GB2065675B - Cationic polyelectrolytes in powder form - Google Patents

Cationic polyelectrolytes in powder form

Info

Publication number
GB2065675B
GB2065675B GB8039304A GB8039304A GB2065675B GB 2065675 B GB2065675 B GB 2065675B GB 8039304 A GB8039304 A GB 8039304A GB 8039304 A GB8039304 A GB 8039304A GB 2065675 B GB2065675 B GB 2065675B
Authority
GB
United Kingdom
Prior art keywords
powder form
cationic polyelectrolytes
polyelectrolytes
cationic
powder
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
GB8039304A
Other versions
GB2065675A (en
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.)
Sanofi Aventis France
Original Assignee
Francaise Hoechst Ste
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 Francaise Hoechst Ste filed Critical Francaise Hoechst Ste
Publication of GB2065675A publication Critical patent/GB2065675A/en
Application granted granted Critical
Publication of GB2065675B publication Critical patent/GB2065675B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/047—Breaking emulsions with separation aids
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
GB8039304A 1979-12-14 1980-12-08 Cationic polyelectrolytes in powder form Expired GB2065675B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7930711A FR2471391A1 (en) 1979-12-14 1979-12-14 STRONG CATIONIC POLYELECTROLYTES IN POWDER BASED ON ACRYLAMIDE AND QUATERNIZED OR SALIED DIMETHYLAMINOETHYL ACRYLATE AND THEIR USE FOR FLOCCULATION OF SUSPENSION OF SOLIDS AND COALESCENCE OF EMULSIONS

Publications (2)

Publication Number Publication Date
GB2065675A GB2065675A (en) 1981-07-01
GB2065675B true GB2065675B (en) 1983-09-01

Family

ID=9232786

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8039304A Expired GB2065675B (en) 1979-12-14 1980-12-08 Cationic polyelectrolytes in powder form

Country Status (5)

Country Link
DE (1) DE3046978A1 (en)
FI (1) FI67870C (en)
FR (1) FR2471391A1 (en)
GB (1) GB2065675B (en)
SE (1) SE449226B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3544909A1 (en) * 1985-12-19 1987-06-25 Stockhausen Chem Fab Gmbh ACRYLAMIDE AND DIMETHYLAMINOPROPYLACRYLAMIDE COPOLYMERS AS FLOCCANTS AND METHOD FOR THE DRAINAGE OF CLARIFYING SLUDGE USING THESE FLOCCANTS
DE10240797A1 (en) 2002-08-30 2004-03-11 Stockhausen Gmbh & Co. Kg Cationic polyelectrolytes with good environmental compatibility
CN114524904B (en) * 2022-04-21 2022-07-08 东营市北陆生物科技有限公司 Flocculating agent for landfill leachate and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1279108A (en) * 1968-12-06 1972-06-28 Atlas Chem Ind Water-soluble nitrogen-containing vinyl polymers of high molecular weight
GB1388399A (en) * 1971-11-30 1975-03-26 Ici Ltd Dewatering of sludges
GB1510689A (en) * 1974-12-19 1978-05-10 Sumitomo Chemical Co Preparation of water-soluble cationic high polymer
JPS5916563B2 (en) * 1976-11-04 1984-04-16 日東化学工業株式会社 Production method of water-soluble cationic polymer
FR2390983A1 (en) * 1977-05-16 1978-12-15 Hoechst France CATIONIC POLYELECTROLYTES IN POWDER BASED ON ACRYLAMIDE AND QUATERNIZED OR SALIFIED DIMETHYL-AMINOETHYL ACRYLATE, THEIR PROCESS FOR OBTAINING AND THEIR USE

Also Published As

Publication number Publication date
SE449226B (en) 1987-04-13
GB2065675A (en) 1981-07-01
FI803859L (en) 1981-06-15
DE3046978A1 (en) 1981-09-17
FR2471391A1 (en) 1981-06-19
FR2471391B1 (en) 1984-06-29
SE8008658L (en) 1981-06-15
FI67870B (en) 1985-02-28
FI67870C (en) 1985-06-10

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20001207