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WO2017039483A1 - Substance pour le traitement des eaux usées et procédé de sa production - Google Patents

Substance pour le traitement des eaux usées et procédé de sa production Download PDF

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Publication number
WO2017039483A1
WO2017039483A1 PCT/RU2016/000171 RU2016000171W WO2017039483A1 WO 2017039483 A1 WO2017039483 A1 WO 2017039483A1 RU 2016000171 W RU2016000171 W RU 2016000171W WO 2017039483 A1 WO2017039483 A1 WO 2017039483A1
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WO
WIPO (PCT)
Prior art keywords
water
substance
sodium
hydrocarbons
formaldehyde
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/RU2016/000171
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English (en)
Russian (ru)
Inventor
Андрей Владимирович КУСОВ
Юрий Петрович ДЕНИСОВ
Валерий Викторович ОРНАТОВ
Михаил Анатольевич МЕЛЬНИКОВ
Юрий Борисович ЦЫКИН
Борис Геннадьевич БУБНОВ
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.)
Obschestvo S Ogranichennoj Otvetstvennostyu "krasnaya Zvezda"
Original Assignee
Obschestvo S Ogranichennoj Otvetstvennostyu "krasnaya Zvezda"
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
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Publication of WO2017039483A1 publication Critical patent/WO2017039483A1/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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]

Definitions

  • the claimed group of inventions relates to the field of organic chemistry.
  • the inventive substance can be used to purify process and waste water from oil, oil products and other hydrocarbons, including fuel oil, gasoline, kerosene, oil, cutting fluid, suspended solids, including small particles of sand, clay or complex aqueous emulsion-suspension mixtures, for example mixtures of clay, sand, oil and fuel oil.
  • the claimed group of inventions is directed, including to the destruction of persistent oil emulsions and suspensions, as well as emulsion - suspension systems, which include, for example, produced water (a displacing agent that is a waste product from oil production), which, as a rule, is cleaned by "Dynamic" sludge and after treatment are returned to production, and the waste generated after treatment - mechanical impurities and hydrocarbons, are usually disposed of.
  • produced water a displacing agent that is a waste product from oil production
  • the residual content of suspended solids and hydrocarbons in water when exposed to external substances contributes to the formation of a viscous mass, which can lead to clogging of oil-containing reservoirs, especially low-permeability zones of these reservoirs, which ultimately leads to a decrease in field productivity.
  • deep purification of produced and waste water contributes to solving the problems of longer-term exploitation of oil fields and more complete extraction of oil from oil-containing reservoirs, and the environmental situation in oil and gas fields has been improved.
  • the inventive substance relates to water-soluble low molecular weight polymer compositions, and more particularly to phosphorus-containing alkylamine compositions used as extractants, coagulants, corrosion inhibitors and scalers in water treatment and water treatment.
  • Reagents based on polyacrylamide, a high molecular weight compound with a number of valuable properties for its use in various industries as a flocculant, are widely used among water-soluble polymers.
  • a disadvantage of the known substance is the low value of the electrokinetic potential and, as a consequence, the low rate of destruction of stable oil-water emulsions.
  • Known flocculant based on a high molecular weight polymer of polyacrylamide obtained by polymerization of an acrylamide monomer produced by a biotechnological method [Patent for invention RU2077588, IPC ⁇ 12 ⁇ 13/02, filing date 04/20/1997]. used as a substance for water purification from suspended solids and hydrocarbons of the Praestol brand [Kutya MV .. Kurov LN “The use of flocculant Praestol 852 in the circulating water supply of motor transport enterprises” // Journal: “Modern high technology”. 2014. N? 5- l. Access Mode: http://cyberlenirika.ru/article/ ⁇
  • a disadvantage of the known substance is the low purification rate and the relatively low degree of water purification from suspended solids and hydrocarbons, including oil and oil products. This is due to the fact. that the known substance is a high molecular weight compound that has an ionic character (cationic or anionic, depending on the composition) with a narrow range of electrokinetic potential. This makes it difficult to screen (neutralize) the opposite charges of suspended particles and prevents them from sticking together (coagulation). In addition, the formation of "polymer bridges" connecting microparticles without changing the electrical properties of the system, and, as a result, leading to flocculation (coalescence) of impurities, is difficult, due to the reduced "flexibility" of high molecular weight chains of polymer compounds, especially in salt water.
  • the disadvantage of the prototype substance is the relatively low degree and speed of water purification from suspended particles and hydrocarbons, including oil and oil products. This is due to the fact that the positive expansion of the range of the electrokinetic potential of the composition is apparently blocked by the introduction of sodium chloride, due to a change in the ratio of the adsorption and diffusion layers of colloidal particles (micelles), slowing down the screening of oppositely charged particles and, therefore, their coagulation (sticking) and enlargement.
  • a method of obtaining a substance according to the prototype provides for the preparation of a composition of sodium alkylamino phosphonates, with the additional introduction of sodium chloride, whose role in the formation of flocculating properties of the reagent is not clear and causes a decrease in the effectiveness of the substance according to the prototype.
  • a known method for producing high molecular weight polyacrylamide including the formation of stable reverse monomer emulsions in the presence of inorganic salts and subsequent polymerization, is used as inorganic salts with metal salts of groups II and III in the amount of 0.001-0.05% by weight of the aqueous phase. [RU2043997, IPC C08F120 / 56, C08F2 / 32, filing date 02/10/1992].
  • High molecular weight polymers of acrylamide and its derivatives are obtained by radical polymerization of monomers, mainly in aqueous solutions or in organic solvents, as well as in a crystalline state. Radical polymerization can be initiated by various physicochemical effects.
  • a known method of producing polyacrylamide by polymerization of acrylamide in the presence of inorganic salts of metals of groups II and III in water once at 55C [Patent for invention RU2043997, IPC C08F120 / 56, C08F2 / 32, filing date 10.02. 1992].
  • the disadvantage of the prototype method is that the feed order and the temperature-time parameters of the synthesis of the active substance do not allow to obtain the final product with the highest possible efficiency as a substance for purifying water from suspended solids, hydrocarbons, including oil and oil products.
  • the composite composition obtained in the process of heat treatment containing sodium alkylaminophosphonates of a certain parametric series does not have an optimal ratio, while the yield of a suitable substance (sodium alkylaminophosphonates) is relatively low.
  • the experimental results showed that when the temperature of the reaction mass reached 97 ° C. according to the prototype method, active pricing starts in the reactor, which leads to the release of the reaction mass from the reactor and, as a result, to a change in the chemical composition of the mass inside the reactor.
  • the prototype method allows to obtain a substance having a relatively low degree and speed of water purification from suspended solids and hydrocarbons, including oil and oil products.
  • the technical problem to which the claimed substance is directed is to increase the efficiency of water purification from suspended solids and hydrocarbons, including oil and oil products.
  • the technical result is an increase in the degree and speed of water purification from suspended solids and hydrocarbons, including oil and oil products.
  • the substance for purifying water from suspended solids and hydrocarbons, including oil and petroleum products contains a composition of sodium alkyl halophosphonates, as well as water.
  • a composition of alkylamino phosphonates of sodium contains sodium alkylaminophosphonates of the General formula:
  • it may additionally contain ethylene monoalkylphenol, for example, grade OP-7. or gigylenedialkylphenol. for example, grade OP-10, in an amount of 0.5 to 1, 0 May. %
  • the claimed substance contains sodium alkylaminophosphonates of various parametric series.
  • the inventive substance is an ampholyte of biphilic type. those. possessing amphoteric properties and exhibits both acidic and basic properties depending on the properties of the solvent (dispersion medium).
  • the claimed substance dissociates both according to the acid mechanism ⁇ (the removal of hydrogen ions H + ) and the base mechanism (removal of OH hydroxide ions " ) - that is, it is ionic ( + cationic or " anionic).
  • the inventive substance has an affinity for both water and non-aqueous (impurity) phase and performs its functions at the interface.
  • the claimed substance has a dual nature and acts as a cationic or aninogenic surfactant when screening (neutralizing) the opposite charges of solid suspended particles and contributes to further coalescence (coagulation) of particles and microdrops of the processed emulsions and has a fairly wide range of electrokinetic potential, which allows successfully purify water from a wide variety of impurities (suspended solids, hydrocarbons, including oil and oil products), changing t only the working dosage of the reagent. Additionally, at a certain dosage, the inventive substance can be used for precipitation from water from dissolved salts of silicon Si, calcium Ca, magnesium Mg and iron Fe.
