NL7711749A - METHOD FOR THE PURIFICATION OF WASTE WATER. - Google Patents

METHOD FOR THE PURIFICATION OF WASTE WATER.

Info

Publication number: NL7711749A
Authority: NL; Netherlands
Prior art keywords: purification; waste water; waste; water
Prior art date: 1976-10-26

Application number

NL7711749A

Other languages

Dutch (nl)

Original Assignee

American Cyanamid Co

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.)

1976-10-26

Filing date

1977-10-26

Publication date

1978-04-28

1977-05-02 Priority claimed from US05/792,746 external-priority patent/US4137165A/en

1977-10-26 Application filed by American Cyanamid Co filed Critical American Cyanamid Co

1978-04-28 Publication of NL7711749A publication Critical patent/NL7711749A/en

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
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/44—Preparation of metal salts or ammonium salts

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
General Chemical & Material Sciences (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)

NL7711749A 1976-10-26 1977-10-26 METHOD FOR THE PURIFICATION OF WASTE WATER. NL7711749A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US73557776A	1976-10-26	1976-10-26
US05/792,746 US4137165A (en)	1976-10-26	1977-05-02	Process for clarifying raw water

Publications (1)

Publication Number	Publication Date
NL7711749A true NL7711749A (en)	1978-04-28

Family

ID=27112915

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7711749A NL7711749A (en)	1976-10-26	1977-10-26	METHOD FOR THE PURIFICATION OF WASTE WATER.

Country Status (10)

Country	Link
JP (1)	JPS5389255A (en)
AU (1)	AU515197B2 (en)
BR (1)	BR7707091A (en)
CA (1)	CA1085522A (en)
DE (1)	DE2746102A1 (en)
ES (1)	ES463547A1 (en)
FR (1)	FR2369215A1 (en)
GB (1)	GB1588342A (en)
IT (1)	IT1090037B (en)
NL (1)	NL7711749A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8512937D0 (en) *	1985-05-22	1985-06-26	Allied Colloids Ltd	Water treatment
JP2750525B2 (en) *	1988-05-31	1998-05-13	三菱レイヨン株式会社	Method for producing antistatic agent and methacrylic resin composition
US5178774A (en) *	1990-06-29	1993-01-12	Allied Colloids Limited	Purification of aqueous liquor
US5627260A (en) *	1993-02-12	1997-05-06	Cytec Technology Corp.	Quaternized tertiary aminomethyl acrylamide polymer microemulsions with improved performance
CN115784358B (en) *	2022-11-28	2023-07-11	嘉兴沃特泰科环保科技股份有限公司	Floating auxiliary agent for water recovery system and preparation method and application thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB805526A (en) *	1955-12-05	1958-12-10	Dow Chemical Co	Method for clarifying water
US3367918A (en) *	1964-08-04	1968-02-06	Dow Chemical Co	Polymeric amide-secondary dialkyl ammonium salt-paraformaldehyde flocculant composition and method
US3897333A (en) *	1971-02-24	1975-07-29	Allied Colloids Mfg	Flocculating agents

1977
- 1977-09-13 CA CA286,634A patent/CA1085522A/en not_active Expired
- 1977-09-16 AU AU28871/77A patent/AU515197B2/en not_active Expired
- 1977-09-21 GB GB3941277A patent/GB1588342A/en not_active Expired
- 1977-10-13 DE DE19772746102 patent/DE2746102A1/en not_active Withdrawn
- 1977-10-14 IT IT5142277A patent/IT1090037B/en active
- 1977-10-24 FR FR7731980A patent/FR2369215A1/en not_active Withdrawn
- 1977-10-24 BR BR7707091A patent/BR7707091A/en unknown
- 1977-10-25 JP JP12732577A patent/JPS5389255A/en active Pending
- 1977-10-26 NL NL7711749A patent/NL7711749A/en not_active Application Discontinuation
- 1977-10-26 ES ES463547A patent/ES463547A1/en not_active Expired

Also Published As

Publication number	Publication date
GB1588342A (en)	1981-04-23
AU515197B2 (en)	1981-03-19
CA1085522A (en)	1980-09-09
JPS5389255A (en)	1978-08-05
AU2887177A (en)	1979-03-22
DE2746102A1 (en)	1978-04-27
BR7707091A (en)	1978-08-01
IT1090037B (en)	1985-06-18
ES463547A1 (en)	1979-10-16
FR2369215A1 (en)	1978-05-26

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NL7505514A (en)	1975-11-11	METHOD FOR THE PURIFICATION OF WASTE WATER.
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NL189402C (en)	1993-04-01	METHOD FOR PURIFYING WASTE WATER.

Legal Events

Date	Code	Title	Description
1983-06-01	BV	The patent application has lapsed