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WO1999054256A1 - Dispositif permettant d'introduire de l'ozone dans des agents liquides - Google Patents

Dispositif permettant d'introduire de l'ozone dans des agents liquides Download PDF

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Publication number
WO1999054256A1
WO1999054256A1 PCT/EP1999/002616 EP9902616W WO9954256A1 WO 1999054256 A1 WO1999054256 A1 WO 1999054256A1 EP 9902616 W EP9902616 W EP 9902616W WO 9954256 A1 WO9954256 A1 WO 9954256A1
Authority
WO
WIPO (PCT)
Prior art keywords
ozone
pipeline
rotary lobe
liquid medium
downstream
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/EP1999/002616
Other languages
German (de)
English (en)
Inventor
Heinrich HÖLTER
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 AU38185/99A priority Critical patent/AU3818599A/en
Publication of WO1999054256A1 publication Critical patent/WO1999054256A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone

Definitions

  • the invention relates to a device for introducing ozone m liquid media.
  • ozone is used to treat pollutants dissolved in water and solids found in an aqueous solution, e.g. in drinking water treatment for disinfection, odor and taste improvement, iron removal, manganese, destruction of chlorinated hydrocarbons and pesticides and to improve flocculation.
  • wastewater treatment for detoxification, e.g. of cyanide, for decolorization and for changing the ratio of the chemical and biological oxygen demand, i.e. to increase the biodegradation behavior;
  • it is used in industry, e.g. for bleaching pulp and kaolin and for chemical synthesis of aldehydes.
  • the invention has for its object to provide a device for introducing ozone in liquid media, by means of which the ozone, with little technical and economic expenditure, can be used both in clear water and in watery suspensions and sludges for chemical reactions of the ozone with - 2nd
  • dissolved or suspended or adsorbed substances can be introduced.
  • a device for introducing ozone m liquid media which has a connection via which ozone m the liquid medium can be emitted and distributed there in fine bubbles, and has a multi-phase pump which is arranged downstream of the connection in the liquid medium and by means of the liquid medium containing the ozone is pumpable st.
  • gas containing ozone and the medium to be treated with ozone are simultaneously sucked in, brought to pressure and mixed, the ozone being optionally absorbed and able to react.
  • Blockage of any part of the system, e.g. of mixing elements, full body packs or nozzles is avoided, as a result of which the capital and operating costs are considerably reduced in comparison with the corresponding devices known from the prior art.
  • a particularly advantageous embodiment of the device according to the invention for introducing ozone into liquid media results if the multi-phase pump is designed as a rotary lobe pump.
  • connection it is expedient to design the connection as a filter candle into which ozone can be emitted, which is arranged in the liquid medium and can be introduced into the liquid medium by means of the ozone and can be distributed there in fine bubbles. This ensures that the introduction of ozone is both a very low viscosity and a very difficult - 3rd
  • aqueous medium is possible with comparatively little effort.
  • the ozone generated in an ozone generation device is offered to the aqueous medium by means of the filter candle and distributed there in fine bubbles.
  • the rotary lobe pump sucks in the aqueous, thin or viscous medium and the gas mixture, mixes and compresses it from 1 to 16 bar absolute as required.
  • the fine-bubble gas distribution which is achieved by means of the filter candle, and the mixing and the joint compression of the medium described above with the ozone-containing gas
  • a cylindrical container can be provided downstream of the multi-phase or rotary lobe pump.
  • this device is installed in a pipeline which conducts the main medium flow.
  • the device of a branch line carrying a partial medium flow can be arranged, which branches off from the pipeline carrying the main medium flow, runs parallel to the pipeline carrying the main medium flow and merges again with the pipeline carrying the main medium flow.
  • An absorption container is advantageously arranged in the branch line downstream of the rotary lobe pump.
  • the pipeline carrying the main medium flow can, if necessary, open into a reaction vessel.
  • Figure 2 shows a second embodiment of the device according to the invention
  • Figure 3 shows a third embodiment of the device according to the invention
  • Figure 4 shows a fourth embodiment of the device according to the invention.
  • An embodiment of an apparatus according to the invention for introducing ozone into liquid media is used to physically dissolve ozone in the water.
