DE3871713D1 - Verfahren zum kontrollieren von kalziumoxalatablagerungen in einem ausgedehnten ph-bereich. - Google Patents

Verfahren zum kontrollieren von kalziumoxalatablagerungen in einem ausgedehnten ph-bereich.

Info

Publication number
DE3871713D1
DE3871713D1 DE8888202304T DE3871713T DE3871713D1 DE 3871713 D1 DE3871713 D1 DE 3871713D1 DE 8888202304 T DE8888202304 T DE 8888202304T DE 3871713 T DE3871713 T DE 3871713T DE 3871713 D1 DE3871713 D1 DE 3871713D1
Authority
DE
Germany
Prior art keywords
calcium oxalate
extended
area
controlling calcium
oxalate deposits
Prior art date
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.)
Expired - Fee Related
Application number
DE8888202304T
Other languages
English (en)
Other versions
DE3871713T2 (de
Inventor
Gloria D Sinkovitz
Kevin J Hipolit
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.)
Calgon Corp
Original Assignee
Calgon 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.)
Filing date
Publication date
Application filed by Calgon Corp filed Critical Calgon Corp
Publication of DE3871713D1 publication Critical patent/DE3871713D1/de
Application granted granted Critical
Publication of DE3871713T2 publication Critical patent/DE3871713T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/105—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances combined with inorganic substances
DE8888202304T 1987-10-23 1988-10-14 Verfahren zum kontrollieren von kalziumoxalatablagerungen in einem ausgedehnten ph-bereich. Expired - Fee Related DE3871713T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/111,948 US4804476A (en) 1987-10-23 1987-10-23 Process for controlling calcium oxalate scale over a wide pH range

Publications (2)

Publication Number Publication Date
DE3871713D1 true DE3871713D1 (de) 1992-07-09
DE3871713T2 DE3871713T2 (de) 1992-12-10

Family

ID=22341306

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888202304T Expired - Fee Related DE3871713T2 (de) 1987-10-23 1988-10-14 Verfahren zum kontrollieren von kalziumoxalatablagerungen in einem ausgedehnten ph-bereich.

Country Status (7)

Country Link
US (1) US4804476A (de)
EP (1) EP0313157B1 (de)
JP (1) JPH01143700A (de)
AT (1) ATE76857T1 (de)
AU (1) AU621564B2 (de)
DE (1) DE3871713T2 (de)
ES (1) ES2031584T3 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5279827A (en) * 1991-01-16 1994-01-18 Allegheny-Singer Research Institute Extract and pharmaceutical composition for treatment of calcium oxalate stone disease and viral infections
US5137722A (en) * 1991-01-16 1992-08-11 Allegheny-Singer Research Institute Extract and pharmaceutical composition for treatment of calcium oxalate stone disease
US5320757A (en) * 1993-04-05 1994-06-14 Betz Laboratories, Inc. Method of inhibiting calcium oxalate scale deposition
DE69428230T2 (de) * 1993-06-14 2002-06-27 Solutia Europ Nv Sa Verfahren zur Verhinderung von Oxalatablagerungen
AU701456B2 (en) * 1994-09-12 1999-01-28 Rohm And Haas Company Method of inhibiting sulfate scale in aqueous systems
US6096197A (en) * 1997-12-11 2000-08-01 Hughes; Douglass E. Shower filter for chlorine removal and scale deposit prevention
KR100308522B1 (ko) * 1999-06-10 2001-11-05 선우 영석 옥살산칼슘 스케일 제거제
ES2272191B1 (es) * 2005-10-14 2008-04-01 Universitat De Les Illes Balears Utilizacion del fitato para el tratamiento del agua.
JP5615049B2 (ja) * 2010-06-07 2014-10-29 伯東株式会社 硫酸バリウムスケール防止方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520646A (en) * 1978-07-31 1980-02-14 Nippon Steel Corp Preventing method of scale deposition of exhaust gas system and dust collecting water system of steel making furnace
JPS5811279B2 (ja) * 1978-08-08 1983-03-02 株式会社片山化学工業研究所 スケ−ル防止処理法
US4640793A (en) * 1984-02-14 1987-02-03 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
US4634532A (en) * 1984-05-12 1987-01-06 Calgon Corporation Orthophosphate-containing desalination scale inhibitors
US4589985A (en) * 1984-12-03 1986-05-20 Calgon Corporation Polyelectrolyte and surfactant compositions for controlling alkaline earth metal scales
US4575425A (en) * 1984-12-24 1986-03-11 Calgon Corporation Process for controlling calcium oxalate scale over a wide pH range
US4814406A (en) * 1986-02-28 1989-03-21 Katayama Chemical Works Ltd. Scale inhibitor

Also Published As

Publication number Publication date
EP0313157B1 (de) 1992-06-03
AU2418388A (en) 1989-04-27
EP0313157A3 (en) 1989-09-27
US4804476A (en) 1989-02-14
AU621564B2 (en) 1992-03-19
EP0313157A2 (de) 1989-04-26
DE3871713T2 (de) 1992-12-10
JPH01143700A (ja) 1989-06-06
ES2031584T3 (es) 1992-12-16
ATE76857T1 (de) 1992-06-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee