and two identical openings of the rotor lie on a diametrical axis.
  • the rotor is equipped with a bearing unit, which is equipped with a collar for sealing the housing interior of the hydrodynamic pulse generator when the rotor is rotated by an electric drive.
  • Tiefbettfilterticianen, ozonation units and the UV irradiation unit provide a final fine cleaning of the corresponding medium.
  • a waste water is introduced via equalizing mixtures at a rate of 28 to 33 m / s in the fürlaufkavitator, where the Kavitations awareness of wastewater takes place.
  • air and / or an oxygen-air mixture is additionally injected at the pressure of at most 4 atm in the flow-through cavitator. This creates a supercaverne and their main footprint is increased.
  • the cavitation process goes into the phase of ventilation cavitation (artificial cavitation) over, which is characterized by a reduction in the cavitation number (stable supercavitation operation).
  • microbeams with velocities of 200 to 1,000 m / s and a local impact pressure of about 10 3 MPa are produced, which act on reaction components at intervals that are comparable to molecular dimensions. Furthermore, in a collision of impulse jets, Pils and bacteria spores are killed at lightning speed.
  • a prerequisite for a bubble implosion is the movement and excitation of the medium, resulting in a spherically symmetric bubble implosion.
  • a very high speed at the time of implosion and a strong increase of local pressure are considered as one of the causes of the formation of cavitation.
  • cavitation is a phenomenon of vapor formation and of air excretion caused by pressure reduction in the liquid.
  • the cause of cavitation is the sieving of a liquid at normal temperature under low pressure.
  • the emergence of cavitation allows the air dissolved in the water, which excretes when pressure decreases.
  • the life cycle of a cavitation bubble consists of two phases: expansion and implosion, which together form a complete thermodynamic cycle.
  • the "boiling" of a liquid is due to the fact that a thin layer of air is adsorbed on the surfaces of these particles.
  • the air-layer particles when they enter the vacuum area, allow the development of such cavitation.
  • the bacterial flora in the liquid to be treated also serves as a place of origin for cavitation bubbles.
  • the liquid reaches the bottom it comes to a boil, and cell membranes of bacteria that get into or near cavitation bubbles are completely or partially destroyed because of the pressure difference inside and around them.
  • the second phase of the life cycle of a cavitation bubble is the implosion (condensation). This takes place in an overpressure range into which the cavitation bubble passes with the liquid to be treated.
  • the condensation process of a cavitation bubble takes place instantaneously.
  • the liquid particles surrounding the bubble migrate at high speed to their center.
  • the momentum of particles at the moment of bubble formation triggers local hydraulic micro-shocks accompanied by local pressure increase up to 10 4 kg / cm 2 and local temperature increase to 1000-1500 ° C.
  • most cavitation bubbles are deformed and are elliptical or conical.
  • the implosion of such bubbles creates cumulative, high-energy rays that destroy everything in their path.
  • the implosion of individual cavitation bubbles shows no expected effect. However, there are several cavitation bubbles present and several thousand implode per second. Therefore, they can collectively exert a significant destructive or other effect without heating the liquid to be treated.
  • cavitation in ultra-high-temperature operation in addition to the mechanical influence, also has a micro-sterilization effect on the bacterial flora in the zone of extinction of cavitation bubbles.
  • the walls of cavitation bubbles and liquid drops that are in bubbles have unlike charges. In an implosion, the bubbles shrink drastically and the charges come on very small surfaces of the bubbles. By a jerky reduction of surfaces of cavitation bubbles, the voltage of static electricity increases dramatically. Between the walls of cavitation bubbles and drops that are inside, there are electrical discharges that have a form of microscopic lightning. These high intensity electrical discharges also have a detrimental effect on the bacteria causing the bubbles to form.
  • the gas-air phase which contains a large amount of gas and non-imploded bubbles as well as nucleons (cavitation nuclei), is transferred to the working area of the FMS.
  • the working area of the FMS a comminution of solids contained in wastewater up to submicron dimensions as well as a molecular degradation under impact of ferromagnetic elements in the magnetic rotating field takes place. There are further cavitation effects and electrolysis processes take place.
  • the ferromagnetic elements rotate about their transverse axis in the working area of the FMS at a speed close to the speed of rotation of the magnetic field to migrate simultaneously within the working area.
  • the particles oscillate with respect to the force vector of the magnetic field.
  • These vibrations can be several thousands per second.
  • each ferromagnetic element constitutes its own mixer mill which rotates at a high but varying rotational speed.
  • Such movement of hundreds of particles results in rapid stirring and dispersion of components.
  • the specific energy of the rotating electromagnetic field is extremely high and reaches 10 kW / m 3 .
  • the Energy intensity from the FMS is z. B. 100 to 200 times higher compared to the energy intensity of vibration mills.
  • G-F-F gas-liquid-solid
  • reagents are added in the FMS by means of a dosing system.
  • the reagents are introduced directly into the working area of the FMS and are comminuted together with solids from waste water, they immediately enter the precipitation reaction and the displacement reaction with heavy metals.
  • Organic substances are broken down to complete mineralization (up to CO2 and H2O).
  • the treated effluents are discharged into the unit with hydrocyclones, where a accelerated sedimentation of coagulated particles takes place. Mud is removed with the desludging system.
  • the purified water passes through the rotary impulse device (cavitator) or through a floatation floatation unit through the deep bed filter unit, ozonation unit and UV irradiation unit to sanitize the water according to the end user's requirements for the treated water. All devices and units are controlled by an automatic control unit.
  • the method in question and the process line are described by way of example of wastewater treatment, they can also be used for the sterilization and purification of other liquid media.
  • the process described above may be followed by a process in which solids and liquids are separated from a solid-liquid mixture to after-treat the separated liquid
  • the solid-liquid mixture is separated in the upstream process in a housing with a vibrating screen.
  • a housing prevails in the housing.
  • the material to be separated is flowed through by air entraining liquid particles.
  • an air flow can also pass through the meshes of the sieve surface with entrainment of corresponding liquid fractions, so that the separation process takes place at an exceptionally high process speed and the vibrating sieve is permanently cleaned.
  • the inlet through which the solid-liquid mixture reaches the vibrating screen, opens above the rear end of the vibrating screen in the conveying direction.
  • the solids contained in the solid-liquid mixture reach the vibrating screen in the region of its rear end so that they are conveyed over the entire length of the vibrating screen until they reach the front end where the discharge opening is provided.
  • the movement of the solid components along the length of the vibrating screen promotes the separation of the liquid constituents from the solid constituents and thus increases the degree of separation.
  • a distributor can be arranged in the housing below the inlet and above the vibrating screen. This distributor is used to optimally exploit the surface of the vibrating screen for separation.
  • the distributor does not act in the longitudinal direction or conveying direction of the vibrating screen, but transversely thereto, so distributes the mixture over the width of the vibrating screen and advantageously over its entire width.
  • the vibrating screen can be arranged obliquely from bottom to top and operated so that it promotes the solid components obliquely upward.
  • the inclination of the inclination can be specified constructively in adaptation to the intended field of application or it can be provided a tilt adjustment of the vibrating screen or the housing in order to adapt the device flexibly to different requirements can.
  • the vibrating screen is to adjust the level of the solid-liquid mixture only so high that the vibrating screen protrudes partially above this level upwards.
  • a kind of floating filter cake with a high solids content forms on the vibrating screen.
  • This filter cake is promoted on the vibrating screen upwards and thus beyond the level of the solid-liquid mixture, so that there, supported by the vibrating effect of the vibrating screen, a particularly effective further separation of the liquid components from the filter cake can be done before the solid Components then enter the discharge opening, through which they leave the housing.
  • a mesh size of the vibrating screen has proven to be smaller than 0.8 ⁇ m, for example between 0.7 and 0.8 ⁇ m.
  • high throughput rates of the device were achieved with such mesh sizes. While the proportion of solid constituents within the solid-liquid mixture was about 7 to 8%, it was only about 0.8% in the liquid components coming out of the device.
  • the degree of separation can be increased even further and, with the same starting material, the amount of solid constituents can be reduced to about 0.2 to 0.3%, at the expense of one lower throughput of the device.
  • the degree of separation can be further improved if the solid constituents coming from the discharge opening are aftertreated in a subsequent second separation step, for example in a screw press.
  • a screw press is that this has in known manner a screw, which is referred to as press screw or screw conveyor, and has one or more filters radially outside the screw.
  • This post-treatment can also be carried out under reduced pressure, as m claim 1 advantageous and carried out according to claims 2 and 3.
  • this filter has a plurality of slots extending in the longitudinal direction of the screw.
  • the configuration of the screw press described may advantageously comprise a filter having a plurality of flat iron. These flat bars are aligned coaxially with the worm by the flat iron extending lengthwise in the longitudinal direction of the worm.
  • the flat irons are aligned around the worm radially, so that the width of the flat iron extends radially outward from the worm and the thickness of the flat iron extends in each case tangentially to the worm. Because of this radiate ring-like orientation of the flat iron these lie with their radially inner ends almost close to each other, while outwardly the distances of the flat iron are larger to each other.
  • a structurally simple and economically producible embodiment of this filter for example, consist in that several flat bars are combined to form a package, for example, depending on the thickness of two to ten adjacent flat iron. Despite a full-surface contact of the individual flat iron to each other arise at a sufficiently high internal pressure within the filter passages for the liquid to be discharged.
