GB8813929D0 - Purification of waters - Google Patents

Purification of waters

Info

Publication number: GB8813929D0
Authority: GB; United Kingdom
Prior art keywords: waters; purification
Prior art date: 1987-06-25
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.): Granted

Application number

GB888813929A

Other versions

GB2208164A (en

GB2208164B (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.)

Evonik LIL Ltd

Original Assignee

Laporte Industries 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.)

1987-06-25

Filing date

1988-06-13

Publication date

1988-07-20

1988-06-13 Application filed by Laporte Industries Ltd filed Critical Laporte Industries Ltd

1988-07-20 Publication of GB8813929D0 publication Critical patent/GB8813929D0/en

1989-03-08 Publication of GB2208164A publication Critical patent/GB2208164A/en

1991-04-24 Application granted granted Critical

1991-04-24 Publication of GB2208164B publication Critical patent/GB2208164B/en

Status Expired legal-status Critical Current

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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Organic Chemistry (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)

GB8813929A 1987-06-25 1988-06-13 Purification of water using a flocculating agent Expired GB2208164B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB878715155A GB8715155D0 (en)	1987-06-25	1987-06-25	Purification of waters

Publications (3)

Publication Number	Publication Date
GB8813929D0 true GB8813929D0 (en)	1988-07-20
GB2208164A GB2208164A (en)	1989-03-08
GB2208164B GB2208164B (en)	1991-04-24

Family

ID=10619719

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB878715155A Pending GB8715155D0 (en)	1987-06-25	1987-06-25	Purification of waters
GB8813929A Expired GB2208164B (en)	1987-06-25	1988-06-13	Purification of water using a flocculating agent

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB878715155A Pending GB8715155D0 (en)	1987-06-25	1987-06-25	Purification of waters

Country Status (1)

Country	Link
GB (2)	GB8715155D0 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3544476A (en) *	1967-05-09	1970-12-01	Taki Fertilizer Mfg Co Ltd	Coagulant and method for treating aqueous medium comprising a basic metal salt and a multivalent anion
CH519019A (en) *	1968-05-27	1972-02-15	Efa Forschung	Process for separating oil from stable oil-in-water emulsions and system for carrying out the process
IT1054161B (en) *	1973-02-09	1981-11-10	Apothekernes Lab	METHOD TO RECOVER AND STABILIZE FAT AND FAT-BASED SUBSTANCES SUCH AS PROTEINS AND PROTEIN SUBSTANCES FROM PROCESS WATER
JPS5245582A (en) *	1975-10-09	1977-04-11	Tokai Denka Kogyo Kk	Solid-liquid separation method of organic waste fluid sludge
US4125466A (en) *	1976-05-18	1978-11-14	Toyo Soda Manufacturing Co., Ltd.	Treatment of sludge comprising biological aggregate
EP0022475A1 (en) *	1979-07-06	1981-01-21	Allied Corporation	Aqueous basic polyaluminum-iron halide solutions and method of preparing
KR890002277B1 (en) *	1984-07-13	1989-06-27	가부시기가이샤 히다찌세이사꾸쇼	Method for treating waste liquid containing heavy metal chelate compound
JPS61161197A (en) *	1985-01-11	1986-07-21	Kankyo Eng Kk	Treatment of organic waste water

1987
- 1987-06-25 GB GB878715155A patent/GB8715155D0/en active Pending
1988
- 1988-06-13 GB GB8813929A patent/GB2208164B/en not_active Expired

Also Published As

Publication number	Publication date
GB2208164A (en)	1989-03-08
GB8715155D0 (en)	1987-08-05
GB2208164B (en)	1991-04-24

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Legal Events

Date	Code	Title	Description
1994-02-09	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930613