FR2524457B1 - - Google Patents

Info

Publication number
FR2524457B1
FR2524457B1 FR8205764A FR8205764A FR2524457B1 FR 2524457 B1 FR2524457 B1 FR 2524457B1 FR 8205764 A FR8205764 A FR 8205764A FR 8205764 A FR8205764 A FR 8205764A FR 2524457 B1 FR2524457 B1 FR 2524457B1
Authority
FR
France
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.)
Expired
Application number
FR8205764A
Other languages
French (fr)
Other versions
FR2524457A1 (fr
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.)
ZOTOV BORIS
Original Assignee
ZOTOV BORIS
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
Priority to BE0/207723A priority Critical patent/BE892717A/fr
Application filed by ZOTOV BORIS filed Critical ZOTOV BORIS
Priority to FR8205764A priority patent/FR2524457A1/fr
Publication of FR2524457A1 publication Critical patent/FR2524457A1/fr
Application granted granted Critical
Publication of FR2524457B1 publication Critical patent/FR2524457B1/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
    • 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
    • C01B25/226—Hemihydrate 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)
  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR8205764A 1982-03-31 1982-04-02 Procede d'obtention de l'acide phosphorique d'extraction Granted FR2524457A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE0/207723A BE892717A (fr) 1982-03-31 1982-03-31 Procede d'obtention de l'acide phosphorique d'extraction
FR8205764A FR2524457A1 (fr) 1982-03-31 1982-04-02 Procede d'obtention de l'acide phosphorique d'extraction

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE0/207723A BE892717A (fr) 1982-03-31 1982-03-31 Procede d'obtention de l'acide phosphorique d'extraction
BE892717 1982-03-31
FR8205764A FR2524457A1 (fr) 1982-03-31 1982-04-02 Procede d'obtention de l'acide phosphorique d'extraction

Publications (2)

Publication Number Publication Date
FR2524457A1 FR2524457A1 (fr) 1983-10-07
FR2524457B1 true FR2524457B1 (ko) 1984-06-22

Family

ID=27158726

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8205764A Granted FR2524457A1 (fr) 1982-03-31 1982-04-02 Procede d'obtention de l'acide phosphorique d'extraction

Country Status (2)

Country Link
BE (1) BE892717A (ko)
FR (1) FR2524457A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2644767A1 (fr) * 1989-03-22 1990-09-28 Voskresensky Ni Dispositif pour le refroidissement d'une masse reactionnelle dans un reacteur de production d'acide phosphorique
FR2659954A1 (fr) * 1990-03-22 1991-09-27 Voskresensky Ni Procede de preparation d'acide phosphorique.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU582198A1 (ru) * 1975-08-11 1977-11-30 Предприятие П/Я В-8830 Способ получени фосфорной кислоты

Also Published As

Publication number Publication date
FR2524457A1 (fr) 1983-10-07
BE892717A (fr) 1982-09-30

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Legal Events

Date Code Title Description
ST Notification of lapse