  • Spacers are provided between two adjacent packets in the outer radial region of the filter, but not in the radially inner region of the filter so as to give an overall annular and nearly circular cross-section of the filter surrounding the press screw in the manner of a polygonal tube. Also independently of the proposed device, which has a suctioned vibrating screen, the screw press can be used for separation.
  • a conveying device can be provided which conveys the solid components which either arrive directly from the housing accommodating the vibrating screen or indirectly, namely from the downstream second separation stage, to a transfer point.
  • the conveyor can be configured in many ways, for example as a conveyor belt or screw conveyor, wherein a screw conveyor is mentioned below purely by way of example.
  • the solid components are transferred from the device to a subsequent device.
  • the downstream device can be, for example, an open storage bin or a container in which the solid components are added. ben.
  • the solid constituents if they lie as a pile on a substrate or are filled in a container, even after days a considerable temperature level, possibly due to Kompost istsvorg- gene.
  • the solid ingredients can therefore be given for example in a container, the one Includes piping heat exchanger, so that a guided through this heat exchanger medium is heated.
  • the proposed device can be designed as a mobile, transportable unit, z. B. be constructed within a container, on a vehicle trailer or the like.
  • a supply line from the manure tank is moved to the device, through which the manure from the manure tank enters the device, namely in the housing, which surrounds the vibrating screen.
  • a pump is advantageously provided, which promotes the solid-liquid mixture into the housing.
  • the aforementioned suction pump in turn promotes the liquid components in the manure tank back and ensures the negative pressure below the vibrating screen.
  • this circulation it is not necessary to provide an additional tank as an intermediate storage, in which the coming out of the device, separated, liquid components of the manure are directed. Rather, the circulation of manure or its liquid constituents causes the proportion of solid constituents in manure gradually reduced significantly so that after a few hours of treatment, for example, three to five hours, the liquid in the slurry tank has a solids content of only about 1% or even less.
  • a particularly economical use of the proposed device may be that it does not remain permanently unused for a long time next to the slurry tank, but rather is spent from day to day to another slurry tank, for example by a contractor.
  • the embodiment of the device as a movable trailer or the arrangement of the individual components of the device on a mobile trailer allows this mobile use of the device.
  • the solid-liquid mixtures in containers, by tank truck or the like can be spent on the device.
  • the solids content can be separated as completely as possible from the solid-liquid mixture and can be thermally utilized in a combustion plant which is also stationary there.
  • a stationary device is not subject to the limitations imposed on a mobile device, for example, in terms of its dimensions, so that stationary devices can be made particularly efficient.
  • the device can be used in the agricultural sector, for example for fermenter cleaning by the contents of a biogas fermenter is freed, for example, of mineral solids such as sand.
  • the essential for the function of the fermenter microorganisms are advantageously recycled to the fermenter by the liquid components are recirculated from the device in the circulation in the fermenter.
  • the device is equipped not only with a single vibrating screen, but with two vibrating screens. These two vibrating screens are each arranged in a separate housing.
  • the solid-liquid mixture is led to both housings separately, by branching a supply line, which leads the solid-liquid mixing ng to the vibrating screens, branches and in each of the two housings a separate inlet is provided ,
  • the performance of the device is substantially doubled, without having to create a single vibrating screen with correspondingly larger, for example, doubled dimensions, which involves considerable design challenges.
  • the arrangement of two housings and two vibrating screens can also be advantageously used to achieve a particularly high degree of separation, in that the two vibrating screens have different mesh sizes:
  • a switch can be made possible to selectively lead the solid-liquid mixture to only one of the two inlets and thus to only one of the two different vibrating screens.
  • the solid-liquid mixture can first be led out of the manure tank into the housing, in which the vibrating screen with the larger mesh size is located. Later, the valve arrangement can be switched so that the solid-liquid mixture, which now already has a significantly lower solids content, is applied to the vibrating screen with the smaller mesh size, so that now further, previously unfiltered solids by means of this vibrating screen from the solid-liquid mixture can be separated.
  • the separation of initially coarser solid constituents by means of the first, coarser-meshed vibrating screen prevents the fine-meshed vibrating screen from becoming too covered and too impermeable by the solid constituents, which would adversely affect the throughput.
  • the two differently configured vibrating screens with their different mesh sizes can be used to select in adaptation to the particular starting material present, for example, differently composed Güllesorten, each of the most suitable vibrating screen. This can be advantageous, in particular, in the case of the already mentioned wage undertakings or mobile deployed devices, which are brought to different locations and are accordingly charged with possibly very different starting materials.
  • the vibrating screens of different mesh sizes can be connected in series so that the liquid constituents are led out of the coarser vibrating screen onto the finer vibrating screen and only then out of the device.
  • valve assembly can also be designed so that it allows four different modes: either the solid-liquid mixture is performed only on one of the two vibrating screens, namely either first on the one or secondly the other vibrating screen, or third is the hard Liquid mixture in the manner of a parallel operation led to both vibrating screens, or fourth, the solid-liquid mixture is performed in the manner of a series or series operation on only one and then the other of the two vibrating screens.
  • the corresponding configuration of the valve arrangement and its associated guidance of pipelines can be achieved, for example, by means of shut-off or changeover valves, in particular multiway valves. Valves known in the art and therefore need not be explained in detail in the context of the present proposal.
  • the solid components that form a filter cake resting on the vibrating screen cause a certain sealing of the vibrating screen.
  • This seal is advantageous in that it prevents or reduces the suction of air which otherwise could be sucked in by the vibrating screen where an obliquely upward vibrating screen projects upwardly out of the solid-liquid mixture.
  • This sealing by the filter cake therefore enhances the suction power in the area where the vibrating screen dips into the solid-liquid mixture and where the liquid from the solid-liquid mixture is to be sucked down through the vibrating screen.
  • an overflow edge can therefore be provided on the forward end of the vibrating screen in the conveying direction, which extends upwards beyond the vibrating screen. It has the effect that a certain minimum layer thickness of the mentioned filter cake has to be reached and maintained on the vibrating screen before the solid components can overcome this overflow edge and pass from the vibrating screen into the discharge opening.
  • the overflow edge may have a height that is between 0.5 and 3 cm, e.g. B. about 1 cm. Air can be sucked in this way from top to bottom only through the vibrating screen, and each time when the filter cake lifts due to the vibrations in the short term from the vibrating screen.
  • the device may alternatively be operated in such a way that solid components do not have the highest possible dry content, but rather are still liquid and thus pumpable, if this should be advantageous for their further use.
  • the degree of separation can therefore deliberately not be set to the maximum, and this is typically associated with an increase in throughput.
  • the separation performance can be deliberately set low, so that a filter cake but rather a liquid from the vibrating screen enters the discharge, but in comparison to the supplied solid-liquid mixture has a higher proportion of solid components.
  • the permeability of the vibrating screen can be reduced by a smaller opening ratio, for example by using a perforated plate instead of a screen.
  • the material As solid constituents, the material is referred to, which leaves the vibrating screen in the conveying direction, passes into the discharge opening, and has a higher solids content than the device supplied solid-liquid mixture, and in particular a higher solids content than that sucked across the vibrating screen Material called liquid constituents.
  • the so-called solid constituents can therefore also be liquid, for example pumpable. In this case, it may typically be provided not to recirculate the solid constituents, for example to a slurry tank, but to a second tank, for example a tank, which is available stationary or as part of a tanker truck.
  • the proposed device serves in this case to concentrate the solid-liquid mixture by providing as a so-called solid constituents a flowable material which has a higher solids content than the originally present solid-liquid mixture.
  • Manure for example, has an economic value which depends on the nutrient content, which in turn is determined in particular by the solids content.
  • a device according to the proposal can also be used for the otherwise separate solid and liquid components.
  • the amount of solid components could be reduced by about 7 to 8% to significantly less than 1%.
  • a - not shown in the drawings - tube inside the housing, above the obliquely The strainer surface and within the solid-liquid mixture, lying horizontally aligned, the tube is made of the housing.
  • the tube has in the portion which is located within the housing, openings in its wall, similar to a drainage pipe, so that liquid portion of the solid-liquid mixture can enter the pipe.
  • the tube is the same negative pressure, as prevails in the housing below the screen surface. Even if solid particles enter the pipe with the liquid entering the pipe, the performance of the entire apparatus is considerably increased.
  • the device is usually connected to a large reservoir of a solid-liquid mixture, and the liquid filtrate, which is withdrawn from the device, is recirculated in this large reservoir, so that from this recycling only the solid is withdrawn exits the device.
  • Solid components that have passed into the mentioned pipe and return to the large storage tank will consequently be re-fed to the device sooner or later. If then already a large proportion of solids has been withdrawn from the solid-liquid mixture and the solid-liquid mixture flowing into the device contains a lower solids content, the probability is greater that the initially circulated solids now on enter the screen surface, are promoted above the liquid level also upwards, and are discharged in this way from the cycle as dry matter.
  • the described measure for improving the performance thus serves to effect a higher throughput of the device, so it represents a quantitative improvement.
