ATE63300T1 - Verfahren zur kontrolle von calciumcarbonatablagerungen in waesserigen systemen mit hohem ph- wert. - Google Patents

Verfahren zur kontrolle von calciumcarbonatablagerungen in waesserigen systemen mit hohem ph- wert.

Info

Publication number
ATE63300T1
ATE63300T1 AT88306870T AT88306870T ATE63300T1 AT E63300 T1 ATE63300 T1 AT E63300T1 AT 88306870 T AT88306870 T AT 88306870T AT 88306870 T AT88306870 T AT 88306870T AT E63300 T1 ATE63300 T1 AT E63300T1
Authority
AT
Austria
Prior art keywords
calcium carbonate
aqueous systems
procedure
control
carbonate deposits
Prior art date
Application number
AT88306870T
Other languages
English (en)
Inventor
Nancy S Sherwood
Monica A Yorke
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
Application granted granted Critical
Publication of ATE63300T1 publication Critical patent/ATE63300T1/de

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
    • C02F5/14—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 containing phosphorus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Detergent Compositions (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
AT88306870T 1987-08-03 1988-07-26 Verfahren zur kontrolle von calciumcarbonatablagerungen in waesserigen systemen mit hohem ph- wert. ATE63300T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8085487A 1987-08-03 1987-08-03
EP88306870A EP0302651B1 (de) 1987-08-03 1988-07-26 Verfahren zur Kontrolle von Calciumcarbonat-Ablagerungen in wässerigen Systemen mit hohem pH-Wert

Publications (1)

Publication Number Publication Date
ATE63300T1 true ATE63300T1 (de) 1991-05-15

Family

ID=22160063

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88306870T ATE63300T1 (de) 1987-08-03 1988-07-26 Verfahren zur kontrolle von calciumcarbonatablagerungen in waesserigen systemen mit hohem ph- wert.

Country Status (9)

Country Link
EP (1) EP0302651B1 (de)
JP (1) JPH0240298A (de)
AT (1) ATE63300T1 (de)
AU (1) AU598689B2 (de)
DE (1) DE3862707D1 (de)
ES (1) ES2022624B3 (de)
GR (1) GR3001977T3 (de)
NZ (1) NZ225541A (de)
ZA (1) ZA885524B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933090A (en) * 1987-12-23 1990-06-12 Calgon Corporation Method for controlling silica/silicate deposition in aqueous systems using phosphonates and carboxylic/sulfonic polymers
AU2701392A (en) * 1991-10-15 1993-04-22 Calgon Corporation Method for controlling calcium sulfate scaling in metal mining circuits
US5454954A (en) * 1993-09-21 1995-10-03 Calgon Corporation Scale control in metal mining circuits using polyether polyamino methylene phosphonates
US20100197545A1 (en) * 2009-01-30 2010-08-05 Ecolab USA High alkaline detergent composition with enhanced scale control
DE112014004369B4 (de) * 2013-09-24 2021-05-06 Nippon Shokubai Co., Ltd. (Meth)Acrylsäure-Copolymer und Verfahren zu dessen Herstellung
CN103708632B (zh) * 2014-01-13 2015-04-01 湖南东盈煤化工技术开发有限公司 一种气化用灰水阻垢分散剂
CN110143679A (zh) * 2018-12-11 2019-08-20 德蓝水技术股份有限公司 煤制气汽化炉高温灰水分散剂及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452703A (en) * 1982-02-01 1984-06-05 Calgon Corporation Control of scale in sugar evaporation equipment
CA1224999A (en) * 1983-02-16 1987-08-04 Dionisio G. Cuisia Composition and method for inhibiting scale
US4600524A (en) * 1983-12-08 1986-07-15 W. R. Grace & Co. Composition and method for inhibiting scale
US4589985A (en) * 1984-12-03 1986-05-20 Calgon Corporation Polyelectrolyte and surfactant compositions for controlling alkaline earth metal scales
US4650591A (en) * 1985-08-29 1987-03-17 Calgon Corporation Acrylic acid/2-acrylamido-2-methylpropylsulfonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers as scale and corrosion inhibitors

Also Published As

Publication number Publication date
JPH0240298A (ja) 1990-02-09
EP0302651B1 (de) 1991-05-08
ZA885524B (en) 1989-03-29
GR3001977T3 (en) 1992-11-23
EP0302651A1 (de) 1989-02-08
AU2033488A (en) 1989-02-09
NZ225541A (en) 1991-04-26
ES2022624B3 (es) 1991-12-01
DE3862707D1 (de) 1991-06-13
AU598689B2 (en) 1990-06-28

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee