ZA863793B - Water treatment - Google Patents

Water treatment

Info

Publication number
ZA863793B
ZA863793B ZA863793A ZA863793A ZA863793B ZA 863793 B ZA863793 B ZA 863793B ZA 863793 A ZA863793 A ZA 863793A ZA 863793 A ZA863793 A ZA 863793A ZA 863793 B ZA863793 B ZA 863793B
Authority
ZA
South Africa
Prior art keywords
water treatment
treatment
water
Prior art date
Application number
ZA863793A
Other languages
English (en)
Inventor
George Mcgrow
Original Assignee
Allied Colloids 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10579518&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA863793(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd
Publication of ZA863793B publication Critical patent/ZA863793B/xx

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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
ZA863793A 1985-05-22 1986-05-21 Water treatment ZA863793B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858512937A GB8512937D0 (en) 1985-05-22 1985-05-22 Water treatment

Publications (1)

Publication Number Publication Date
ZA863793B true ZA863793B (en) 1987-07-29

Family

ID=10579518

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA863793A ZA863793B (en) 1985-05-22 1986-05-21 Water treatment

Country Status (8)

Country Link
US (1) US4721574A (de)
EP (1) EP0203761B1 (de)
JP (1) JPS6219213A (de)
AU (1) AU593250B2 (de)
CA (1) CA1281442C (de)
DE (1) DE3671003D1 (de)
GB (1) GB8512937D0 (de)
ZA (1) ZA863793B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8531118D0 (en) * 1985-12-18 1986-01-29 Allied Colloids Ltd Copolymers
DE3544909A1 (de) * 1985-12-19 1987-06-25 Stockhausen Chem Fab Gmbh Copolymere aus acrylamid und dimethylaminopropylacrylamid als flockungsmittel und verfahren zum entwaessern von klaerschlaemmen unter verwendung dieser flockungsmittel
CA1335022C (en) * 1987-07-30 1995-03-28 Tsuruyoshi Matsumoto Cladding material for optical fiber
DE3909005A1 (de) * 1989-03-18 1990-09-20 Basf Ag Verwendung von nicht hydrolysierten n-vinylformamid-einheiten enthaltenden copolymerisaten als flockungs- und entwaesserungsmittel
JP2960261B2 (ja) * 1992-07-04 1999-10-06 三洋化成工業株式会社 汚泥脱水剤
US5380444A (en) * 1994-02-23 1995-01-10 Cytec Technology Corp. Ampholytic polymers and polymeric microemulsions
US5708071A (en) * 1994-12-15 1998-01-13 Hymo Corporation Aqueous dispersion of an amphoteric water-soluble polymer, a method of manufacturing the same, and a treating agent comprising the same
US5772894A (en) * 1996-07-17 1998-06-30 Nalco Chemical Company Derivatized rhodamine dye and its copolymers
US20100006511A1 (en) * 2008-07-11 2010-01-14 Walterick Jr Gerald C Treatment additives and methods for treating an aqueous medium

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3409547A (en) * 1965-11-16 1968-11-05 Nalco Chemical Co Water clarification process
US3897333A (en) * 1971-02-24 1975-07-29 Allied Colloids Mfg Flocculating agents
US3738945A (en) * 1972-02-04 1973-06-12 H Panzer Polyquaternary flocculants
JPS4921952A (de) * 1972-06-19 1974-02-26
NL7309742A (de) * 1972-07-24 1974-01-28
US4098693A (en) * 1973-08-31 1978-07-04 Betz Laboratories, Inc. Cationic chlorine-resistant polymeric flocculants and their use
US3989143A (en) * 1974-07-15 1976-11-02 Nalco Chemical Company Upper strata chlorination of upper sections of clarifiers
DE2503169B1 (de) * 1975-01-27 1976-06-16 Bayer Ag Abwasser-entfaerbungsverfahren
CH599389B5 (de) * 1975-12-23 1978-05-31 Ciba Geigy Ag
CA1085522A (en) * 1976-10-26 1980-09-09 American Cyanamid Company Process for clarifying raw water
US4137165A (en) * 1976-10-26 1979-01-30 American Cyanamid Company Process for clarifying raw water
US4160731A (en) * 1978-04-18 1979-07-10 American Cyanamid Company Process for dewatering sewage sludges disinfected with lime
EP0038573B1 (de) * 1978-12-27 1985-09-04 Chemische Fabrik Stockhausen GmbH Polymerisate von alpha,beta-ungesättigten N-substituierten Carbonsäureamiden und ihre Verwendung als Sedimentations-, Flockungs-, Entwässerungs- und Retentionshilfsmittel

Also Published As

Publication number Publication date
AU5759286A (en) 1986-11-27
GB8512937D0 (en) 1985-06-26
US4721574A (en) 1988-01-26
EP0203761A2 (de) 1986-12-03
JPS6219213A (ja) 1987-01-28
EP0203761B1 (de) 1990-05-09
AU593250B2 (en) 1990-02-08
CA1281442C (en) 1991-03-12
EP0203761A3 (en) 1988-06-08
DE3671003D1 (de) 1990-06-13

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