  • the improvement of the performance of the device can also be done in qualitative terms, namely by allowing the deposition of very small solid particles from the solid-liquid mixture, so the purity of the liquid filtrate is increased.
  • sieve surfaces with a mesh size or pore size of 7 m can be used, which represents an unusually high filter fineness, which is a correspondingly very good quality of the liquid withdrawn from the solid-liquid mixture - in many applications: Water - allows.
  • This qualitative improvement of the device can be made possible by the fact that the screen surface oscillates with a particularly high intensity. For example, a particularly high vibration frequency can be used.
  • the vibration intensity can be expressed in g (gravitational acceleration).
  • the vibration intensity may have values of 7 g or more, in particular 10 g or more, in particular, for example, values between 11 g and 13 g, and with which good results have been achieved in practical experiments.
  • the qualitative improvement of the device can also be effected by the fact that the solid-liquid mixture is not only vibrated by the movements of the screen surface itself, but that it is subjected to ultrasound.
  • ultrasound can be directed from below against the sieve surface, so that the ultrasound acts on both the solid-liquid mixture and on the sieve surface.
  • the result of the qualitative improvement of the device is that accumulations of solids are avoided in front of the pores of the screen, so that in spite of the mentioned filter fineness down to 7 ⁇ a blockage of the screen surface can be avoided.
  • Another aspect of the developments of the known device relates to the aspect that the exiting from the device substances are sanitized so that they can be easily stored and / or transported.
  • the disposal of organic hospital waste especially if they contain human excretions, can be highly problematic from a hygienic point of view, especially if in disasters or disease areas these excretions may contain germs that pose a health hazard. If, for example, in areas contaminated with MERS, AIDS or Ebola, such waste from hospitals or infirmaries reaches the normal sewage system - if there is any sewer system at all - and the germs contained in this waste can later escape to the atmosphere, this will be counteracted supports the efforts of the respective hospitals or infirmaries the uncontrolled spread of dangerous germs.
  • this problem relates to regions in which there is typically no sewerage or clarification facilities for the disposal of organic waste, and relates to areas in which, for example, due to natural disasters, facilities such as sewers or clarifiers have been destroyed or rendered unusable, and this problem is concerned
  • provisionally built settlements which only transitionally for a certain period of time such as refugee camps, or settlements with emergency shelters in disaster areas.
  • this problem also affects hospitals in the so-called civilized or highly developed areas, where the problem of multidrug-resistant bacteria exists. Also, such germs should not enter the environment uncontrolled as possible.
  • the organic wastes which are obtained as a solid-liquid mixture, can be separated and sanitized.
  • the solids can be placed in a closed incinerator. Not only by the thermal utilization of the solids, the energy contained therein can be used, but by the combustion and harmful germs, which may be contained in the solids are reliably rendered harmless.
  • the sanitation can be carried out, for example, by irradiating the solid-liquid mixture and / or the liquid filtrate with UV light. Also, the solids can be irradiated with UV light, but there is the problem that this can only be a complementary measure, because probably the solids can not be completely penetrated by the UV radiation and sanitized accordingly.
  • the sanitation can be effected alternatively or in addition to a UV irradiation, characterized in that the solid-liquid mixture and / or the liquid filtrate and / or the deposited solid by means of Microwave is heated to a sanitation temperature, which may for example be above 70 ° C or 80 ° C.
  • the device may advantageously be provided with a post-treatment unit for the solid precipitated from the device.
  • This post-treatment unit can be designed, for example, as a packaging device.
  • the solid can be pressed into bales, which are then mechanically wrapped with foil and wrapped airtight in this way.
  • the bales can be designed, for example, in a manner known per se as round bales, or advantageously cuboid shaped, so that they can be stacked to save space.
  • the solid can be filled into a foil tube, one end of which is closed, and clamped and sealed after filling a desired tube length, and optionally cut from a considerably longer, still unfilled tube, so that - as in the sausage production - Tube sections are created, which are closed at both ends and contain the solid.
  • Both the bales mentioned and the aforementioned tube sections then enable the safe storage or the safe transport of the packed solid so that it can be transported, for example, to the mentioned incinerator.
  • the solid has a high - and possibly also because of its contained hazardous substances or germs - the thermal utilization in a closed incineration plant can be energetically advantageous while ensuring at the same time that organic ingredients of the solid are rendered harmless.
  • Such closed incineration plants are typically equipped with high-performance filters, so that, in addition to the thermal effect, any remaining inorganic harmful particles can be rendered harmless and can not be released into the environment.
  • funnel into which the solid passes can advantageously connect several pipes to be able to supply auxiliaries:
  • sanitizing material may be added to the solid flowing through the funnel by means of a tubing adjoining the funnel.
