DE69318644D1 - Behandlung von Flüssigkeiten - Google Patents

Behandlung von Flüssigkeiten

Info

Publication number
DE69318644D1
DE69318644D1 DE69318644T DE69318644T DE69318644D1 DE 69318644 D1 DE69318644 D1 DE 69318644D1 DE 69318644 T DE69318644 T DE 69318644T DE 69318644 T DE69318644 T DE 69318644T DE 69318644 D1 DE69318644 D1 DE 69318644D1
Authority
DE
Germany
Prior art keywords
liquids
treatment
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.)
Expired - Fee Related
Application number
DE69318644T
Other languages
English (en)
Other versions
DE69318644T2 (de
Inventor
Michael Ernest Garret
Arthur Godfrey Boon
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.)
BOC Group Ltd
Original Assignee
BOC Group Ltd
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
Priority claimed from GB929217480A external-priority patent/GB9217480D0/en
Priority claimed from GB929218767A external-priority patent/GB9218767D0/en
Application filed by BOC Group Ltd filed Critical BOC Group Ltd
Publication of DE69318644D1 publication Critical patent/DE69318644D1/de
Application granted granted Critical
Publication of DE69318644T2 publication Critical patent/DE69318644T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1289—Aeration by saturation under super-atmospheric pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B01F23/23231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237612—Oxygen
    • 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
    • C02F1/727—Treatment of water, waste water, or sewage by oxidation using pure oxygen or oxygen rich gas
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/06—Aerobic processes using submerged filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/223—Activated sludge processes using circulation pipes using "air-lift"
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/226—"Deep shaft" processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
DE1993618644 1992-08-17 1993-08-10 Behandlung von Flüssigkeiten Expired - Fee Related DE69318644T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929217480A GB9217480D0 (en) 1992-08-17 1992-08-17 Treatment of liquids
GB929218767A GB9218767D0 (en) 1992-09-04 1992-09-04 Treatment of liquids

Publications (2)

Publication Number Publication Date
DE69318644D1 true DE69318644D1 (de) 1998-06-25
DE69318644T2 DE69318644T2 (de) 1998-11-26

Family

ID=26301448

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993618644 Expired - Fee Related DE69318644T2 (de) 1992-08-17 1993-08-10 Behandlung von Flüssigkeiten

Country Status (7)

Country Link
US (1) US5509955A (de)
EP (1) EP0583932B1 (de)
KR (1) KR940003859A (de)
CN (1) CN1086194A (de)
CA (1) CA2101670A1 (de)
DE (1) DE69318644T2 (de)
HK (1) HK1011508A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5645726A (en) * 1996-03-14 1997-07-08 Deep Shaft Technology Inc. Treatment of waste liquor in a vertical shaft bioreactor
US6270681B1 (en) * 1999-04-30 2001-08-07 Mg Industries Aeration pond with oxygen recycling
WO2010092569A1 (en) * 2009-02-10 2010-08-19 Diffusair Ltd. Device and method for dissolving gas into a liquid

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805481A (en) * 1964-04-23 1974-04-23 E Armstrong Apparatus for and process of treating liquids with a gas
US3547811A (en) * 1969-07-02 1970-12-15 Union Carbide Corp Cyclic oxygenation of bod-containing water
FR2148903A5 (de) * 1971-08-10 1973-03-23 Air Liquide
US3748262A (en) * 1971-12-03 1973-07-24 Grace W R & Co Closed-loop generating and contacting system
IN141354B (de) * 1973-05-16 1977-02-19 Ici Ltd
DE2507698C2 (de) * 1975-02-22 1984-10-25 Linde Ag, 6200 Wiesbaden Vorrichtung zum Begasen einer Flüssigkeit
GB1541569A (en) * 1975-10-22 1979-03-07 Ici Ltd Treament of a liquid by circulation and gas contacting
NL7702473A (nl) * 1976-06-18 1977-12-20 Japan Ind Res Inst Werkwijze voor het verhogen van het gehalte aan opgeloste zuurstof in water.
CA1079422A (en) * 1978-03-14 1980-06-10 Eco-Research Limited Flexible downcomer for vertical waste treatment apparatus
EP0013819B1 (de) * 1979-01-15 1982-11-10 Imperial Chemical Industries Plc Verfahren und Vorrichtung für die Behandlung von Abwasser
DE2926441A1 (de) * 1979-06-29 1981-01-22 Linde Ag Verfahren und vorrichtung zur sauerstoffanreicherung einer fluessigkeit
CA1122728A (en) * 1979-10-26 1982-04-27 David C. I. Pollock Long vertical shaft bioreactor with pressurized head tanks
CA1114963A (en) * 1979-10-26 1981-12-22 Canadian Industries Limited Means for separation of gas and solids from waste mixed liquor
CA1114961A (en) * 1979-10-26 1981-12-22 Canadian Industries Limited Method for maintaining a constant gas to solids ratio in effluent from a long vertical shaft bioreactor
CA1115433A (en) * 1979-10-26 1981-12-29 David C.I. Pollock Method for protecting a bioreactor pressurized head tank against extreme surges of influent waste water
EP0037659B1 (de) * 1980-04-03 1984-08-01 Imperial Chemical Industries Plc Verfahren und Vorrichtung zur Behandlung von Abwasser
JPS5933439B2 (ja) * 1981-02-10 1984-08-15 株式会社クボタ 含窒素廃水の微生物学的廃水処理装置
JPS5930159B2 (ja) * 1981-04-28 1984-07-25 株式会社クボタ 水処理装置
GB2128175B (en) * 1982-10-07 1986-07-16 Boc Group Plc Method and apparatus for treating sewage
DE3632937A1 (de) * 1986-09-27 1988-03-31 Bbc Brown Boveri & Cie Verfahren zur erzeugung von ozon
GB8921454D0 (en) * 1989-09-22 1989-11-08 Thames Water Plc Oxygenation
JPH0440295A (ja) * 1990-06-01 1992-02-10 Shimizu Corp 廃水処理装置

Also Published As

Publication number Publication date
CA2101670A1 (en) 1994-02-18
EP0583932A1 (de) 1994-02-23
KR940003859A (ko) 1994-03-12
EP0583932B1 (de) 1998-05-20
US5509955A (en) 1996-04-23
DE69318644T2 (de) 1998-11-26
HK1011508A1 (en) 1999-07-09
CN1086194A (zh) 1994-05-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee