FR2545076B1 - PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID BY SOLVENT EXTRACTION - Google Patents

PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID BY SOLVENT EXTRACTION

Info

Publication number
FR2545076B1
FR2545076B1 FR8307004A FR8307004A FR2545076B1 FR 2545076 B1 FR2545076 B1 FR 2545076B1 FR 8307004 A FR8307004 A FR 8307004A FR 8307004 A FR8307004 A FR 8307004A FR 2545076 B1 FR2545076 B1 FR 2545076B1
Authority
FR
France
Prior art keywords
purification
phosphoric acid
solvent extraction
extraction
solvent
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
FR8307004A
Other languages
French (fr)
Other versions
FR2545076A1 (en
Inventor
Richard Fitoussi
Jean-Louis Sabot
Louis Winand
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.)
Rhone Poulenc Chimie de Base SA
Original Assignee
Rhone Poulenc Chimie de Base 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 Rhone Poulenc Chimie de Base SA filed Critical Rhone Poulenc Chimie de Base SA
Priority to FR8307004A priority Critical patent/FR2545076B1/en
Publication of FR2545076A1 publication Critical patent/FR2545076A1/en
Application granted granted Critical
Publication of FR2545076B1 publication Critical patent/FR2545076B1/en
Expired 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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/465—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being an ester or a mixture of esters
    • 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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)
FR8307004A 1983-04-28 1983-04-28 PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID BY SOLVENT EXTRACTION Expired FR2545076B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8307004A FR2545076B1 (en) 1983-04-28 1983-04-28 PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID BY SOLVENT EXTRACTION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8307004A FR2545076B1 (en) 1983-04-28 1983-04-28 PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID BY SOLVENT EXTRACTION

Publications (2)

Publication Number Publication Date
FR2545076A1 FR2545076A1 (en) 1984-11-02
FR2545076B1 true FR2545076B1 (en) 1988-05-06

Family

ID=9288323

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8307004A Expired FR2545076B1 (en) 1983-04-28 1983-04-28 PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID BY SOLVENT EXTRACTION

Country Status (1)

Country Link
FR (1) FR2545076B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0176613A1 (en) * 1984-10-01 1986-04-09 East China Institute Of Chemical Technology A process for producing phosphoric acid and/or phosphates from wet-process phosphoric acid and an extractant used therein
FR2677345B1 (en) * 1991-06-04 1993-12-24 Commissariat A Energie Atomique PROCESS FOR PURIFICATION AND RECOVERY OF ORTHOPHOSPHORIC ACID BY LIQUID-LIQUID EXTRACTION.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2519814A1 (en) * 1975-05-03 1976-11-11 Bayer Ag Extracting phosphoric acid from aq. solns. - with hydrolysis stable phosphine oxides, phosphinates, phosphantes etc, having high extraction power

Also Published As

Publication number Publication date
FR2545076A1 (en) 1984-11-02

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Legal Events

Date Code Title Description
ST Notification of lapse