  • the technical problem to which the claimed method is directed is to create a method that allows to obtain a substance for water purification from suspended solids and hydrocarbons, including oil and oil products, having a high degree and speed of water purification from suspended solids and hydrocarbons, including the number of oil and petroleum products.
  • the claimed method is aimed at, is expanding the arsenal of methods for producing a substance for purifying water from suspended solids and hydrocarbons, including oil and petroleum products, which has a high degree and rate of water purification from suspended solids and hydrocarbons, including oil and oil products.
  • a method of obtaining a substance for purifying water from suspended solids and hydrocarbons, including oil and oil products involves preparing a composition of sodium alkylamino phosphonates by treating aliphatic amines with phosphorous acid NzRO.h and HCNO formaldehyde in the presence of hydrochloric acid HC1, followed by cooling and neutralization with an aqueous solution of caustic NaOH.
  • phosphorous acid U.J'O is heated; in the presence of hydrochloric acid HC1, in the second stage, HCNO formaldehyde, taken in the form of an aqueous solution, is added at a ratio of phosphorous acid to formaldehyde of 0.9 - 1 .1: 0.1 5 - 0.1 8.
  • HCNO formaldehyde taken in the form of an aqueous solution, is added at a ratio of phosphorous acid to formaldehyde of 0.9 - 1, 1: 0.75 - 0.92, while in the fourth stage the reaction is carried out for no more than 2.5 hours.
  • HCNO can additionally add ethylene monoalkylphenol, for example, grade OP-7, or ethylene dialkylphenol, for example, grade OP-10, in the amount of 0.5 -]. May 0. %, while maintaining the temperature equal to 60-65 ° C.
  • the effectiveness of the claimed substance in wastewater treatment is very weak, due to the low content of the main substance - sodium alkylamino phosphonate.
  • the low melting point of amines causes technological difficulties in obtaining the main substance for purifying water from suspended solids and hydrocarbons.
  • the inventive substance contains May 5-25. % sodium alkylaminophosphonates. If the content of sodium alkylamino phosphonates is less than 5%, then the speed and degree of purification of the claimed substance of water from hydrocarbons and solid suspended particles decreases. If the content of sodium alkylamino phosphonates is more than 25%, the conditions necessary for the synthesis of a substance for water purification from suspended solids and hydrocarbons will become much more complicated, the synthesis temperature, synthesis time and oxidation state will increase. in addition, foaming increases in the process of obtaining substances for water purification from suspended solids and hydrocarbons.
  • the inventive substance contains May 5-15. % trisodium phosphate.
  • trisodium phosphate sodium trisodium phosphate introduced at the end of the process with the main active substance, sodium aminoalkylphosphonates.
  • the content of trisodium phosphate is less than 5%, then a low concentration will not allow to achieve a synergistic effect to increase the degree and speed of purification.
  • the content of trisodium phosphate is more than 15%, then the synergistic effect of increasing the degree and speed of treatment is weak, due to the high content of trisodium phosphate.
  • the inventive substance contains May 60-85. % water.
  • the amount of water in the inventive substance determines the manufacturability of its use.
  • Water is added to the mixture of sodium alkylaminophosphonates and trisodium phosphate to obtain the finished product - a substance for purifying water from suspended solids and hydrocarbons, thereby determining the concentration of active substances in the composition for purifying water from suspended solids and hydrocarbons, including oil and oil products.
  • the water content is less than 60%, then the increased concentration of the mixture of active components - sodium alkylaminophosphonates and trisodium phosphate in the process of its use for purification of water from suspended solids and hydrocarbons will lead to a loss of processability when using the composition and to increase the likelihood of an overdose of the reagent.
  • the water content is more than 85%.
  • reagent delivery costs sharply increase - transportation of diluted solutions is disadvantageous to the consumer.
  • a wetting agent of ethylene monoalkylphenol or ethylene dialkylphenol in the inventive substance does not affect the increase in the efficiency of water purification from suspended solids and hydrocarbons, but it allows to reduce foaming during the preparation of the inventive substance at the stage of introducing an aqueous solution of formaldehyde into the reactor.
  • a decrease in foaming allows avoiding the ejection of the reaction mass from the reactor, which allows preventing a change in the chemical composition of the reaction mass inside the reactor.