  • the ozone physically dissolved in the water should then react with substances present in the water.
  • ozone is generated from an oxygen-containing gas.
  • the ozone-containing gas stream leaving the ozone generating device 1 is introduced into a filter candle 2 which is arranged in a pipeline 3 which carries water contaminated with pollutants.
  • a filter candle 2 By means of the filter candle 2, ozone is distributed in fine bubbles within the polluted water.
  • the filter candle 2 is designed to be porous, so that the gas which acts on it and comes from the ozone generating device 1 enters the pollutant-containing water in fine gas bubbles.
  • the rotary lobe pump 4 is coated on its inner surfaces exposed to the polluted and ozone-containing water with Teflon or stainless steel 1.4571, which are ozone-resistant materials.
  • the pipeline 3 flows downstream of the rotary lobe pump 4 into a reaction container 5, in which the ozone dissolved in the water can react with the pollutants contained in the water. Water emerges from the reaction vessel 5 through an outlet 6, which water can be introduced into a receiving drain.
  • a gas flow emerges from the reaction container 5, which is sucked out of the reaction container 5 by a fan 7 and the atmosphere is passed on.
  • a residual ozone converter 8 in the form of a catalyst or the like. arranged, which is possibly converted to the gas flow extracted by the fan 7 ozone.
  • the gas flow containing the ozone is introduced directly into the main water flow running through the pipeline 3.
  • the filter candle 2 is provided.
  • the suction of the main water flow, an intimate mixing of the water with the gas flow entered through the filter candle 2, a pressure increase and the transport of the water takes place by means of the rotary lobe pump 4.
  • the reaction container 5 is dispensable, since the reactions taking place there also take place in the pipeline 3 itself can.
  • a reaction vessel 5 for example in the form of a biological clarification system, it is possible to introduce excess sludge from this reaction vessel 5 by means of a return line from the reaction vessel 5 to the area of the pipeline 3 which has the rotary lobe pump 4. Then the reaction between the ozone and substances contained in the water can already begin in the area of the rotary lobe pump 4 and the section of the pipeline 3 which has it.
  • a branch line 9 branching off from the pipeline 3 carrying the main water flow and flowing back into it is provided. The flow in the pipeline 3 is accomplished by means of a water pump 10.
  • the filter candle 2, which is connected to the ozone generating device 1, and the rotary lobe pump 4 are arranged in the branch line 9. As can be seen from FIG. 2, the entry of those containing ozone follows
  • Gas flow which originates from the ozone generating device 1, is sucked in via the filter candle 2 by means of the rotary lobe pump 4 into the partial water flow passing through the branch line 9.
  • the rotary lobe pump 4 By means of the rotary lobe pump 4, intimate mixing takes place between the partial water flow and the gas flow drawn in, the pressure prevailing in the water and in the gas being increased.
  • the absorption of ozone in the water continues in the cylindrical absorption container 11, with ozone not physically absorbed by the water entering the cylindrical absorption container 11 into a connecting line 12 which leads it to the residual ozone converter 8, in which it is treated in the manner already described, before it is supplied to the atmosphere by the fan 7.
  • a concentric tube 13 is provided within the cylindrical absorption container 11, through which the process of absorption of ozone in the water is supported.
  • FIG. 4 differs from the embodiment described above with reference to FIG. 3 in that instead of the connecting line 12 connecting the cylindrical absorption container 11 to the residual ozone converter 8, - 10th
  • the reaction container 5 is designed as a biological clear system. Waste water is introduced into the biological clarification plant 5 through an inlet 17. The biological clarification plant 5 is followed by a post-clarification stage 18, through the outlet 6 of which purified water runs off a receiving water.
  • the filter cartridge 2 and the rotary lobe pump 4 are arranged in the pipeline 3 functioning as a return line, the rotary lobe pump 4 being located on the downstream side of the filter cartridge 2.
  • a gas flow is introduced into the filter candle 2 in the manner already described, 11
  • the delivery flow is maintained in the pipeline 3 functioning as a return line, and in addition, in the manner already described several times, the gas flow through the filter candle
  • a cylindrical absorption container 11 Downstream of the rotary lobe pump 4, as indicated by the broken lines, a cylindrical absorption container 11 can be provided in the pipeline 3.

