BE798598A - Procede de purification de l'acide phosphorique - Google Patents

Procede de purification de l'acide phosphorique

Info

Publication number
BE798598A
BE798598A BE130314A BE130314A BE798598A BE 798598 A BE798598 A BE 798598A BE 130314 A BE130314 A BE 130314A BE 130314 A BE130314 A BE 130314A BE 798598 A BE798598 A BE 798598A
Authority
BE
Belgium
Prior art keywords
phosphoric acid
purification process
acid purification
phosphoric
purification
Prior art date
Application number
BE130314A
Other languages
English (en)
Inventor
I Toshimitsu
S Fujii
T Nakajima
Original Assignee
Toyo Soda Mfg Co Ltd
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 by Toyo Soda Mfg Co Ltd filed Critical Toyo Soda Mfg Co Ltd
Publication of BE798598A publication Critical patent/BE798598A/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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BE130314A 1972-06-10 1973-04-24 Procede de purification de l'acide phosphorique BE798598A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5800872A JPS5333960B2 (fr) 1972-06-10 1972-06-10

Publications (1)

Publication Number Publication Date
BE798598A true BE798598A (fr) 1973-10-24

Family

ID=13071930

Family Applications (1)

Application Number Title Priority Date Filing Date
BE130314A BE798598A (fr) 1972-06-10 1973-04-24 Procede de purification de l'acide phosphorique

Country Status (10)

Country Link
US (1) US3920797A (fr)
JP (1) JPS5333960B2 (fr)
BE (1) BE798598A (fr)
BR (1) BR7302857D0 (fr)
DE (1) DE2321882C3 (fr)
FR (1) FR2187690B1 (fr)
GB (1) GB1379351A (fr)
IL (1) IL42125A (fr)
IT (1) IT988237B (fr)
NL (1) NL161421C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605106C2 (de) * 1976-02-10 1984-06-14 Hoechst Ag, 6230 Frankfurt Verfahren und Vorrichtung zur Herstellung von alkoholischen Phosphorsäurelösungen aus sauren Phosphaten
US4203956A (en) * 1976-02-10 1980-05-20 Hoechst Aktiengesellschaft Process and apparatus for recovering alcoholic phosphoric acid solutions from acid phosphates
JPS5355495A (en) * 1976-10-29 1978-05-19 Toyo Soda Mfg Co Ltd Purifying method for wet process phosphoric acid
US4197280A (en) * 1978-10-02 1980-04-08 Stauffer Chemical Company Wet process phosphoric acid purification
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
DE102016212242B4 (de) 2016-07-05 2019-02-07 Technische Universität Bergakademie Freiberg Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955918A (en) * 1956-08-24 1960-10-11 Monsanto Chemicals Purification of phosphoric acid
GB1053929A (fr) * 1962-12-06
US3338674A (en) * 1963-05-09 1967-08-29 Avraham M Baniel Process for preparation of substantially pure phosphoric acid
GB1060201A (en) * 1965-02-01 1967-03-01 Imp Smelting Corp Ltd Improvements in or relating to the separation of zinc from cadmium
NL6904478A (fr) * 1968-03-28 1969-09-30
US3595613A (en) * 1968-07-01 1971-07-27 Allied Chem Production of phosphoric acid
US3723606A (en) * 1970-12-21 1973-03-27 Allied Chem Production of phosphoric acid

Also Published As

Publication number Publication date
IL42125A (en) 1977-03-31
NL161421B (nl) 1979-09-17
NL161421C (nl) 1980-02-15
IL42125A0 (en) 1973-06-29
FR2187690B1 (fr) 1976-09-10
JPS4917399A (fr) 1974-02-15
IT988237B (it) 1975-04-10
FR2187690A1 (fr) 1974-01-18
BR7302857D0 (pt) 1974-02-19
DE2321882C3 (de) 1979-03-01
DE2321882B2 (de) 1978-06-29
US3920797A (en) 1975-11-18
DE2321882A1 (de) 1973-12-20
GB1379351A (en) 1975-01-02
NL7305245A (fr) 1973-12-12
JPS5333960B2 (fr) 1978-09-18

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: TOYA SODA MFG CO. LTD

Effective date: 19920430