  • moisture-absorbing material which influences the mechanical properties of the solid, for example, to better press it in the downstream aftertreatment unit or to allow improved dimensional stability of the pressed solid, such as the aforementioned bales.
  • a plurality of pipe connections is provided at the end of the device where the screen surface is located lowest, ie at the so-called inlet end, in the region of which the inlet openings are located.
  • a lateral pipe is provided in the region of this inlet end, which opens into the housing above the screen surface.
  • the mentioned auxiliaries or process auxiliaries can be guided into the housing. Due to the fact that the pipeline is arranged higher than the pipe line connections, the behavior or the effect of the respective substance supplied can be influenced.
  • further pipelines or pipe connections can be provided in the conveying direction of the screen surface, so that even at a later time during the separation process within the housing substances the solid-liquid mixture can be added in its original composition or with increasing solids content.
  • the arrangement of the sieve surface is made clear by a double row of holes, which serves to fasten the sieve surface and reveals the oblique course of the sieve surface in relation to the horizontal.
  • the solids may either be packaged airtight, as discussed above, or they may be pressed at least so strong as to form a plug that seals the space enclosed by the housing and the funnel:
  • a press screw may connect to the hopper as a post-processing device.
  • the mentioned closed-walled pipe can be configured for this purpose as a transition piece, whose cross section passes from a rectangular to a circular contour, so that it can connect the press screw with a circular, tubular housing.
  • the harmless material into the Free enter and be dumped, for example, on the back of a vehicle or in the hold of a vehicle, or in place as a pile.
  • Fig. 1 is a perspective view of an apparatus for separating
  • FIG. 2 shows a view into a housing of the device of FIG. 1, together with a vibrating screen
  • Fig. 3 is a perspective view in an open screw press the
  • Fig. 4 is a view from another perspective of the screw press of Fig. 3;
  • Fig. 5 is a sectional cross-sectional view of the embodiment of FIG. 1 in the region of a stepped screen surface of a vibrating screen and a pressure equalization between the space below the
  • 1 denotes a device as a whole, which serves for separating solid and liquid components of a solid-liquid mixture, in particular manure.
  • the device 1 has two housings 2, which are combined to form a common construction group, in each of which a vibrating screen 3, which is inclined relative to the horizontal, is arranged.
  • a vibrating screen 3 which is inclined relative to the horizontal, is arranged.
  • an end wall 4 is mounted, which has been removed in the case of the right or the viewer towards 2.
  • a vibration drive 5 is mounted on the top of this assembly.
  • the device 1 is designed as a mobile device in the form of a truck trailer, with a frame 6, wheels 7 and a drawbar 8, which can be connected by means of a trailer hitch to a towing vehicle.
  • a towing vehicle about vibration damper in the form of elastomeric bearings 40, the housing 2 are decoupled from the frame 6 vibrationally.
  • This mobile device 1 is shown in Fig. 1 in front of a slurry tank 9.
  • a corrugated tube 10 carries manure as a solid-liquid mixture from the manure tank 9 to Vorrich- From the pump 11 from the solid-liquid mixture passes through a pipe 12 to the two housings 2, wherein the pipe 12 branches and leads to two inlets 14, each of which in one of the housing 2 opens.
  • the liquid components which pass through the vibrating screens 3 pass through outlets 15 from the housings 2.
  • outlets 15 are provided on the underside of each housing 2.
  • the processes 15 open into a manifold 16, which is designed as a transverse square tube. From the collection tube 16, the liquid components are passed through a suction line 17 to a suction pump 18. From the suction pump 18 they pass through a return line 19, which is designed as a tube, back into the slurry tank. 9
  • the vibrating screens 3, and in the illustrated embodiment, the two housings 2, are arranged obliquely relative to the horizontal. 1, from left to right, so that the right end of a vibrating screen 3 is arranged higher than the left, lower end of the vibrating screen 3.
  • the level of solid-liquid mixture within a housing 2 is set during operation of the device 1 so that the vibrating screen 3 protrudes with its front in the conveying direction, right end of the solid-liquid mixture upwards.
  • the solid components arrive on the vibrating screen 3 to the right end of the housing 2, where they pass through a discharge opening in a hopper 20, the tapers downwards.
  • the two vibrating screens 3 namely, when the solid-liquid mixture is equally conducted through the pipe 12 in both housing 2, get from both housings 2, the solid components in the hopper 20 and from there down into a plenum 21st
  • the solid components are conveyed away by means of a screw conveyor 22.
  • the screw conveyor 22 Due to the maximum permissible length that the device 1 may have as a vehicle trailer, the screw conveyor 22 is designed divisible and the end shown in Fig. 1 right represents a connection area.
  • An extension piece 23 of the screw conveyor 22 can from there the screw conveyor 22 on the extend the illustrated right end to a greater length and to a greater height.
  • a foldable or foldable configuration of the screw conveyor 22 is provided, wherein the extension piece 23 is always hingedly connected to an upright axis hingedly connected to the fixed part of the screw conveyor 22 and can be pivoted from its illustrated folding position into an extension position in which it extends this fixed part of the screw conveyor 22 rectilinear.
  • the screw conveyor 22 including the extension piece 23 is shown in Fig. 1, only the outer cladding tube, the actual screw runs in a conventional manner within this cladding tube.
  • Fig. 2 shows a view into the right and front housing 2 of the device 1 of Fig. 1, in which the end wall 4 is removed.
  • the pipeline 12 extends in the region of the inlet 14 into the housing 2.
  • On the housing 2 is a Füh- provided sungsstutzen 24, through which the pipe 12 extends, so that in this way the pipe 12 is decoupled from the housing 2 in terms of vibration and can remain relatively rigid, while the housing 2 is set together with the vibrating screen 3 by the vibration drive 5 in vibration ,
  • An air inlet into the housing 2 is firstly possibly possible through an annular gap, which results between the guide nozzle 24 and the thinner pipe 12 there, provided that this annular gap should not be sealed, but this can be advantageously provided in a conventional manner.
  • an air inlet in the discharge opening is possible, namely where the hopper 20 connects to the housing 2.
  • the housing 2 is closed. The mentioned admission of air occurs due to the suction effect of the suction pump 18, which generates a negative pressure in the housing 2.
  • An overflow edge 38 is provided in the conveying direction at the front of the vibrating screen 3, in front of the discharge opening, so that the solid components accumulate on the vibrating screen 3 and have to reach a corresponding height or layer thickness before they can overcome the overflow edge 38 and reach the discharge opening.
  • a manifold 25 is provided, which is designed as a flat sheet, which extends substantially transversely below the inlet 14 and which has a plurality of distribution ribs 26, which by the inlet 14 in distribute the housing 2 reaching solid-liquid mixture over the entire width of the vibrating screen 3.
  • the collecting chamber 21 may be configured: From the hopper 20 enter the solid components of the solid-liquid mixture from the housing 2 into the plenum 21.
  • the plenum 21 is open at the bottom Housing designed in which a screw press 27 runs. Also in this case, the actual screw, namely the pressing screw, not visible, but rather a filter 28 can be seen.
  • the filter 28 is formed by a multiplicity of flat iron 35 which extend in the longitudinal direction of the screw press 27 and which are in each case combined to form packages 29.
  • Each package 29 has several upright flat iron 35, for example, between two and ten pieces, wherein purely by way of example in the illustrated each embodiment, four flat bars 35 form a packet 29.
  • the packages 29 are arranged so that they abut each other with their radially inner longitudinal edges, while between two adjacent packages 29 at the radially outer periphery of the filter 28 each have a gap in the longitudinal direction of the screw press 27, since the flat iron 35 within a package 29 parallel and arranged one another over the entire surface.
  • Spacers 36 are provided between the individual packages 29.
  • the packages 29 surround a press screw 37 similar to a longitudinally slotted cladding tube.
  • the filter 28 is adjacent almost to the outer periphery of a press screw, but a small gap between the filter 28 and the press screw 37 is provided to allow a low-wear operation of the screw press 27. Notwithstanding this embodiment, a significantly larger gap between the filter 28 and the press screw 37 may be provided, if this should be advantageous for the treatment of the respective material to be processed.
  • the front in the conveying direction, shown in Fig. 3 left end of the screw press 27 is closed by a plug 30, which is guided by means of a bolt 31 in an abutment 32.
  • a compression spring 33 is supported, which holds the plug 30 in its closed position, in which it abuts the front end of a cladding tube 34, which surrounds the press screw 37 following the filter 28.
  • the plug 30 first abuts the cladding tube 34 and closes it.
  • the pressing pressure which builds up inside the screw press 27 by the rotation of the press screw 37, moisture is expelled from the solid components and pressed through the filter 28.
  • the compressed solid components can press the plug 30 against the action of the compression spring 33 from the cladding tube 34, so that now the separated material, namely the solid components, from the annular gap between the plug 30 and the cladding 34th exit and fall down. There they are detected by the screw conveyor 22.
  • the collecting space 21 simply as a container, that is to say as an empty space without a screw press 27 mounted therein.
  • the screw press 27 can in this case be operated as a separate device, for example only if necessary, if the first place by means of of the vibrating screen 3 separated solid components should have an even higher solids or dry content.
  • the material can be conveyed by the screw conveyor 22 from the collecting space 21 to the screw press 27.