  • the results of the experiments showed that in the case of using ethylene monoalkylphenol or ethylene dialkylphenol in an amount of less than 0.5% or more than 1%, foaming will not be effectively suppressed. Foaming may occur.
  • ethylene monoalkylphenol or ethylene dialkylphenol is preferable, since excessive water content leads to a decrease in the composition of the active substance (a mixture of sodium alkylamino phosphonates and trisodium phosphate). Reduced foaming increases the yield of the finished product.
  • trisodium phosphate as a surfactant can increase the degree of purification of water from suspended solids and hydrocarbons, including oil and oil products, as well as increase the speed of treatment due to the manifestation of a synergistic effect from the use of a mixture of trisodium phosphonate and sodium alkylamino phosphonates in accordance with the claimed ratio.
  • the mechanism of action of the claimed substance is based on the enlargement of particles of the dispersed phase by adsorption of macromolecules of the claimed substance on the surface of water-polluting particles (hydrocarbons or solid suspended particles) and the removal of contaminants from this system.
  • the substance has greater activity and efficiency in purifying water from suspended solids and hydrocarbons than the substance obtained by the prototype method due to the synergistic effect of the combined action of sodium alkylamino phosphonate and trisodium phosphate.
  • an aqueous solution of phosphorous acid with a concentration of phosphorous acid of 50-55% is obtained, it is preferably heated to a temperature of 50-55 ° C and then the catalyst is added in the form of hydrochloric acid to obtain an aqueous solution of a mixture of phosphorous and hydrochloric acids.
  • the catalyst is added in the form of hydrochloric acid to obtain an aqueous solution of a mixture of phosphorous and hydrochloric acids.
  • the catalyst is added in the form of hydrochloric acid to obtain an aqueous solution of a mixture of phosphorous and hydrochloric acids.
  • the catalyst is added in the form of hydrochloric acid to obtain an aqueous solution of a mixture of phosphorous and hydrochloric acids.
  • the ratio of phosphorous acid to hydrochloric acid is 9.5-10.5: 0.95-1.05, which determines the possibility of obtaining sodium alkylamino phosphonates.
  • the reaction is preferably carried out at a temperature of 60-65 ° C. At a temperature of less than 60 ° C, a uniform distribution of the components in the reaction mass is not provided, and a slowdown in the process of dissolution of an aqueous formalin solution is also observed. At temperatures above 65 ° C, the likelihood of foaming of the reaction mass sharply increases.
  • the reaction is preferably carried out at a temperature of 70-90 ° C. At a temperature of less than 70 ° C, the synthesis reaction is slowed down. At temperatures above 90 ° C, the likelihood of foaming of the reaction mass sharply increases.
  • the ratio of phosphorous acid to aliphatic amines is 9.5-10.5: 8.0-9.0, which determines the possibility of obtaining sodium alkylamino phosphonates.
  • the reaction is carried out for no more than 2.5 hours, preferably at a temperature of 90-94 ° C. At temperatures below 90 ° C, a low rate of synthesis reaction is observed and the yield of the resulting substance is low. At temperatures above 94 ° C, the likelihood of foaming of the reaction mass sharply increases. After 2.5 hours of carrying out the reaction in the fourth stage, the probability of decomposition and the degree of oxidation of the final product with dissolved oxygen increases, which leads to a deterioration in the quality and overall performance of the obtained composition.
  • cooling and neutralization are carried out, preferably at a temperature of 60-65 ° C. At temperatures less than 60 ° C, the process of obtaining the substance slows down and stops, and the yield of the main product also decreases. At temperatures above 65 ° C, a sharp increase in temperature is observed, which leads to foaming in the reactor.
  • the ratio of phosphorous acid to caustic soda is 0.95-1, 05: 9.3-9.5, which determines the possibility of obtaining a working composition with the required pH value.
  • the selected ratio of phosphorous acid to trisodium phosphate and formaldehyde determines the possibility of obtaining a substance for water purification from suspended solids and hydrocarbons, including oil and oil products in the claimed ratio of components.
  • the resulting composition of sodium alkylamino phosphonates will have a different parametric series of active substances and, therefore, less activity and efficiency in treating water from hydrocarbons and suspended solids.
