FR1564461A - - Google Patents

Info

Publication number
FR1564461A
FR1564461A FR1564461DA FR1564461A FR 1564461 A FR1564461 A FR 1564461A FR 1564461D A FR1564461D A FR 1564461DA FR 1564461 A FR1564461 A FR 1564461A
Authority
FR
France
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1564461A publication Critical patent/FR1564461A/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
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
FR1564461D 1964-07-28 1965-07-23 Expired FR1564461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3001364A GB1103224A (en) 1964-07-28 1964-07-28 Improvements in the manufacture of phosphoric acid

Publications (1)

Publication Number Publication Date
FR1564461A true FR1564461A (en) 1969-04-25

Family

ID=10300860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1564461D Expired FR1564461A (en) 1964-07-28 1965-07-23

Country Status (4)

Country Link
BE (1) BE667387A (en)
FR (1) FR1564461A (en)
GB (1) GB1103224A (en)
NL (1) NL6509687A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447347A1 (en) * 1979-01-24 1980-08-22 Rhone Poulenc Ind PROCESS FOR THE TREATMENT OF AN IMPURE PHOSPHORIC ACID

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070443A (en) * 1976-02-13 1978-01-24 Toyo Soda Manufacturing Co., Ltd. Process for removing sulfate ions from extracted phosphoric acid with a barium compound
US4299805A (en) * 1978-03-30 1981-11-10 Calgon Corporation Regeneration of carbon employed in the wet process production of phosphoric acid
CA1124031A (en) * 1978-03-30 1982-05-25 Bruce D. Wells Regeneration of activated carbon employed in the wet process production of phosphoric acid
US4250155A (en) * 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction
AU5545180A (en) * 1979-02-21 1980-08-28 Calgon Corporation Purifying brown phosphoric acid
US4297334A (en) 1979-02-21 1981-10-27 Calgon Corporation Process for removing color bodies from brown phosphoric acid
US4256570A (en) * 1979-03-19 1981-03-17 International Minerals & Chemical Corporation Purification of phosphoric acid
US4369168A (en) * 1979-08-21 1983-01-18 Calgon Corporation Regeneration of carbon employed in the wet process production of alkali metal phosphates
US4341638A (en) * 1979-10-17 1982-07-27 International Minerals & Chemical Corp. Purification of phosphoric acid
US4495165A (en) * 1983-10-03 1985-01-22 Gurza Guillermo R Method of purification of phosphoric acid
DE3806822A1 (en) * 1988-03-03 1989-09-14 Hoechst Ag CONTINUOUS PROCESS FOR COMPLETELY REMOVING ORGANIC IMPURITIES AND COMPLETELY DISCHARGING PRE-CLEANED WET PHOSPHORIC ACIDS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447347A1 (en) * 1979-01-24 1980-08-22 Rhone Poulenc Ind PROCESS FOR THE TREATMENT OF AN IMPURE PHOSPHORIC ACID

Also Published As

Publication number Publication date
GB1103224A (en) 1968-02-14
BE667387A (en) 1965-11-16
NL6509687A (en) 1966-01-31

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Legal Events

Date Code Title Description
ST Notification of lapse