Landscapes

  • 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)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

L'invention concerne un dispositif permettant d'introduire de l'ozone dans des agents liquides. Ce dispositif a un raccord (2) par lequel l'ozone est guidé dans l'agent liquide où il est répartit par petites bulles. Le dispositif selon l'invention comprend également une pompe multiphase (4) qui est placée dans l'agent liquide en aval du raccord (2) et qui permet de pomper l'agent liquide contenant l'ozone.
PCT/EP1999/002616 1998-04-20 1999-04-19 Dispositif permettant d'introduire de l'ozone dans des agents liquides Ceased WO1999054256A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU38185/99A AU3818599A (en) 1998-04-20 1999-04-19 Device for introducing ozone into liquid media

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1998117258 DE19817258A1 (de) 1998-04-20 1998-04-20 Vorrichtung zum Einbringen von Ozon in flüssige Medien
DE19817258.3 1998-04-20

Publications (1)

Publication Number Publication Date
WO1999054256A1 true WO1999054256A1 (fr) 1999-10-28

Family

ID=7864967

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/002616 Ceased WO1999054256A1 (fr) 1998-04-20 1999-04-19 Dispositif permettant d'introduire de l'ozone dans des agents liquides

Country Status (3)

Country Link
AU (1) AU3818599A (fr)
DE (1) DE19817258A1 (fr)
WO (1) WO1999054256A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010155754A (ja) * 2008-12-26 2010-07-15 Nomura Micro Sci Co Ltd オゾン水の製造装置及び製造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI116791B (fi) * 1999-02-22 2006-02-28 Andritz Oy Menetelmä ja laitteisto nesteiden käsittelemiseksi aktiivikaasulla

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2606150A (en) * 1948-04-08 1952-08-05 Air Reduction Dispersion of gaseous treating agents in liquids
DE2434061A1 (de) * 1973-07-18 1975-02-06 Max Blatter Verfahren zur klaerung von gefaerbten und/oder trueben abwaessern
US4273660A (en) * 1979-02-21 1981-06-16 Beitzel Stuart W Purification of water through the use of ozone and ultraviolet light
JPH0429798A (ja) * 1990-05-25 1992-01-31 Fuso Kensetsu Kogyo Kk 浄水処理におけるオゾン接触法
JPH0664904A (ja) * 1992-08-20 1994-03-08 Fuji Electric Co Ltd オゾン水製造装置
JPH0686999A (ja) * 1992-09-08 1994-03-29 Meidensha Corp 汚泥輸送方法及び汚泥輸送装置
EP0835845A1 (fr) * 1995-04-11 1998-04-15 Kurita Water Industries Ltd. Dispositif pour le traitement biologique aérobie de déchets organiques aqueux

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2606150A (en) * 1948-04-08 1952-08-05 Air Reduction Dispersion of gaseous treating agents in liquids
DE2434061A1 (de) * 1973-07-18 1975-02-06 Max Blatter Verfahren zur klaerung von gefaerbten und/oder trueben abwaessern
US4273660A (en) * 1979-02-21 1981-06-16 Beitzel Stuart W Purification of water through the use of ozone and ultraviolet light
JPH0429798A (ja) * 1990-05-25 1992-01-31 Fuso Kensetsu Kogyo Kk 浄水処理におけるオゾン接触法
JPH0664904A (ja) * 1992-08-20 1994-03-08 Fuji Electric Co Ltd オゾン水製造装置
JPH0686999A (ja) * 1992-09-08 1994-03-29 Meidensha Corp 汚泥輸送方法及び汚泥輸送装置
EP0835845A1 (fr) * 1995-04-11 1998-04-15 Kurita Water Industries Ltd. Dispositif pour le traitement biologique aérobie de déchets organiques aqueux

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 194 (C - 0938) 11 May 1992 (1992-05-11) *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 307 (C - 1211) 13 June 1994 (1994-06-13) *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 347 (C - 1219) 30 June 1994 (1994-06-30) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010155754A (ja) * 2008-12-26 2010-07-15 Nomura Micro Sci Co Ltd オゾン水の製造装置及び製造方法

Also Published As

Publication number Publication date
DE19817258A1 (de) 1999-10-28
AU3818599A (en) 1999-11-08

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