BE791820Q - Fabrication de l'acide phosphorique - Google Patents

Fabrication de l'acide phosphorique

Info

Publication number
BE791820Q
BE791820Q BE791820DA BE791820Q BE 791820 Q BE791820 Q BE 791820Q BE 791820D A BE791820D A BE 791820DA BE 791820 Q BE791820 Q BE 791820Q
Authority
BE
Belgium
Prior art keywords
manufacture
phosphoric acid
phosphoric
acid
Prior art date
Application number
Other languages
English (en)
Inventor
Progil
Original Assignee
Rhone Progil
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.)
Publication date
Application granted granted Critical
Publication of BE791820Q publication Critical patent/BE791820Q/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
    • C01B25/237—Selective elimination of impurities
    • 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
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • 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
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
    • C01B25/225—Dihydrate process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
BE791820D 1961-04-20 Fabrication de l'acide phosphorique BE791820Q (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR859273A FR1294872A (fr) 1961-04-20 1961-04-20 Fabrication de l'acide phosphorique

Publications (1)

Publication Number Publication Date
BE791820Q true BE791820Q (fr) 1973-03-16

Family

ID=8753425

Family Applications (1)

Application Number Title Priority Date Filing Date
BE791820D BE791820Q (fr) 1961-04-20 Fabrication de l'acide phosphorique

Country Status (6)

Country Link
US (1) US3124419A (fr)
BE (1) BE791820Q (fr)
DE (1) DE1265725B (fr)
FR (1) FR1294872A (fr)
GB (1) GB986154A (fr)
NL (1) NL277211A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0164087A3 (en) * 1984-06-08 1988-03-30 Basf Aktiengesellschaft Process for reducing the sulphuric acid and impurity content in wet-process phosphoric acid

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA718837A (en) * 1962-06-23 1965-09-28 Toyo Engineering Corporation Wet-process phosphoric acid manufacture by the semihydrate-dihydrate calcium sulphate method
US3388966A (en) * 1964-02-10 1968-06-18 Robert A. Macdonald Ammonium phosphate preparation
US3410656A (en) * 1966-06-01 1968-11-12 Fmc Corp Phosphoric acid purification
US3984525A (en) * 1967-02-01 1976-10-05 Albright & Wilson Limited Manufacture of phosphoric acid
US3619136A (en) * 1968-11-12 1971-11-09 Atlantic Richfield Co Process for producing phosphoric acid
US3956464A (en) * 1970-10-16 1976-05-11 Pennzoil Company Preparation of phosphates
US3943232A (en) * 1974-03-04 1976-03-09 Atlantic Richfield Company Process for the defluorination of dilute fluorine containing aqueous acid solutions
US4026995A (en) * 1976-02-11 1977-05-31 Atlantic Richfield Company Process for defluorination of commercial phosphoric acid
JPS5375196A (en) * 1976-12-15 1978-07-04 Central Glass Co Ltd Removing method for heavy metals from phosphoric acid solution
US4136199A (en) * 1977-06-27 1979-01-23 Occidental Chemical Company Metallic ion removal from phosphoric acid
LU80676A1 (fr) * 1978-12-19 1980-07-21 Metallurgie Hoboken Procede pour enlever des agents salissants de l'acide phosphorique
SE418845B (sv) 1979-05-10 1981-06-29 Boliden Ab Forfarande for rening av vatprocessfosforsyra
FR2464921A1 (fr) * 1979-09-07 1981-03-20 Grp Franco Senegal Etud Procede de traitement d'un phosphate aluminocalcique
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
US5536686A (en) * 1992-10-20 1996-07-16 The Research Foundation Of State University Of New York At Buffalo Phosphate binders for metal-matrix composites

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE20994E (en) * 1928-06-05 1939-01-31 Method of treating raw phosphate
US1787192A (en) * 1928-08-11 1930-12-30 Rumford Chemical Works Method of purifying phosphoric acid and the like
US2049032A (en) * 1932-07-02 1936-07-28 Dorr Co Inc Preparation of phosphoric acid
US2003051A (en) * 1933-07-05 1935-05-28 Victor Chemical Works Purification of strong phosphoric acid
US2106223A (en) * 1934-04-06 1938-01-25 Kemiska Patenter Ab Process for the manufacture of superphosphate
US2954284A (en) * 1958-02-13 1960-09-27 Ohio Commw Eng Co Fuel comprising a mixture of ammonium nitrate and metal particles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0164087A3 (en) * 1984-06-08 1988-03-30 Basf Aktiengesellschaft Process for reducing the sulphuric acid and impurity content in wet-process phosphoric acid

Also Published As

Publication number Publication date
NL277211A (fr)
FR1294872A (fr) 1962-06-01
DE1265725B (de) 1968-04-11
GB986154A (en) 1965-03-17
US3124419A (en) 1964-03-10

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