  • a post-treatment of the coming of the vibrating screen 3 solid components by means of the screw press 27 can be done or omitted.
  • FIG. 5 is closer in a cross-sectional view of the vibrating screen 3 shown in training with two Schwingsieb Suiteen 3.1 and 3.2, which are formed stepped, so that between the Schwingsieb Suiteen 3.1 and 3.2, a breaking edge 3.3 results and the surface of Schwingsieb Suitees 3.2 extends with a height distance to the surface of Schwingsieb Suitees 3.1 and lower overall.

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)

Abstract

L'invention concerne un procédé de purification et/ou de stérilisation de milieux liquides et/ou aqueux, comprenant les étapes suivantes: traitement par cavitation du milieu, en particulier par cavitation de jet, et injection d'air ou d'un mélange oxygène-air dans un dispositif de cavitation; - puis traitement du milieu dans un réacteur hydrodynamique présentant un champ magnétique rotatif et des éléments magnétiques et/ou magnétisables, en particulier des aiguilles ferromagnétiques; - puis séparation, en particulier sédimentation du milieu traité au moyen d'un dispositif de séparation de boues. L'invention concerne en outre un dispositif correspondant, présentant les caractéristiques suivantes : - un dispositif de cavitation réalisé en particulier sous la forme d'un dispositif de cavitation de jet, qui est équipé d'éléments pour l'injection d'air ou d'un mélange d'oxygène et d'air; - un réacteur hydrodynamique présentant un champ magnétique rotatif et des éléments magnétiques et/ou magnétisables, en particulier des aiguilles ferromagnétiques; - une unité de séparation, en particulier de sédimentation, de préférence combinée à un dispositif de séparation de boues.
PCT/EP2016/001908 2016-11-16 2016-11-16 Procédé de stérilisation et de purification de milieux liquides et procédé de séparation de constituants solides et liquides d'un mélange solide-liquide et dispositif pour la mise en oeuvre des procédés Ceased WO2018091059A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/EP2016/001908 WO2018091059A1 (fr) 2016-11-16 2016-11-16 Procédé de stérilisation et de purification de milieux liquides et procédé de séparation de constituants solides et liquides d'un mélange solide-liquide et dispositif pour la mise en oeuvre des procédés
EP17783388.6A EP3541757A1 (fr) 2016-11-16 2017-09-19 Procédé de stérilisation et de purification de milieux liquides et procédé de séparation de constituants solides et liquides d'un mélange solide-liquide et dispositif pour la mise en oeuvre des procédés
PCT/EP2017/001102 WO2018091118A1 (fr) 2016-11-16 2017-09-19 Procédé de stérilisation et de purification de milieux liquides et procédé de séparation de constituants solides et liquides d'un mélange solide-liquide et dispositif pour la mise en oeuvre des procédés
RU2019117891A RU2019117891A (ru) 2016-11-16 2017-09-19 Способ стерилизации и очистки жидких сред, а также способ разделения твердых и жидких составных частей смесей твердых и жидких фаз и устройство для осуществления способа
US16/461,429 US20200055759A1 (en) 2016-11-16 2017-09-19 Method for Disinfecting and Cleaning Liquid Media and Method for Separating Solid and Liquid Constituents of a Solid-Liquid Mixture and Apparatus for Implementing the Method

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PCT/EP2016/001908 WO2018091059A1 (fr) 2016-11-16 2016-11-16 Procédé de stérilisation et de purification de milieux liquides et procédé de séparation de constituants solides et liquides d'un mélange solide-liquide et dispositif pour la mise en oeuvre des procédés

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CN110589952A (zh) * 2019-09-29 2019-12-20 广东石油化工学院 一种污水处理系统
CN114314904A (zh) * 2021-12-11 2022-04-12 国网湖北省电力有限公司电力科学研究院 一种污水组合处理系统及方法
CN114307899A (zh) * 2021-12-30 2022-04-12 西南石油大学 一种旋流脉冲空化装置

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CN110304676A (zh) * 2019-07-23 2019-10-08 天津海之星水下机器人有限公司 一种基于水力空化技术的移动式污水处理装置
CN110589952A (zh) * 2019-09-29 2019-12-20 广东石油化工学院 一种污水处理系统
CN110589952B (zh) * 2019-09-29 2022-10-25 广东石油化工学院 一种污水处理系统
CN114314904A (zh) * 2021-12-11 2022-04-12 国网湖北省电力有限公司电力科学研究院 一种污水组合处理系统及方法
CN114307899A (zh) * 2021-12-30 2022-04-12 西南石油大学 一种旋流脉冲空化装置
CN114307899B (zh) * 2021-12-30 2023-05-26 西南石油大学 一种旋流脉冲空化装置

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