IT8648291A0 - Miscele di polimeri d'addizione vinilici impiegabili come agenti di flocculazione e di disidratazione - Google Patents

Miscele di polimeri d'addizione vinilici impiegabili come agenti di flocculazione e di disidratazione

Info

Publication number
IT8648291A0
IT8648291A0 IT8648291A IT4829186A IT8648291A0 IT 8648291 A0 IT8648291 A0 IT 8648291A0 IT 8648291 A IT8648291 A IT 8648291A IT 4829186 A IT4829186 A IT 4829186A IT 8648291 A0 IT8648291 A0 IT 8648291A0
Authority
IT
Italy
Prior art keywords
flocculation
mixtures
addition polymers
vinyl addition
polymers usable
Prior art date
Application number
IT8648291A
Other languages
English (en)
Other versions
IT1214695B (it
Inventor
Danner Bernard
Chavamnes Jean Pierre
Fanger Siegfried
Original Assignee
Sandoz Ag
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 Sandoz Ag filed Critical Sandoz Ag
Publication of IT8648291A0 publication Critical patent/IT8648291A0/it
Application granted granted Critical
Publication of IT1214695B publication Critical patent/IT1214695B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/24—Homopolymers or copolymers of amides or imides
    • C08L33/26—Homopolymers or copolymers of acrylamide or methacrylamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT8648291A 1985-07-31 1986-07-23 Miscele di polimeri d'addizione vinilici impiegabili come agenti di flocculazione e di disidratazione IT1214695B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3527408 1985-07-31

Publications (2)

Publication Number Publication Date
IT8648291A0 true IT8648291A0 (it) 1986-07-23
IT1214695B IT1214695B (it) 1990-01-18

Family

ID=6277265

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8648291A IT1214695B (it) 1985-07-31 1986-07-23 Miscele di polimeri d'addizione vinilici impiegabili come agenti di flocculazione e di disidratazione

Country Status (5)

Country Link
JP (1) JPS6232141A (it)
CH (1) CH669202A5 (it)
FR (1) FR2585712B1 (it)
GB (1) GB2178432B (it)
IT (1) IT1214695B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0020862D0 (en) 2000-08-25 2000-10-11 Ciba Spec Chem Water Treat Ltd Polymeric compositions for dewatering sewage sludges
JP4126931B2 (ja) * 2002-02-28 2008-07-30 東亞合成株式会社 高分子凝集剤及び汚泥の脱水方法
GB2431862A (en) * 2005-11-03 2007-05-09 Ronald Alexander Young Cleaning a surface with degreasing and flocculating agents

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055827A (en) * 1958-06-16 1962-09-25 Dow Chemical Co Separation of suspended solids
US3994806A (en) * 1972-03-08 1976-11-30 Calgon Corporation Composition and method for flocculating suspended solids
JPS5559806A (en) * 1978-10-27 1980-05-06 Sanyo Chem Ind Ltd Cationic high molecular flocculant and flocculating method
US4409110A (en) * 1981-01-06 1983-10-11 Halliburton Company Enhanced oil displacement processes and compositions
CH660015A5 (de) * 1982-02-01 1987-03-13 Sandoz Ag Polymerisat- und tensidhaltige praeparate, deren herstellung und verwendung.
US4588508A (en) * 1984-11-13 1986-05-13 Nalco Cehmical Company Bimodal cationics for water clarification

Also Published As

Publication number Publication date
CH669202A5 (de) 1989-02-28
JPS6232141A (ja) 1987-02-12
GB8618346D0 (en) 1986-09-03
FR2585712B1 (fr) 1989-11-24
IT1214695B (it) 1990-01-18
GB2178432B (en) 1988-09-01
GB2178432A (en) 1987-02-11
FR2585712A1 (fr) 1987-02-06

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950719