FR1396077A - Procédé de purification d'acide phosphorique - Google Patents

Procédé de purification d'acide phosphorique

Info

Publication number
FR1396077A
FR1396077A FR973802A FR973802A FR1396077A FR 1396077 A FR1396077 A FR 1396077A FR 973802 A FR973802 A FR 973802A FR 973802 A FR973802 A FR 973802A FR 1396077 A FR1396077 A FR 1396077A
Authority
FR
France
Prior art keywords
phosphoric acid
purification process
acid purification
phosphoric
purification
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
FR973802A
Other languages
English (en)
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.)
ISRAEL MINING IND INST FOR RES
Original Assignee
ISRAEL MINING IND INST FOR RES
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
Priority claimed from US279156A external-priority patent/US3338674A/en
Application filed by ISRAEL MINING IND INST FOR RES filed Critical ISRAEL MINING IND INST FOR RES
Application granted granted Critical
Publication of FR1396077A publication Critical patent/FR1396077A/fr
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
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • 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
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
FR973802A 1963-05-09 1964-05-08 Procédé de purification d'acide phosphorique Expired FR1396077A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27918263A 1963-05-09 1963-05-09
US279156A US3338674A (en) 1963-05-09 1963-05-09 Process for preparation of substantially pure phosphoric acid

Publications (1)

Publication Number Publication Date
FR1396077A true FR1396077A (fr) 1965-04-16

Family

ID=26959491

Family Applications (1)

Application Number Title Priority Date Filing Date
FR973802A Expired FR1396077A (fr) 1963-05-09 1964-05-08 Procédé de purification d'acide phosphorique

Country Status (3)

Country Link
BE (1) BE707232A (fr)
FR (1) FR1396077A (fr)
NL (1) NL6405142A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2127141A1 (de) * 1970-06-12 1971-12-16 Azote & Prod Chim Reinigung von auf nassem Wege hergestellter Phosphorsäure
US7361323B2 (en) 2002-06-28 2008-04-22 Ecophos Method for the production of phosphoric acid and/or a salt thereof and products thus obtained
US7687046B2 (en) 2002-06-28 2010-03-30 Ecophos Method of producing phosphoric acid salt

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2127141A1 (de) * 1970-06-12 1971-12-16 Azote & Prod Chim Reinigung von auf nassem Wege hergestellter Phosphorsäure
DE2127141C3 (de) * 1970-06-12 1986-03-27 Rhône-Poulenc Chimie de Base, Courbevoie Verfahren zur Reinigung von Naßverfahrensphosphorsäure
US7361323B2 (en) 2002-06-28 2008-04-22 Ecophos Method for the production of phosphoric acid and/or a salt thereof and products thus obtained
US7687046B2 (en) 2002-06-28 2010-03-30 Ecophos Method of producing phosphoric acid salt

Also Published As

Publication number Publication date
BE707232A (fr) 1968-03-01
NL6405142A (fr) 1964-11-10

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