GB2275922B - Bifilm process and plant - Google Patents

Bifilm process and plant

Info

Publication number
GB2275922B
GB2275922B GB9404697A GB9404697A GB2275922B GB 2275922 B GB2275922 B GB 2275922B GB 9404697 A GB9404697 A GB 9404697A GB 9404697 A GB9404697 A GB 9404697A GB 2275922 B GB2275922 B GB 2275922B
Authority
GB
United Kingdom
Prior art keywords
bifilm
plant
bifilm process
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
GB9404697A
Other versions
GB9404697D0 (en
GB2275922A (en
Inventor
Rodney Stuwart Denton
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.)
BIWATER EUROP Ltd
Original Assignee
BIWATER EUROP 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
Application filed by BIWATER EUROP Ltd filed Critical BIWATER EUROP Ltd
Publication of GB9404697D0 publication Critical patent/GB9404697D0/en
Publication of GB2275922A publication Critical patent/GB2275922A/en
Application granted granted Critical
Publication of GB2275922B publication Critical patent/GB2275922B/en
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
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/121—Multistep treatment
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • C02F3/025—Biological purification using sources of oxygen other than air, oxygen or ozone
    • 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
    • C02F3/26—Activated sludge processes 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
    • C02F3/28—Anaerobic digestion processes
    • C02F3/2806—Anaerobic processes using solid supports for microorganisms
    • 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
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • 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
GB9404697A 1993-03-11 1994-03-11 Bifilm process and plant Expired - Fee Related GB2275922B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9305022A GB9305022D0 (en) 1993-03-11 1993-03-11 Bifilm process and plant

Publications (3)

Publication Number Publication Date
GB9404697D0 GB9404697D0 (en) 1994-04-27
GB2275922A GB2275922A (en) 1994-09-14
GB2275922B true GB2275922B (en) 1997-09-10

Family

ID=10731888

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9305022A Pending GB9305022D0 (en) 1993-03-11 1993-03-11 Bifilm process and plant
GB9404697A Expired - Fee Related GB2275922B (en) 1993-03-11 1994-03-11 Bifilm process and plant

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9305022A Pending GB9305022D0 (en) 1993-03-11 1993-03-11 Bifilm process and plant

Country Status (2)

Country Link
GB (2) GB9305022D0 (en)
HK (1) HK1014530A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5306422A (en) * 1988-09-07 1994-04-26 Lenox Institute Of Water Technology, Inc. Compact clarifier system for municipal waste water treatment
CA2146062A1 (en) * 1995-03-31 1996-10-01 Huazhong Mao A biological method of waste water treatment
CA2784620C (en) * 2009-12-18 2014-07-08 Veolia Water Solutions & Technologies Support Method of treating wastewater and producing an activated sludge having a high biopolymer production potential

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1409088A (en) * 1972-12-19 1975-10-08 Ames Crosta Ltd Surface-aeration plant
US3965009A (en) * 1973-08-23 1976-06-22 Kaelin J R Apparatus for biological purification of an effluent
GB1496069A (en) * 1974-11-18 1977-12-21 Kaelin J R Method for the biological purification of effluent and the plant for carrying out the process
EP0025597A1 (en) * 1979-09-12 1981-03-25 August Dr. Ing. Schreiber Process and plant for the activated-sludge purification of waste water
GB2075547A (en) * 1980-05-02 1981-11-18 Mckeown Jarvie Apparatus for cultivating micro organisms
EP0071960A2 (en) * 1981-08-03 1983-02-16 Passavant-Werke Ag Plant and process for the biological purification of waste water
US4416780A (en) * 1977-12-16 1983-11-22 Hoechst Aktiengesellschaft Method to upgrade sewage treatment plants overloaded in continuous operation
WO1984001363A1 (en) * 1982-09-28 1984-04-12 Ww Eng As A method and a system for decomposing organic waste material by bacterial action so as to generate combustible gas
GB2198123A (en) * 1986-11-22 1988-06-08 Ashbrook Simon Hartley Inc A method of and apparatus for treating waste water
WO1990001465A1 (en) * 1988-08-08 1990-02-22 Alko Ltd. A process for the microbiological purification of water and a microorganism for use in said process
GB2239192A (en) * 1989-12-19 1991-06-26 Edward Andrew Seymour Filter bed

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1409088A (en) * 1972-12-19 1975-10-08 Ames Crosta Ltd Surface-aeration plant
US3965009A (en) * 1973-08-23 1976-06-22 Kaelin J R Apparatus for biological purification of an effluent
GB1496069A (en) * 1974-11-18 1977-12-21 Kaelin J R Method for the biological purification of effluent and the plant for carrying out the process
US4416780A (en) * 1977-12-16 1983-11-22 Hoechst Aktiengesellschaft Method to upgrade sewage treatment plants overloaded in continuous operation
EP0025597A1 (en) * 1979-09-12 1981-03-25 August Dr. Ing. Schreiber Process and plant for the activated-sludge purification of waste water
GB2075547A (en) * 1980-05-02 1981-11-18 Mckeown Jarvie Apparatus for cultivating micro organisms
EP0071960A2 (en) * 1981-08-03 1983-02-16 Passavant-Werke Ag Plant and process for the biological purification of waste water
WO1984001363A1 (en) * 1982-09-28 1984-04-12 Ww Eng As A method and a system for decomposing organic waste material by bacterial action so as to generate combustible gas
GB2198123A (en) * 1986-11-22 1988-06-08 Ashbrook Simon Hartley Inc A method of and apparatus for treating waste water
WO1990001465A1 (en) * 1988-08-08 1990-02-22 Alko Ltd. A process for the microbiological purification of water and a microorganism for use in said process
GB2239192A (en) * 1989-12-19 1991-06-26 Edward Andrew Seymour Filter bed

Also Published As

Publication number Publication date
GB9305022D0 (en) 1993-04-28
GB9404697D0 (en) 1994-04-27
GB2275922A (en) 1994-09-14
HK1014530A1 (en) 1999-09-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060311