GB1346596A - Flocculating method - Google Patents

Flocculating method

Info

Publication number
GB1346596A
GB1346596A GB1346596DA GB1346596A GB 1346596 A GB1346596 A GB 1346596A GB 1346596D A GB1346596D A GB 1346596DA GB 1346596 A GB1346596 A GB 1346596A
Authority
GB
United Kingdom
Prior art keywords
baffles
pipe
flocculant
fixed
stream
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
Application number
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.)
Ciba Specialty Chemicals Water Treatments Ltd
Allied Colloids Manufacturing Co Ltd
Original Assignee
Allied Colloids Ltd
Allied Colloids Manufacturing Co 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 Allied Colloids Ltd, Allied Colloids Manufacturing Co Ltd filed Critical Allied Colloids Ltd
Publication of GB1346596A publication Critical patent/GB1346596A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • 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
    • C02F1/5281—Installations for water purification using chemical agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)
  • Colloid Chemistry (AREA)

Abstract

1346596 Mixing in conduits ALLIED COLLOIDS MFG CO Ltd 20 May 1971 [20 May 1970] 24435/70 Heading B1C [Also in Division Cl] A method of flocculating or coagulating comprises passing a stream of liquid suspension containing added high M.W. polymeric flocculant or coagulant through a pipe having a series of baffles fixed internally along its length such that the flocculant or coagulant is rapidly distributed throughout the stream. In Fig. 4 the baffles 4, 5, 6 and 7 are fixed on stem 9 which is slidable so that some of the baffles may be withdrawn into extension 15 of pipe 1 to reduce the number of baffles encountered by the flowing stream entering through inlet 18. The baffles may be fixed to the internal surface of the pipe or fitted within a cage of e.g. four parallel rods. The baffles may be vertical or at angle to the vertical and offset from one another. The baffles may be arranged so that the flow in one part of the pipe is spiral in one direction and in another part of the pipe spiral in the opposite direction. The flocculant may be acrylamide polymers and copolymers, hydrolysed polyacrylonitrile, polystyrene sulphonic acid, salts of polyacrylic and polymethacrylic acid, polyethylene imines, polyethylene oxides, polyamide epichlorohydrin resins, polyacrylates and starches.
GB1346596D 1971-05-20 1971-05-20 Flocculating method Expired GB1346596A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2443570 1971-05-20

Publications (1)

Publication Number Publication Date
GB1346596A true GB1346596A (en) 1974-02-13

Family

ID=10211699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1346596D Expired GB1346596A (en) 1971-05-20 1971-05-20 Flocculating method

Country Status (1)

Country Link
GB (1) GB1346596A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383887A1 (en) * 1977-03-18 1978-10-13 Bono Pierre Installation to purify waste water in continuous flow - through passage into which reagents are injected upstream of static mixers
EP0010337A1 (en) * 1978-10-24 1980-04-30 Serge Godar A plant for gathering and purifying water and waste water
GB2129786A (en) * 1982-10-06 1984-05-23 Cosden Technology Sludge treatment or dewatering process
EP0152666A2 (en) * 1984-02-03 1985-08-28 CONTINENTAL MANUFACTURING & SALES INC. Method and apparatus for the clarification of sewage and other wastes
US4663055A (en) * 1983-12-08 1987-05-05 Boliden Aktiebolag Method and apparatus for distributing water purifying chemicals
WO1993016960A1 (en) * 1990-09-04 1993-09-02 Dunne Patrick F Apparatus for treatment of effluent
USRE36780E (en) * 1988-12-19 2000-07-18 Cytec Technology Corp. Mannich acrylamide polymers
USRE36884E (en) * 1988-12-19 2000-09-26 Cytec Technology Corp. Mannich acrylamide polymers
USRE37037E1 (en) 1988-12-19 2001-01-30 Cytec Technology Corp. Emulsified mannich acrylamide polymers
DE19958668A1 (en) * 1999-08-27 2001-04-19 Fraunhofer Ges Forschung Use of swellable substances as binders for liquid animal excretions and fertilization processes
WO2011069223A1 (en) * 2009-12-08 2011-06-16 Jerry Hanna Water reaction tank
US8062518B2 (en) 2008-06-09 2011-11-22 Clearflow Enviro Systems Group Inc. Water reaction tank

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383887A1 (en) * 1977-03-18 1978-10-13 Bono Pierre Installation to purify waste water in continuous flow - through passage into which reagents are injected upstream of static mixers
EP0010337A1 (en) * 1978-10-24 1980-04-30 Serge Godar A plant for gathering and purifying water and waste water
GB2129786A (en) * 1982-10-06 1984-05-23 Cosden Technology Sludge treatment or dewatering process
US4663055A (en) * 1983-12-08 1987-05-05 Boliden Aktiebolag Method and apparatus for distributing water purifying chemicals
EP0152666A2 (en) * 1984-02-03 1985-08-28 CONTINENTAL MANUFACTURING & SALES INC. Method and apparatus for the clarification of sewage and other wastes
EP0152666A3 (en) * 1984-02-03 1986-05-14 Continental Mfg & Sales Inc Method and apparatus for the clarification of sewage and other wastes
USRE37037E1 (en) 1988-12-19 2001-01-30 Cytec Technology Corp. Emulsified mannich acrylamide polymers
USRE36780E (en) * 1988-12-19 2000-07-18 Cytec Technology Corp. Mannich acrylamide polymers
USRE36884E (en) * 1988-12-19 2000-09-26 Cytec Technology Corp. Mannich acrylamide polymers
WO1993016960A1 (en) * 1990-09-04 1993-09-02 Dunne Patrick F Apparatus for treatment of effluent
DE19958668A1 (en) * 1999-08-27 2001-04-19 Fraunhofer Ges Forschung Use of swellable substances as binders for liquid animal excretions and fertilization processes
US8062518B2 (en) 2008-06-09 2011-11-22 Clearflow Enviro Systems Group Inc. Water reaction tank
US8313655B2 (en) 2008-06-09 2012-11-20 Clearflow Enviro Systems Group Inc. Water reaction tank
WO2011069223A1 (en) * 2009-12-08 2011-06-16 Jerry Hanna Water reaction tank

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Legal Events

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