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FR2319576A1 - Procede de production d'acide phosphorique a partir de minerai de phosphate de calcium - Google Patents

Procede de production d'acide phosphorique a partir de minerai de phosphate de calcium

Info

Publication number
FR2319576A1
FR2319576A1 FR7623508A FR7623508A FR2319576A1 FR 2319576 A1 FR2319576 A1 FR 2319576A1 FR 7623508 A FR7623508 A FR 7623508A FR 7623508 A FR7623508 A FR 7623508A FR 2319576 A1 FR2319576 A1 FR 2319576A1
Authority
FR
France
Prior art keywords
production
phosphoric acid
calcium phosphate
phosphate ore
ore
Prior art date
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.)
Granted
Application number
FR7623508A
Other languages
English (en)
Other versions
FR2319576B3 (fr
Inventor
Thomas Alan Williams
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solvay Solutions UK Ltd
Original Assignee
Albright and Wilson 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 Albright and Wilson Ltd filed Critical Albright and Wilson Ltd
Publication of FR2319576A1 publication Critical patent/FR2319576A1/fr
Application granted granted Critical
Publication of FR2319576B3 publication Critical patent/FR2319576B3/fr
Granted 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
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR7623508A 1975-08-01 1976-07-30 Procede de production d'acide phosphorique a partir de minerai de phosphate de calcium Granted FR2319576A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32352/75A GB1557663A (en) 1975-08-01 1975-08-01 Process for preparing phosphore acid

Publications (2)

Publication Number Publication Date
FR2319576A1 true FR2319576A1 (fr) 1977-02-25
FR2319576B3 FR2319576B3 (fr) 1979-04-27

Family

ID=10337301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7623508A Granted FR2319576A1 (fr) 1975-08-01 1976-07-30 Procede de production d'acide phosphorique a partir de minerai de phosphate de calcium

Country Status (7)

Country Link
US (1) US4071603A (fr)
BE (1) BE844706A (fr)
DE (1) DE2634695A1 (fr)
FR (1) FR2319576A1 (fr)
GB (1) GB1557663A (fr)
NL (1) NL7608489A (fr)
ZA (1) ZA764515B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492358A1 (fr) * 1980-10-20 1982-04-23 Davy Mckee Ltd Procede de fabrication d'acide phosphorique par voie humide a partir de roche phosphatee

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2305605B1 (fr) * 2008-07-31 2018-03-28 Yoshino Gypsum Co., Ltd. Procédé permettant la modification en continu du gypse dihydraté

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL270658A (fr) * 1960-10-26
CA718837A (en) * 1962-06-23 1965-09-28 Toyo Engineering Corporation Wet-process phosphoric acid manufacture by the semihydrate-dihydrate calcium sulphate method
US3416887A (en) * 1964-08-05 1968-12-17 Central Glass Co Ltd Method of manufacturing wet process phosphoric acid
GB1135951A (en) * 1965-02-12 1968-12-11 Fisons Ltd Phosphoric acid
US3522003A (en) * 1966-01-03 1970-07-28 Pullman Inc Process and apparatus for producing phosphoric acid from phosphate rock
US3523754A (en) * 1966-04-02 1970-08-11 Central Glass Co Ltd Process for preparing phosphoric acil
US3453076A (en) * 1966-05-09 1969-07-01 Lummus Co Phosphoric acid process
US3552918A (en) * 1966-11-08 1971-01-05 Dorr Oliver Inc Process for the production of phosphoric acid
GB1209911A (en) * 1967-02-01 1970-10-21 Marchon Products Ltd Manufacture of phosphoric acid
US3653826A (en) * 1967-09-21 1972-04-04 Nissan Chemical Ind Ltd Process for the production of phosphoric acid at a high concentration and a gypsum by-product of improved quality
US3627485A (en) * 1968-11-05 1971-12-14 Nippon Kokan Kk Method of producing calcium sulfate dihydrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492358A1 (fr) * 1980-10-20 1982-04-23 Davy Mckee Ltd Procede de fabrication d'acide phosphorique par voie humide a partir de roche phosphatee

Also Published As

Publication number Publication date
BE844706A (fr) 1977-01-31
US4071603A (en) 1978-01-31
DE2634695A1 (de) 1977-02-10
NL7608489A (nl) 1977-02-03
ZA764515B (en) 1977-07-27
GB1557663A (en) 1979-12-12
FR2319576B3 (fr) 1979-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse