ATE229476T1 - Mit kohlendioxid behandelte aktivkohle zur stabilisierung des ph-wertes und zur kontrolle des aluminiumgehaltes in behandeltem wasser - Google Patents

Mit kohlendioxid behandelte aktivkohle zur stabilisierung des ph-wertes und zur kontrolle des aluminiumgehaltes in behandeltem wasser

Info

Publication number: ATE229476T1
Authority: AT; Austria
Prior art keywords: carbon; treated; carbon dioxide; stabilizing; water
Prior art date: 1996-02-06

Application number

AT97904250T

Other languages

English (en)

Inventor

Richard W Farmer

Susan L Kovacic

Brett Leslie Pinker

Thomas M Matviya

Netar P Wadha

Original Assignee

Calgon Carbon 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.)

1996-02-06

Filing date

1997-02-06

Publication date

2002-12-15

1996-02-06 Priority claimed from US08/597,115 external-priority patent/US5714433A/en

1997-02-06 Application filed by Calgon Carbon Corp filed Critical Calgon Carbon Corp

2002-12-15 Application granted granted Critical

2002-12-15 Publication of ATE229476T1 publication Critical patent/ATE229476T1/de

Links

OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 9
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title abstract 6
229910052799 carbon Inorganic materials 0.000 title abstract 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 5
229910002092 carbon dioxide Inorganic materials 0.000 title abstract 3
239000001569 carbon dioxide Substances 0.000 title abstract 3
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 2
229910052782 aluminium Inorganic materials 0.000 title abstract 2
230000000087 stabilizing effect Effects 0.000 title 1
150000001721 carbon Chemical class 0.000 abstract 2

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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/354—After-treatment

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Inorganic Chemistry (AREA)
Water Treatment By Sorption (AREA)
Treating Waste Gases (AREA)
Carbon And Carbon Compounds (AREA)

AT97904250T 1996-02-06 1997-02-06 Mit kohlendioxid behandelte aktivkohle zur stabilisierung des ph-wertes und zur kontrolle des aluminiumgehaltes in behandeltem wasser ATE229476T1 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US08/597,115 US5714433A (en)	1996-02-06	1996-02-06	Activated carbon treated by carbon dioxide for the stabilization of treated water pH
US08/795,002 US5876607A (en)	1996-02-06	1997-02-05	Activated carbon treated by carbon dioxide for the stabilization of treated water pH and the control of aluminum in the treated water
PCT/US1997/001878 WO1997029045A1 (en)	1996-02-06	1997-02-06	AN ACTIVATED CARBON TREATED BY CARBON DIOXIDE FOR THE STABILIZATION OF TREATED WATER pH AND THE CONTROL OF ALUMINUM IN THE TREATED WATER

Publications (1)

Publication Number	Publication Date
ATE229476T1 true ATE229476T1 (de)	2002-12-15

Family

ID=27082734

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT97904250T ATE229476T1 (de)	1996-02-06	1997-02-06	Mit kohlendioxid behandelte aktivkohle zur stabilisierung des ph-wertes und zur kontrolle des aluminiumgehaltes in behandeltem wasser

Country Status (9)

Country	Link
US (1)	US5876607A (de)
EP (1)	EP0879213B1 (de)
JP (1)	JP2000503295A (de)
AT (1)	ATE229476T1 (de)
CA (1)	CA2244820C (de)
DE (1)	DE69717791T2 (de)
DK (1)	DK0879213T3 (de)
ES (1)	ES2185904T3 (de)
WO (1)	WO1997029045A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6946077B2 (en) *	2000-11-30	2005-09-20	Envirotrol, Inc.	pH stable activated carbon
RU2219257C2 (ru) *	2002-01-17	2003-12-20	Институт химии нефти СО РАН	Способ извлечения тяжелых и цветных металлов
JP4537699B2 (ja) *	2003-12-25	2010-09-01	日本エンバイロケミカルズ株式会社	活性炭のスラリー輸送方法
US7628923B2 (en) *	2006-09-25	2009-12-08	Calgon Carbon Corporation	Carbon pre-treatment for the stabilization of pH in water treatment
US20080073289A1 (en) *	2006-09-25	2008-03-27	Thomas Anthony Ryan	Carbon pre-treatment for the stabilization of ph in water treatment
JP2013150974A (ja) *	2011-12-27	2013-08-08	Osaka Gas Chem Kk	浄化エレメント、それを備えた浄水器、及び浄化エレメントの製造方法
US9302246B2 (en) *	2012-04-25	2016-04-05	Calgon Carbon Corporation	Mitigating leaching of arsenic and antimony from activated carbon

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS589763B2 (ja) *	1975-12-15	1983-02-22	武田薬品工業株式会社	チユウワサレタスイジヨウキフカツリユウジヨウカツセイタンノセイゾウホウ
US4578195A (en) *	1982-09-29	1986-03-25	Olin Corporation	Process for the purification of effluents and purge streams containing trace elements
US5368739A (en) *	1993-05-11	1994-11-29	Calgon Carbon Corporation	Activated carbon oxidized by air at near ambient temperatures for the control of ph and in water treatment applications
US5368738A (en) *	1993-05-11	1994-11-29	Calgon Carbon Corporation	Oxidized activated carbon for the control of pH and alkalinity in water treatment applications
US5714433A (en) *	1996-02-06	1998-02-03	Calgon Carbon Corporation	Activated carbon treated by carbon dioxide for the stabilization of treated water pH

1997
- 1997-02-05 US US08/795,002 patent/US5876607A/en not_active Expired - Lifetime
- 1997-02-06 WO PCT/US1997/001878 patent/WO1997029045A1/en not_active Ceased
- 1997-02-06 ES ES97904250T patent/ES2185904T3/es not_active Expired - Lifetime
- 1997-02-06 CA CA002244820A patent/CA2244820C/en not_active Expired - Fee Related
- 1997-02-06 EP EP97904250A patent/EP0879213B1/de not_active Expired - Lifetime
- 1997-02-06 JP JP9528648A patent/JP2000503295A/ja active Pending
- 1997-02-06 AT AT97904250T patent/ATE229476T1/de not_active IP Right Cessation
- 1997-02-06 DE DE69717791T patent/DE69717791T2/de not_active Expired - Lifetime
- 1997-02-06 DK DK97904250T patent/DK0879213T3/da active

Also Published As

Publication number	Publication date
CA2244820A1 (en)	1997-08-14
DE69717791T2 (de)	2003-09-18
ES2185904T3 (es)	2003-05-01
DK0879213T3 (da)	2003-03-24
WO1997029045A1 (en)	1997-08-14
JP2000503295A (ja)	2000-03-21
CA2244820C (en)	2004-07-20
EP0879213A1 (de)	1998-11-25
US5876607A (en)	1999-03-02
DE69717791D1 (de)	2003-01-23
EP0879213B1 (de)	2002-12-11

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Legal Events

Date

Code

Title

Description

2003-04-15

UEP

Publication of translation of european patent specification

Ref document number: 0879213

Country of ref document: EP

2009-11-15

REN

Ceased due to non-payment of the annual fee