GB9004617D0 - Water treatment - Google Patents

Water treatment

Info

Publication number: GB9004617D0
Authority: GB; United Kingdom
Prior art keywords: water treatment; treatment; water
Prior art date: 1990-03-01
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.): Pending

Application number

GB909004617A

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.)

Snow Frederick & Partners

North West Water Ltd

Original Assignee

Snow Frederick & Partners

North West Water 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.)

1990-03-01

Filing date

1990-03-01

Publication date

1990-04-25

1990-03-01 Application filed by Snow Frederick & Partners, North West Water Ltd filed Critical Snow Frederick & Partners

1990-03-01 Priority to GB909004617A priority Critical patent/GB9004617D0/en

1990-04-25 Publication of GB9004617D0 publication Critical patent/GB9004617D0/en

1991-02-26 Priority to PCT/GB1991/000298 priority patent/WO1991013031A1/en

1991-02-26 Priority to AU74437/91A priority patent/AU7443791A/en

Status Pending 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/685—Devices for dosing the additives
- C02F1/686—Devices for dosing liquid additives
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
- C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Hydrology & Water Resources (AREA)
Life Sciences & Earth Sciences (AREA)
Health & Medical Sciences (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Automation & Control Theory (AREA)
Clinical Laboratory Science (AREA)
Medicinal Chemistry (AREA)
Treatment Of Water By Oxidation Or Reduction (AREA)

GB909004617A 1990-03-01 1990-03-01 Water treatment Pending GB9004617D0 (en)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
GB909004617A GB9004617D0 (en)	1990-03-01	1990-03-01	Water treatment
PCT/GB1991/000298 WO1991013031A1 (en)	1990-03-01	1991-02-26	Water treatment
AU74437/91A AU7443791A (en)	1990-03-01	1991-02-26	Water treatment

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB909004617A GB9004617D0 (en)	1990-03-01	1990-03-01	Water treatment

Publications (1)

Publication Number	Publication Date
GB9004617D0 true GB9004617D0 (en)	1990-04-25

Family

ID=10671839

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB909004617A Pending GB9004617D0 (en)	1990-03-01	1990-03-01	Water treatment

Country Status (3)

Country	Link
AU (1)	AU7443791A (en)
GB (1)	GB9004617D0 (en)
WO (1)	WO1991013031A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2724240A1 (en) *	1994-09-05	1996-03-08	Moure Alain Pierre	Process permitting injection of substance into liquid in interior of circuit, esp. fire protection circuit
GB2331742B (en) *	1997-11-28	2002-07-17	South Staffordshire Water Plc	Monitoring the addition of a liquid agent to another liquid
EP2703360A1 (en) *	2012-09-03	2014-03-05	Siemens Aktiengesellschaft	Process and device for the purification of water
CN104090597B (en) *	2014-07-22	2016-04-13	长沙思辰仪器科技有限公司	A kind of intelligent pH TT&C system and pH investigating method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2445540A (en) *	1945-06-14	1948-07-20	Smillie George	Apparatus for injecting liquid chemicals into a flowing stream
JPS52762B2 (en) *	1973-05-14	1977-01-10
FR2467823A1 (en) *	1979-10-17	1981-04-30	Degremont Sa	Packaged unit to disinfect drinking water esp. on trains - using solenoid valve for automatic dosing with chlorine ion soln.
JPS59156946A (en) *	1983-02-22	1984-09-06	三興コロイド化学株式会社	Quick hardening agent for spray concrete
JPS61227960A (en) *	1985-04-03	1986-10-11	電気化学工業株式会社	Method of mending salt-injuried matter
US4818412A (en) *	1986-04-01	1989-04-04	Betz Laboratories, Inc.	Apparatus and process for feeding hypochlorite solution
JP2503233B2 (en) *	1987-08-17	1996-06-05	電気化学工業株式会社	Quick-setting material for spraying

1990
- 1990-03-01 GB GB909004617A patent/GB9004617D0/en active Pending
1991
- 1991-02-26 WO PCT/GB1991/000298 patent/WO1991013031A1/en not_active Ceased
- 1991-02-26 AU AU74437/91A patent/AU7443791A/en not_active Abandoned

Also Published As

Publication number	Publication date
AU7443791A (en)	1991-09-18
WO1991013031A1 (en)	1991-09-05

Publication	Publication Date	Title
GB2256649B (en)	1995-03-22	Water treatment
GB2298196B (en)	1998-02-25	Water treatment
GB8901622D0 (en)	1989-03-15	Water treatment
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GB8908742D0 (en)	1989-06-07	Water treatment
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GB8904191D0 (en)	1989-04-05	Water treatment
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ZW5689A1 (en)	1990-06-13	Water treatment composition
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PL285807A1 (en)	1991-02-11	Water treatment method
ZA911972B (en)	1992-01-29	Pool water treatment
GB9015677D0 (en)	1990-09-05	Waste water treatment
GB9012582D0 (en)	1990-07-25	Water treatment apparatus
GB9010964D0 (en)	1990-07-04	Water treatment apparatus
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