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GB2322128B - Mixed coagulants - Google Patents

Mixed coagulants

Info

Publication number
GB2322128B
GB2322128B GB9703373A GB9703373A GB2322128B GB 2322128 B GB2322128 B GB 2322128B GB 9703373 A GB9703373 A GB 9703373A GB 9703373 A GB9703373 A GB 9703373A GB 2322128 B GB2322128 B GB 2322128B
Authority
GB
United Kingdom
Prior art keywords
coagulants
mixed
mixed coagulants
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
GB9703373A
Other versions
GB2322128A (en
GB9703373D0 (en
Inventor
Santos Peru Sasia
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.)
Acideka S A
Original Assignee
Acideka S A
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 Acideka S A filed Critical Acideka S A
Priority to GB9703373A priority Critical patent/GB2322128B/en
Priority to FR9702471A priority patent/FR2760002B1/en
Publication of GB9703373D0 publication Critical patent/GB9703373D0/en
Publication of GB2322128A publication Critical patent/GB2322128A/en
Application granted granted Critical
Publication of GB2322128B publication Critical patent/GB2322128B/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
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
GB9703373A 1997-02-18 1997-02-18 Mixed coagulants Expired - Fee Related GB2322128B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9703373A GB2322128B (en) 1997-02-18 1997-02-18 Mixed coagulants
FR9702471A FR2760002B1 (en) 1997-02-18 1997-02-25 METHOD FOR MANUFACTURING MIXED COAGULANTS FOR CLARIFYING WATER, MIXED COAGULANTS OBTAINED BY THIS PROCESS AND METHOD FOR CLARIFYING WATER WITH SAID MIXED COAGULANTS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9703373A GB2322128B (en) 1997-02-18 1997-02-18 Mixed coagulants
FR9702471A FR2760002B1 (en) 1997-02-18 1997-02-25 METHOD FOR MANUFACTURING MIXED COAGULANTS FOR CLARIFYING WATER, MIXED COAGULANTS OBTAINED BY THIS PROCESS AND METHOD FOR CLARIFYING WATER WITH SAID MIXED COAGULANTS

Publications (3)

Publication Number Publication Date
GB9703373D0 GB9703373D0 (en) 1997-04-09
GB2322128A GB2322128A (en) 1998-08-19
GB2322128B true GB2322128B (en) 2001-08-15

Family

ID=26233359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9703373A Expired - Fee Related GB2322128B (en) 1997-02-18 1997-02-18 Mixed coagulants

Country Status (2)

Country Link
FR (1) FR2760002B1 (en)
GB (1) GB2322128B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018042052A1 (en) * 2016-09-05 2018-03-08 Kemira Oyj An aluminium sulphate polymer coagulant, a production method and uses thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915904A (en) * 1972-08-25 1975-10-28 Betz Laboratories Water-soluble cationic polymeric materials and their use
GB1512022A (en) * 1976-08-05 1978-05-24 Hemlab Ag Flocculating agents for water treatment
US4425238A (en) * 1981-03-25 1984-01-10 Basf Aktiengesellschaft Removal of anionic compounds from water
EP0145686A2 (en) * 1983-12-09 1985-06-19 Olof Carlsson A flocculating agent and a process for its production
EP0268158A1 (en) * 1986-11-06 1988-05-25 Nalco Chemical Company Water clarification process and composition and method therefore
US5294352A (en) * 1985-06-27 1994-03-15 Waldmann John J Compositions for the detackification of paint spray booth water and waste water
WO1998021271A1 (en) * 1996-11-15 1998-05-22 Betzdearborn Inc. Aqueous dispersion polymers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642619A (en) * 1970-08-31 1972-02-15 Calgon Corp Conditioning sewage waste sludges for dewatering
US4746457A (en) * 1987-03-05 1988-05-24 Calgon Corporation Flocculation of suspended solids from aqueous solutions
FI923315A (en) * 1992-07-21 1994-01-22 Kemira Oy FOERFARANDE FOER FOERBAETTRANDE AV AVLAPPSVATTENSLAMMENS VATTENAVSKILJNINGSFOERMAOGA

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915904A (en) * 1972-08-25 1975-10-28 Betz Laboratories Water-soluble cationic polymeric materials and their use
US3953330A (en) * 1972-08-25 1976-04-27 Betz Laboratories, Inc. Water-soluble cationic polymeric materials and their use
GB1512022A (en) * 1976-08-05 1978-05-24 Hemlab Ag Flocculating agents for water treatment
US4425238A (en) * 1981-03-25 1984-01-10 Basf Aktiengesellschaft Removal of anionic compounds from water
EP0145686A2 (en) * 1983-12-09 1985-06-19 Olof Carlsson A flocculating agent and a process for its production
US5294352A (en) * 1985-06-27 1994-03-15 Waldmann John J Compositions for the detackification of paint spray booth water and waste water
EP0268158A1 (en) * 1986-11-06 1988-05-25 Nalco Chemical Company Water clarification process and composition and method therefore
WO1998021271A1 (en) * 1996-11-15 1998-05-22 Betzdearborn Inc. Aqueous dispersion polymers

Also Published As

Publication number Publication date
FR2760002A1 (en) 1998-08-28
GB2322128A (en) 1998-08-19
GB9703373D0 (en) 1997-04-09
FR2760002B1 (en) 1999-04-16

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Legal Events

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

Effective date: 20060218