ES8100226A1 - Detoxification of Cationic Flocculants - Google Patents

Detoxification of Cationic Flocculants

Info

Publication number
ES8100226A1
ES8100226A1 ES79485286A ES485286A ES8100226A1 ES 8100226 A1 ES8100226 A1 ES 8100226A1 ES 79485286 A ES79485286 A ES 79485286A ES 485286 A ES485286 A ES 485286A ES 8100226 A1 ES8100226 A1 ES 8100226A1
Authority
ES
Spain
Prior art keywords
detoxification
cationic flocculants
flocculants
treated
cationic
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
ES79485286A
Other languages
Spanish (es)
Other versions
ES485286A0 (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.)
Chemed Corp
Original Assignee
Chemed Corp
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 Chemed Corp filed Critical Chemed Corp
Publication of ES8100226A1 publication Critical patent/ES8100226A1/en
Publication of ES485286A0 publication Critical patent/ES485286A0/en
Granted legal-status Critical Current

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)
  • Removal Of Specific Substances (AREA)

Abstract

Waters which have been treated with polymeric cationic flocculants for settling and clarification and which contain residual amounts of such flocculants which are toxic, are treated with anionic polymers or salts of organic acids to remove this toxicity.
ES485286A 1978-10-23 1979-10-23 PROCEDURE TO REDUCE THE TOXICITY OF WATER CONTAMINATED WITH WASTE WATER Granted ES485286A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000313928A CA1116324A (en) 1978-10-23 1978-10-23 Detoxification of cationic flocculants

Publications (2)

Publication Number Publication Date
ES8100226A1 true ES8100226A1 (en) 1980-11-01
ES485286A0 ES485286A0 (en) 1980-11-01

Family

ID=4112664

Family Applications (1)

Application Number Title Priority Date Filing Date
ES485286A Granted ES485286A0 (en) 1978-10-23 1979-10-23 PROCEDURE TO REDUCE THE TOXICITY OF WATER CONTAMINATED WITH WASTE WATER

Country Status (8)

Country Link
JP (1) JPS55104691A (en)
CA (1) CA1116324A (en)
DE (1) DE2942111A1 (en)
ES (1) ES485286A0 (en)
FR (1) FR2439748A1 (en)
GB (1) GB2032905B (en)
IT (1) IT1125552B (en)
SE (1) SE7908732L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58216575A (en) * 1983-04-20 1983-12-16 鹿島建設株式会社 Storage device for powdered and granular body
GB9507895D0 (en) * 1995-04-18 1995-05-31 Allied Colloids Ltd Aqueous purification processes
US6620330B2 (en) * 2001-12-18 2003-09-16 Baker Hughes Incorporated Detoxification of quaternary onium compounds with polycarboxylate-containing compound
CN104925929B (en) * 2015-05-19 2016-12-07 河南正佳能源环保股份有限公司 A kind of composite flocculation agent for treatment of dyeing wastewater

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179098B (en) * 1961-05-03 1964-10-01 Basf Ag Flotation agent for clarifying waste water containing paper fibers
NL282787A (en) * 1961-09-05 1900-01-01
US3377274A (en) * 1965-01-05 1968-04-09 Nalco Chemical Co Method of coagulation of low turbidity water
DE2451776A1 (en) * 1973-11-08 1975-05-15 Ciba Geigy Ag Removal of cationic substances from effluent - using a suitably treated cellulose material opt. contg. active carbon

Also Published As

Publication number Publication date
DE2942111A1 (en) 1980-04-30
IT1125552B (en) 1986-05-14
FR2439748A1 (en) 1980-05-23
FR2439748B1 (en) 1984-04-20
SE7908732L (en) 1980-04-24
GB2032905B (en) 1983-01-06
IT7926697A0 (en) 1979-10-22
JPS55104691A (en) 1980-08-11
ES485286A0 (en) 1980-11-01
CA1116324A (en) 1982-01-12
GB2032905A (en) 1980-05-14

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