BE693387A - - Google Patents

Info

Publication number
BE693387A
BE693387A BE693387DA BE693387A BE 693387 A BE693387 A BE 693387A BE 693387D A BE693387D A BE 693387DA BE 693387 A BE693387 A BE 693387A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE693387A publication Critical patent/BE693387A/xx

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
BE693387D 1966-02-01 1967-01-30 BE693387A (ja)

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
BE693387A true BE693387A (ja) 1967-07-31

Family

ID=27061446

Family Applications (1)

Application Number Title Priority Date Filing Date
BE693387D BE693387A (ja) 1966-02-01 1967-01-30

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)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2421845A2 (fr) * 1978-01-12 1979-11-02 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
FR2391954A2 (fr) * 1977-05-23 1978-12-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
US4250155A (en) * 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction
US5006319A (en) * 1988-03-04 1991-04-09 Fmc Corporation Process for removing iron, chromium and vanadium from phosphoric acid
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.
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
ES336087A1 (es) 1967-12-16
BR6786726D0 (pt) 1973-12-27
NL150753B (nl) 1976-09-15
NL6701511A (ja) 1967-08-02
FR1509607A (fr) 1968-01-12
DE1667487A1 (de) 1971-06-24
GB1162062A (en) 1969-08-20
DE1667487B2 (de) 1976-01-15

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: FMC CORP.

Effective date: 19870130