BE855456A - Composition et son utilisation dans des systemes a ph eleves - Google Patents

Composition et son utilisation dans des systemes a ph eleves

Info

Publication number
BE855456A
BE855456A BE178252A BE178252A BE855456A BE 855456 A BE855456 A BE 855456A BE 178252 A BE178252 A BE 178252A BE 178252 A BE178252 A BE 178252A BE 855456 A BE855456 A BE 855456A
Authority
BE
Belgium
Prior art keywords
systems
composition
Prior art date
Application number
BE178252A
Other languages
English (en)
Original Assignee
Betz Internat Inc
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 Betz Internat Inc filed Critical Betz Internat Inc
Publication of BE855456A publication Critical patent/BE855456A/fr

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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (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)
  • Paper (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
BE178252A 1976-06-07 1977-06-07 Composition et son utilisation dans des systemes a ph eleves BE855456A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69345376A 1976-06-07 1976-06-07

Publications (1)

Publication Number Publication Date
BE855456A true BE855456A (fr) 1977-10-03

Family

ID=24784715

Family Applications (1)

Application Number Title Priority Date Filing Date
BE178252A BE855456A (fr) 1976-06-07 1977-06-07 Composition et son utilisation dans des systemes a ph eleves

Country Status (5)

Country Link
BE (1) BE855456A (fr)
CA (1) CA1069800A (fr)
DE (1) DE2725199A1 (fr)
IT (1) IT1086672B (fr)
NL (1) NL7702952A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT71647B (en) * 1979-08-16 1982-01-21 Calgon Corp Process for preparing a composition for the control of scale and deposits in gas-liquid separation
US4479878A (en) * 1982-10-28 1984-10-30 Betz Laboratories, Inc. High calcium tolerant deposit control method
ES2081433T3 (es) * 1990-04-25 1996-03-16 Nalco Chemical Co Oligomeros de fosfinatos, composiciones que los contienen y procedimiento para su obtencion y utilizacion.
MY138251A (en) 2001-06-06 2009-05-29 Thermphos Trading Gmbh Method for inhibiting calcium salt scale
MY129053A (en) 2001-06-06 2007-03-30 Thermphos Trading Gmbh Composition for inhibiting calcium salt scale
PT1392914E (pt) 2001-06-06 2011-02-03 Dequest Ag Método para a produção de pasta melhorada

Also Published As

Publication number Publication date
DE2725199A1 (de) 1977-12-15
IT1086672B (it) 1985-05-28
NL7702952A (nl) 1977-12-09
CA1069800A (fr) 1980-01-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BETZ EUROPE INC.

Effective date: 19850607