BE845152A - Procede d'epuration d'acide phosphorique obtenu par voie humide - Google Patents

Procede d'epuration d'acide phosphorique obtenu par voie humide

Info

Publication number
BE845152A
BE845152A BE169776A BE169776A BE845152A BE 845152 A BE845152 A BE 845152A BE 169776 A BE169776 A BE 169776A BE 169776 A BE169776 A BE 169776A BE 845152 A BE845152 A BE 845152A
Authority
BE
Belgium
Prior art keywords
depuring
phosphoric acid
wet method
acid obtained
wet
Prior art date
Application number
BE169776A
Other languages
English (en)
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 BE845152A publication Critical patent/BE845152A/fr

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
    • C01B25/26—Phosphates
    • C01B25/38—Condensed phosphates
    • C01B25/40—Polyphosphates
    • C01B25/405—Polyphosphates of ammonium
    • 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
    • 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
    • C01B25/26—Phosphates
    • C01B25/28—Ammonium phosphates
    • 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
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
BE169776A 1975-08-14 1976-08-13 Procede d'epuration d'acide phosphorique obtenu par voie humide BE845152A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/604,518 US3993735A (en) 1975-08-14 1975-08-14 Cleanup of wet process phosphoric acid

Publications (1)

Publication Number Publication Date
BE845152A true BE845152A (fr) 1977-02-14

Family

ID=24419921

Family Applications (1)

Application Number Title Priority Date Filing Date
BE169776A BE845152A (fr) 1975-08-14 1976-08-13 Procede d'epuration d'acide phosphorique obtenu par voie humide

Country Status (11)

Country Link
US (1) US3993735A (fr)
JP (1) JPS5223598A (fr)
BE (1) BE845152A (fr)
BR (1) BR7605232A (fr)
DE (1) DE2635911A1 (fr)
ES (1) ES450701A1 (fr)
FR (1) FR2320901A1 (fr)
GB (1) GB1547211A (fr)
IL (1) IL49928A (fr)
NL (1) NL7608259A (fr)
ZA (1) ZA764654B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256570A (en) * 1979-03-19 1981-03-17 International Minerals & Chemical Corporation Purification of phosphoric acid
US4341638A (en) * 1979-10-17 1982-07-27 International Minerals & Chemical Corp. Purification of phosphoric acid
DE3003250C2 (de) * 1980-01-30 1982-09-16 Klöckner-Humboldt-Deutz AG, 5000 Köln Verfahren zum Abtrennen von Feststoffen aus Phosphorsäure
FR2520342A1 (fr) * 1982-01-25 1983-07-29 Rhone Poulenc Chim Base Procede de purification d'acide phosphorique de voie humide
US4536378A (en) * 1983-10-13 1985-08-20 White Edward A Phosphate fertilizer production
US4551320A (en) * 1984-10-12 1985-11-05 Fmc Corporation Treatment of concentrated phosphoric acid
US4643883A (en) * 1986-01-22 1987-02-17 International Minerals & Chemical Corp. Method of decolorizing wet process phosphoric acid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1981145A (en) * 1933-10-21 1934-11-20 Minerals Separation North Us Process of producing phosphoric acid
US2044940A (en) * 1933-11-25 1936-06-23 Grasselli Chemical Co Preparation of a soluble phosphate
GB1052410A (fr) * 1962-11-14
US3645682A (en) * 1967-09-13 1972-02-29 Multi Minerals Ltd A process for producing phosphoric acid by the use of ion exchange resins
DE2029564C3 (de) * 1970-06-16 1978-06-22 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure

Also Published As

Publication number Publication date
IL49928A0 (en) 1976-08-31
BR7605232A (pt) 1977-08-09
GB1547211A (en) 1979-06-06
DE2635911A1 (de) 1977-03-03
IL49928A (en) 1978-12-17
NL7608259A (nl) 1977-02-16
US3993735A (en) 1976-11-23
ZA764654B (en) 1977-07-27
JPS5223598A (en) 1977-02-22
ES450701A1 (es) 1977-12-16
FR2320901A1 (fr) 1977-03-11

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