GB1162062A - Phosphoric Acid Purification - Google Patents

Phosphoric Acid Purification

Info

Publication number
GB1162062A
GB1162062A GB486867A GB486867A GB1162062A GB 1162062 A GB1162062 A GB 1162062A GB 486867 A GB486867 A GB 486867A GB 486867 A GB486867 A GB 486867A GB 1162062 A GB1162062 A GB 1162062A
Authority
GB
United Kingdom
Prior art keywords
organic
solution
acid
phosphate
feb
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
GB486867A
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.)
FMC Corp
Original Assignee
FMC Corp
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 US554563A external-priority patent/US3410656A/en
Application filed by FMC Corp filed Critical FMC Corp
Publication of GB1162062A publication Critical patent/GB1162062A/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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
GB486867A 1966-02-01 1967-02-01 Phosphoric Acid Purification Expired GB1162062A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52427266A 1966-02-01 1966-02-01
US554563A US3410656A (en) 1966-06-01 1966-06-01 Phosphoric acid purification

Publications (1)

Publication Number Publication Date
GB1162062A true GB1162062A (en) 1969-08-20

Family

ID=27061446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB486867A Expired GB1162062A (en) 1966-02-01 1967-02-01 Phosphoric Acid Purification

Country Status (6)

Country Link
BE (1) BE693387A (ja)
BR (1) BR6786726D0 (ja)
ES (1) ES336087A1 (ja)
FR (1) FR1509607A (ja)
GB (1) GB1162062A (ja)
NL (1) NL150753B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921239A1 (de) * 1978-06-09 1979-12-13 Gardinier Inc Verfahren zur reinigung von einer loesungsmittelextraktion unterworfener phosphorsaeure
EP0331188A2 (en) * 1988-03-04 1989-09-06 FMC Corporation Process for removing iron, chromium and vanadium from phosphoric acid
DE102008023649A1 (de) * 2008-05-15 2009-11-19 Csv-Chemie Service Und Vertriebs Gmbh Verfahren zur Extraktion von Phosphorsäure und Mischungen mit Phosphorsäure

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391954A2 (fr) * 1977-05-23 1978-12-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
FR2421845A2 (fr) * 1978-01-12 1979-11-02 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
FR2677345B1 (fr) * 1991-06-04 1993-12-24 Commissariat A Energie Atomique Procede de purification et de recuperation d'acide orthophosphorique par extraction liquide-liquide.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921239A1 (de) * 1978-06-09 1979-12-13 Gardinier Inc Verfahren zur reinigung von einer loesungsmittelextraktion unterworfener phosphorsaeure
US4250155A (en) 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction
EP0331188A2 (en) * 1988-03-04 1989-09-06 FMC Corporation Process for removing iron, chromium and vanadium from phosphoric acid
EP0331188A3 (en) * 1988-03-04 1991-06-12 FMC Corporation Process for removing iron, chromium and vanadium from phosphoric acid
DE102008023649A1 (de) * 2008-05-15 2009-11-19 Csv-Chemie Service Und Vertriebs Gmbh Verfahren zur Extraktion von Phosphorsäure und Mischungen mit Phosphorsäure

Also Published As

Publication number Publication date
FR1509607A (fr) 1968-01-12
ES336087A1 (es) 1967-12-16
DE1667487B2 (de) 1976-01-15
NL6701511A (ja) 1967-08-02
DE1667487A1 (de) 1971-06-24
BE693387A (ja) 1967-07-31
NL150753B (nl) 1976-09-15
BR6786726D0 (pt) 1973-12-27

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Legal Events

Date Code Title Description
PS Patent sealed
433D Application made for revocation (sect. 33/1949)
433A Case decided by the comptroller ** patent amended (sect. 33/1949)
PE Patent expired