FR2859921B1 - Composition tensioactive et utilisation comme modificateur de cristallisation peu moussant dans le procede dihydrate de synthese de l'acide phosphorique - Google Patents

Composition tensioactive et utilisation comme modificateur de cristallisation peu moussant dans le procede dihydrate de synthese de l'acide phosphorique

Info

Publication number
FR2859921B1
FR2859921B1 FR0350565A FR0350565A FR2859921B1 FR 2859921 B1 FR2859921 B1 FR 2859921B1 FR 0350565 A FR0350565 A FR 0350565A FR 0350565 A FR0350565 A FR 0350565A FR 2859921 B1 FR2859921 B1 FR 2859921B1
Authority
FR
France
Prior art keywords
low
phosphoric acid
acid synthesis
active composition
crystallization modifier
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
FR0350565A
Other languages
English (en)
Other versions
FR2859921A1 (fr
Inventor
Maryse Carrausse
Jean Pierre Boiteux
Francois Guy
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.)
Societe dExploitation de Produits pour les Industries Chimiques SEPPIC SA
Original Assignee
Societe dExploitation de Produits pour les Industries Chimiques SEPPIC SA
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 Societe dExploitation de Produits pour les Industries Chimiques SEPPIC SA filed Critical Societe dExploitation de Produits pour les Industries Chimiques SEPPIC SA
Priority to FR0350565A priority Critical patent/FR2859921B1/fr
Publication of FR2859921A1 publication Critical patent/FR2859921A1/fr
Application granted granted Critical
Publication of FR2859921B1 publication Critical patent/FR2859921B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
    • C01B25/225—Dihydrate process
    • 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
    • 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
    • B01D19/0413—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing N-atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
FR0350565A 2003-09-18 2003-09-18 Composition tensioactive et utilisation comme modificateur de cristallisation peu moussant dans le procede dihydrate de synthese de l'acide phosphorique Expired - Fee Related FR2859921B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0350565A FR2859921B1 (fr) 2003-09-18 2003-09-18 Composition tensioactive et utilisation comme modificateur de cristallisation peu moussant dans le procede dihydrate de synthese de l'acide phosphorique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0350565A FR2859921B1 (fr) 2003-09-18 2003-09-18 Composition tensioactive et utilisation comme modificateur de cristallisation peu moussant dans le procede dihydrate de synthese de l'acide phosphorique

Publications (2)

Publication Number Publication Date
FR2859921A1 FR2859921A1 (fr) 2005-03-25
FR2859921B1 true FR2859921B1 (fr) 2006-02-03

Family

ID=34224457

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0350565A Expired - Fee Related FR2859921B1 (fr) 2003-09-18 2003-09-18 Composition tensioactive et utilisation comme modificateur de cristallisation peu moussant dans le procede dihydrate de synthese de l'acide phosphorique

Country Status (1)

Country Link
FR (1) FR2859921B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111892032A (zh) * 2020-08-17 2020-11-06 云南磷化集团有限公司 一种湿法磷酸萃取反应的消泡加料控制方法及其装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1936126C3 (de) * 1969-07-16 1973-12-06 Bayer Ag, 5090 Leverkusen Entschäumer
DE2137942A1 (de) * 1971-07-29 1973-02-08 Basf Ag Polyaether
DE19623409C1 (de) * 1996-06-12 1998-02-12 Bayer Ag Entschäumermischungen, ein Verfahren zu deren Herstellung und deren Verwendung
MXPA02005747A (es) * 1999-12-08 2002-09-18 Procter & Gamble Composiciones que incluyen agentes tensioactivos de alcohol poli(oxialquilados) brloqueado con eter.

Also Published As

Publication number Publication date
FR2859921A1 (fr) 2005-03-25

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Effective date: 20200914