  • the initial preparation of a mixture of hydrochloric and phosphorous acids allows one to reduce the synthesis time of sodium alkylamino phosphonates and use the inventive method for the production of substances for purifying water from solid suspended parts and hydrocarbons on an industrial scale.
  • Hydrochloric acid according to the claimed method acts as a catalyst and does not participate in the ongoing chemical reactions.
  • inventive group of inventions in comparison with the prototypes has a combination of distinctive features, which allows us to conclude that the claimed substance and the claimed method meet the patentability criterion of "novelty".
  • trisodium phosphate and sodium alkylaminophosphonates allows you to achieve a synergistic effect by increasing the performance characteristics of the composition in terms of speed and degree of water purification from suspended solids and hydrocarbons.
  • the inventive method allows to obtain a new substance for water purification from solid suspended parts and hydrocarbons, which is not obvious to a specialist and having a high degree and speed of water purification from solid suspended particles and hydrocarbons, including oil and oil products.
  • inventive substance can be manufactured and applied using known methods and means.
  • inventive method can be implemented using known methods and means.
  • claimed group of inventions meets the criterion of patentability - "industrial applicability”.
  • the composition of sodium alkylamino phosphonates is prepared in four stages. At the first stage, in a glass reactor, using a four-necked flask equipped with a stirrer, thermometer, reflux condenser and water lock, 170 g of ⁇ water, 170 g of phosphorous acid ⁇ demander ⁇ , 25 g of 35% hydrochloric acid are loaded. Moreover, the addition of water allows for better and faster dissolution of the solid granules of phosphorous acid. The mixture is heated to ti with constant stirring.
  • the melting point of aliphatic amines CH3- (CH 2 ) n-NH2 t 3 increases. Then the reaction mass is mixed, with a simultaneous increase in temperature to t 5 within 30-35 minutes, which is sufficient to achieve uniform heating of the reaction mass. After raising the temperature, the reaction mixture is additionally mixed for 1–20 min, which is sufficient to achieve a uniform distribution of components in the reaction mixture.
  • a dropwise feed of 167 g of a 37% aqueous solution of formaldehyde of HCNO is carried out while maintaining the temperature of the reaction mixture to t 6 . Then, after the supply of an aqueous solution of formaldehyde, the reaction mass is stirred for T hours.
  • reaction mass (the resulting mixture of a parametric series of sodium alkylamino phosphonates) is cooled to t ?. After cooling, the reaction mass is dosed (drip) to avoid foaming. serves 42% aqueous solution of sodium hydroxide NaOH at a maintained temperature within t 7 . Every 25-30 minutes. samples were taken to measure the concentration of hydrogen ions pH. When reaching a pH of 8, stop feeding sodium hydroxide and measure the pH of a 1% solution of the reaction mixture. At a pH of a 1% solution of the reaction mass equal to 8.5, trisodium phosphate Na3P04 * 12f O is introduced into the reaction mass with constant stirring in an amount of 10 g at a temperature tg until it dissolves.
  • reaction mass is stirred for 30-35 minutes, which is sufficient to achieve a uniform distribution of the components in the reaction mass and complete completion of all reactions, then cooled to 50-60 ° C, which technologically simplifies the further process of using the inventive substance, and slowly drained into containers. Then, water is added to the obtained substance to achieve the required concentration.
  • the ratio of phosphorous acid to hydrochloric acid is 10: 1; the ratio of phosphorous acid to aliphatic amines is 10: 8.5; the ratio of phosphorous acid to the total amount of formaldehyde is 1: 1; the ratio of phosphorous acid to sodium hydroxide is 1: 9.4; the ratio of phosphorous acid to trisodium phosphate is 5: 3.
  • the claimed substance and substance were made according to the prototype. An assessment was also made of the cleaning efficiency of the claimed substance in comparison with the prototype and analogue (reagent Praestol).
  • the use of the inventive substance allows to speed up the process of purifying water from hydrocarbons and solid suspended parts by 3-5 times and to increase the degree of purification 2-7 times (compared with the analogue) and 2-6 times (compared with the prototype) .
  • the claimed substance allows you to achieve the following technical result - increasing the degree and speed of water purification from suspended solids and hydrocarbons, including oil and oil products.
