BE710599A - - Google Patents

Info

Publication number
BE710599A
BE710599A BE710599DA BE710599A BE 710599 A BE710599 A BE 710599A BE 710599D A BE710599D A BE 710599DA BE 710599 A BE710599 A BE 710599A
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
Application filed filed Critical
Publication of BE710599A publication Critical patent/BE710599A/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
    • C01B25/185—Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid, e.g. by reacting phosphate-containing material with an ion-exchange resin or an acid salt used alone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • 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
BE710599D 1967-02-10 1968-02-09 BE710599A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK61389A DE1289036B (de) 1967-02-10 1967-02-10 Verfahren zur Reinigung einer Phosphorsaeure-Aufschlussloesung

Publications (1)

Publication Number Publication Date
BE710599A true BE710599A (fr) 1968-06-17

Family

ID=7230058

Family Applications (1)

Application Number Title Priority Date Filing Date
BE710599D BE710599A (fr) 1967-02-10 1968-02-09

Country Status (6)

Country Link
US (1) US3650691A (fr)
BE (1) BE710599A (fr)
DE (1) DE1289036B (fr)
FR (1) FR1557962A (fr)
GB (1) GB1217571A (fr)
NL (1) NL6801913A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2050406C3 (de) * 1970-10-14 1978-04-06 Budenheim Rud A Oetker Chemie Verfahren zur Reinigung von technischer Phosporsäure
US6387289B1 (en) * 2000-05-04 2002-05-14 Micron Technology, Inc. Planarizing machines and methods for mechanical and/or chemical-mechanical planarization of microelectronic-device substrate assemblies
DE102014006278B3 (de) * 2014-05-02 2015-02-26 Remondis Aqua Gmbh & Co. Kg Verfahren zur Reinigung von Roh-Phosphorsäure (z.B. MGA-Säure) durch Zugabe von Aschen aus Abfall-Verbrennungsanlagen umfassend die Gewinnung von reiner Phosphorsäure, Kalziumsulfat, wasserlöslichen Kalziumhydrogenphosphaten und Metallsalz-Lösung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US137635A (en) * 1873-04-08 Improvement in the manufacture of acid phosphates
US2567227A (en) * 1948-01-28 1951-09-11 Chemical Foundation Inc Production of calcium phosphate
US2707670A (en) * 1953-02-04 1955-05-03 Asahi Chemical Ind Method of recovering ammonia from dilute aqueous solutions or gases containing the same
US3161466A (en) * 1961-01-26 1964-12-15 Earl A Fallin Production and purification of phosphatic materials
GB1052410A (fr) * 1962-11-14
US3494735A (en) * 1964-07-31 1970-02-10 Multi Minerals Ltd Phosphoric acid

Also Published As

Publication number Publication date
US3650691A (en) 1972-03-21
FR1557962A (fr) 1969-02-21
GB1217571A (en) 1970-12-31
NL6801913A (fr) 1968-08-12
DE1289036B (de) 1969-02-13

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