IT1090037B - IMPROVEMENT IN CLARIFICATION PROCEDURES FOR NATURAL WATERS NOT TREATED - Google Patents

IMPROVEMENT IN CLARIFICATION PROCEDURES FOR NATURAL WATERS NOT TREATED

Info

Publication number: IT1090037B
Authority: IT; Italy
Prior art keywords: treated; improvement; natural waters; clarification procedures; clarification
Prior art date: 1976-10-26

Application number

IT5142277A

Other languages

Italian (it)

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

1977-10-14

Publication date

1985-06-18

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

1977-10-14 Application filed by American Cyanamid Co filed Critical American Cyanamid Co

1985-06-18 Application granted granted Critical

1985-06-18 Publication of IT1090037B publication Critical patent/IT1090037B/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)
Environmental & Geological Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Water Supply & Treatment (AREA)
Engineering & Computer Science (AREA)
Hydrology & Water Resources (AREA)
General Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

IT5142277A 1976-10-26 1977-10-14 IMPROVEMENT IN CLARIFICATION PROCEDURES FOR NATURAL WATERS NOT TREATED IT1090037B (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
IT1090037B true IT1090037B (en)	1985-06-18

Family

ID=27112915

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT5142277A IT1090037B (en)	1976-10-26	1977-10-14	IMPROVEMENT IN CLARIFICATION PROCEDURES FOR NATURAL WATERS NOT TREATED

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 ES ES463547A patent/ES463547A1/en not_active Expired
- 1977-10-26 NL NL7711749A patent/NL7711749A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
GB1588342A (en)	1981-04-23
AU2887177A (en)	1979-03-22
CA1085522A (en)	1980-09-09
NL7711749A (en)	1978-04-28
ES463547A1 (en)	1979-10-16
DE2746102A1 (en)	1978-04-27
BR7707091A (en)	1978-08-01
AU515197B2 (en)	1981-03-19
JPS5389255A (en)	1978-08-05
FR2369215A1 (en)	1978-05-26

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