  • the claimed method allows to achieve the following technical result - the expansion of the arsenal of methods for producing substances for water purification from suspended solids and hydrocarbons, including oil and petroleum products having a high degree and speed of water purification from suspended solids and hydrocarbons, including oil and petroleum products.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

Le groupe d'inventions faisant l'objet de cette demande peut être utilisé pour le traitement des eaux techniques et des eaux usées polluées par le pétrole, les produits pétroliers et d'autres hydrocarbures. La substance pour le traitement des eaux usées comprend une composition à base d'alkylaminophosphonates de sodium ayant la formule générale CH3-(CH2)n-N- [CH2PO(OH)ONa]2, dans laquelle n=10-20, phosphate trisodique Na3PО4 · 12Н2О et l'eau avec le rapport suivant des composants en %alkylaminophosphonates de sodium 5-25, phosphate trisodique 5-15, eau 60-85. Le procédé de production de la substance de l'invention comprend le traitement des amines aliphatiques par de l'acide phosphoreux et du formol, avec addition d'amines et refroidissement subséquents jusqu'à 60-65°С suivis d'une neutralisation par une solution aqueuse de soude caustique jusqu'à un рН=8-10. Après la neutralisation, on ajoute du phosphate trisodique Na3PО4 · 12Н2О à une température de 60- 65°С et un rapport de l'acide phosphoreux au phosphate trisodique 4,8 - 5,2: 2,8 -3,2. Le résultat technique consiste à améliorer la vitesse et le degré de traitement des eaux polluées par des particules en suspension de pétrole, de produits pétroliers et d'autres hydrocarbures.
PCT/RU2016/000171 2015-09-01 2016-03-28 Substance pour le traitement des eaux usées et procédé de sa production Ceased WO2017039483A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EA201500800A EA026382B1 (ru) 2015-09-01 2015-09-01 Вещество для очистки вод от твердых взвешенных частиц и углеводородов, в том числе от нефти и нефтепродуктов, и способ его получения
EA201500800 2015-09-01

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Cited By (3)

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RU2685134C2 (ru) * 2017-08-21 2019-04-16 Акционерное общество "Группа компаний "Зеленый мир" Универсальный реагент для дестабилизации водонефтяных эмульсий и суспензий
EA033194B1 (ru) * 2017-08-16 2019-09-30 Акционерное общество "Группа компаний "Зеленый мир" Универсальный реагент для дестабилизации водонефтяных эмульсий и суспензий
RU2770839C1 (ru) * 2021-07-15 2022-04-22 Общество с ограниченной ответственностью «Е-3» Алкиламиновая композиция для очистки воды от тяжелых металлов, твердых взвешенных частиц, нефти и нефтепродуктов

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EP1932850A1 (fr) * 2006-12-11 2008-06-18 Thermphos Trading GmbH Composés de phosphonate
RU2487879C2 (ru) * 2006-12-11 2013-07-20 Деквест Аг Реакционноспособные фосфонаты

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US5510038A (en) * 1993-02-17 1996-04-23 Wegmueller; Marcel C. Process for preventing the formation of deposits in a construction drainage system
RU2301200C1 (ru) * 2006-01-27 2007-06-20 Общество С Ограниченной Ответственностью "Научно-Производственное Объединение Химтэк" Композиционный состав для очистки вод, загрязненных твердыми взвешенными частицами, диспергированными маслами и/или нефтепродуктами, и способ его получения
EP1932850A1 (fr) * 2006-12-11 2008-06-18 Thermphos Trading GmbH Composés de phosphonate
RU2487879C2 (ru) * 2006-12-11 2013-07-20 Деквест Аг Реакционноспособные фосфонаты
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EA033194B1 (ru) * 2017-08-16 2019-09-30 Акционерное общество "Группа компаний "Зеленый мир" Универсальный реагент для дестабилизации водонефтяных эмульсий и суспензий
RU2685134C2 (ru) * 2017-08-21 2019-04-16 Акционерное общество "Группа компаний "Зеленый мир" Универсальный реагент для дестабилизации водонефтяных эмульсий и суспензий
RU2770839C1 (ru) * 2021-07-15 2022-04-22 Общество с ограниченной ответственностью «Е-3» Алкиламиновая композиция для очистки воды от тяжелых металлов, твердых взвешенных частиц, нефти и нефтепродуктов

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