BE892717A - Procede d'obtention de l'acide phosphorique d'extraction - Google Patents

Procede d'obtention de l'acide phosphorique d'extraction

Info

Publication number
BE892717A
BE892717A BE0/207723A BE207723A BE892717A BE 892717 A BE892717 A BE 892717A BE 0/207723 A BE0/207723 A BE 0/207723A BE 207723 A BE207723 A BE 207723A BE 892717 A BE892717 A BE 892717A
Authority
BE
Belgium
Prior art keywords
extraction acid
obtaining phosphoric
phosphoric
obtaining
extraction
Prior art date
Application number
BE0/207723A
Other languages
English (en)
French (fr)
Original Assignee
Zotov Boris G
Zaitsev Viktor A
Morozov Albert V
Kiprianov Jury I
Kolganova Tamara G
Kunina Gertruda A
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 Zotov Boris G, Zaitsev Viktor A, Morozov Albert V, Kiprianov Jury I, Kolganova Tamara G, Kunina Gertruda A filed Critical Zotov Boris G
Priority to BE0/207723A priority Critical patent/BE892717A/fr
Priority to FR8205764A priority patent/FR2524457A1/fr
Publication of BE892717A publication Critical patent/BE892717A/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
    • C01B25/22—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)
BE0/207723A 1982-03-31 1982-03-31 Procede d'obtention de l'acide phosphorique d'extraction BE892717A (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
BE892717 1982-03-31
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

Publications (1)

Publication Number Publication Date
BE892717A true BE892717A (fr) 1982-09-30

Family

ID=27158726

Family Applications (1)

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

Country Status (2)

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

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
FR2524457B1 (enrdf_load_stackoverflow) 1984-06-22

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: KUNINA GERTRUDA A.

Effective date: 19920331

Owner name: KHRIPUNOV NIKOLAI F.

Effective date: 19920331

Owner name: MOROZOV ALBERT V.

Effective date: 19920331

Owner name: KIPRIANOV JURY I.

Effective date: 19920331

Owner name: ZAITSEV VIKTOR A.

Effective date: 19920331

Owner name: KOLGANOVA TAMARA G.

Effective date: 19920331

Owner name: MUKHIN IGOR P.

Effective date: 19920331

Owner name: ZOTOV BORIS G.

Effective date: 19920331