FR2548548B1 - Agents pour debarrasser de leur mousse et desaerer des systemes aqueux, et leur utilisation - Google Patents

Agents pour debarrasser de leur mousse et desaerer des systemes aqueux, et leur utilisation

Info

Publication number
FR2548548B1
FR2548548B1 FR8410802A FR8410802A FR2548548B1 FR 2548548 B1 FR2548548 B1 FR 2548548B1 FR 8410802 A FR8410802 A FR 8410802A FR 8410802 A FR8410802 A FR 8410802A FR 2548548 B1 FR2548548 B1 FR 2548548B1
Authority
FR
France
Prior art keywords
deaering
clearing
foam
agents
aqueous systems
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
Application number
FR8410802A
Other languages
English (en)
Other versions
FR2548548A1 (fr
Inventor
Sara Gronlund
Thord Hassler
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.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
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 WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2548548A1 publication Critical patent/FR2548548A1/fr
Application granted granted Critical
Publication of FR2548548B1 publication Critical patent/FR2548548B1/fr
Expired 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (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)
  • Degasification And Air Bubble Elimination (AREA)
FR8410802A 1983-07-07 1984-07-06 Agents pour debarrasser de leur mousse et desaerer des systemes aqueux, et leur utilisation Expired FR2548548B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8303890A SE443092B (sv) 1983-07-07 1983-07-07 Medel for avskumning och avluftning av vattenhaltiga system baserat pa vattenhaltiga dispersioner samt anvendning av medlet

Publications (2)

Publication Number Publication Date
FR2548548A1 FR2548548A1 (fr) 1985-01-11
FR2548548B1 true FR2548548B1 (fr) 1989-09-15

Family

ID=20351920

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8410802A Expired FR2548548B1 (fr) 1983-07-07 1984-07-06 Agents pour debarrasser de leur mousse et desaerer des systemes aqueux, et leur utilisation

Country Status (5)

Country Link
CA (1) CA1239070A (fr)
DE (1) DE3423994A1 (fr)
FR (1) FR2548548B1 (fr)
GB (1) GB2142837B (fr)
SE (1) SE443092B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3911238A1 (de) * 1989-04-07 1990-10-11 Henkel Kgaa Oleophile alkohole als bestandteil von invert-bohrspuelungen
DE19505178A1 (de) * 1995-02-16 1996-08-22 Henkel Kgaa Dispersionen mit gegebenenfalls veresterten (Poly) Glycerinpolyglykolethern
DE19508938A1 (de) * 1995-03-13 1996-09-19 Basf Ag Entschäumer und/oder Entlüfter für wäßrige, zur Schaumbildung neigende Medien
ES2410156T3 (es) 2002-03-28 2013-07-01 The Nisshin Oillio Group, Ltd. Uso de un dispersante para partículas finas en cosméticos.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791209A (fr) * 1971-11-17 1973-05-10 Basf Ag Emulsions aqueuses anti-mousse
US4303549A (en) * 1979-10-18 1981-12-01 Drew Chemical Corporation Liquid defoamer and defoaming process
JPS5763108A (en) * 1980-09-30 1982-04-16 Riken Vitamin Co Ltd Antifoaming agent

Also Published As

Publication number Publication date
SE8303890L (sv) 1985-01-08
SE8303890D0 (sv) 1983-07-07
GB2142837B (en) 1987-02-11
DE3423994A1 (de) 1985-01-17
CA1239070A (fr) 1988-07-12
FR2548548A1 (fr) 1985-01-11
GB2142837A (en) 1985-01-30
GB8417176D0 (en) 1984-08-08
SE443092B (sv) 1986-02-17

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Legal Events

Date Code Title Description
ST Notification of lapse