FR2471391B1 - - Google Patents

Info

Publication number
FR2471391B1
FR2471391B1 FR7930711A FR7930711A FR2471391B1 FR 2471391 B1 FR2471391 B1 FR 2471391B1 FR 7930711 A FR7930711 A FR 7930711A FR 7930711 A FR7930711 A FR 7930711A FR 2471391 B1 FR2471391 B1 FR 2471391B1
Authority
FR
France
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
FR7930711A
Other languages
French (fr)
Other versions
FR2471391A1 (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
Priority to FR7930711A priority Critical patent/FR2471391A1/en
Priority to US06/213,695 priority patent/US4396752A/en
Priority to GB8039304A priority patent/GB2065675B/en
Priority to SE8008658A priority patent/SE449226B/en
Priority to FI803859A priority patent/FI67870C/en
Priority to DE19803046978 priority patent/DE3046978A1/en
Publication of FR2471391A1 publication Critical patent/FR2471391A1/en
Application granted granted Critical
Publication of FR2471391B1 publication Critical patent/FR2471391B1/fr
Granted 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)
FR7930711A 1977-05-16 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 Granted FR2471391A1 (en)

Priority Applications (6)

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
US06/213,695 US4396752A (en) 1977-05-16 1980-12-05 Strong cationic polyelectrolytes in powder form based on acrylamide and quaternized or salified dimethylaminoethyl acrylate for flocculation of solid material suspensions and coalescence of emulsions
GB8039304A GB2065675B (en) 1979-12-14 1980-12-08 Cationic polyelectrolytes in powder form
SE8008658A SE449226B (en) 1979-12-14 1980-12-10 Powdered cationic polylectrolytes based on acrylamide and its use for coalescence and flocculation
FI803859A FI67870C (en) 1979-12-14 1980-12-11 PULVERFORMED STARKA CATIONIC POLYELEKTROLYTER PAO BASEN AV ACRYLAMID OCH DIMETHYLAMINOETHYLACRYLATE I FORM AV ETT QUATERNAERT AMMONIUMSALT ELLER ETT SYRAADDITIONSSALT SAMT POLYELEKTROLYTERNAS AVAENDNING FVA
DE19803046978 DE3046978A1 (en) 1979-12-14 1980-12-12 CATIONIC POLYELECTROLYTE AND THEIR USE

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
FR2471391A1 FR2471391A1 (en) 1981-06-19
FR2471391B1 true FR2471391B1 (en) 1984-06-29

Family

ID=9232786

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7930711A Granted FR2471391A1 (en) 1977-05-16 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

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
GB2065675B (en) 1983-09-01
GB2065675A (en) 1981-07-01
FI803859L (en) 1981-06-15
SE8008658L (en) 1981-06-15
FI67870B (en) 1985-02-28
FI67870C (en) 1985-06-10
DE3046978A1 (en) 1981-09-17
FR2471391A1 (en) 1981-06-19
SE449226B (en) 1987-04-13

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Legal Events

Date Code Title Description
CL Concession to grant licenses
CA Change of address
CL Concession to grant licenses
TP Transmission of property