MA19388A1 - Method and installation for the production of calcium sulphate hemihydrate from calcium sulphate dihydrate using aqueous sulfuric acid, sulphate and heat recovery - Google Patents

Method and installation for the production of calcium sulphate hemihydrate from calcium sulphate dihydrate using aqueous sulfuric acid, sulphate and heat recovery

Info

Publication number: MA19388A1
Authority: MA; Morocco
Prior art keywords: sulphate; calcium sulphate; installation; production; sulfuric acid
Prior art date: 1981-02-17

Application number

MA19593A

Other languages

French (fr)

Inventor

Heinrich Quante

Original Assignee

His Handels & Ind

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.)

1981-02-17

Filing date

1982-02-17

Publication date

1982-10-01

1981-02-17 Priority claimed from DE19813105709 external-priority patent/DE3105709A1/en

1981-05-05 Priority claimed from DE19813117641 external-priority patent/DE3117641A1/en

1982-02-17 Application filed by His Handels & Ind filed Critical His Handels & Ind

1982-10-01 Publication of MA19388A1 publication Critical patent/MA19388A1/en

Links

QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title 2
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title 1
PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title 1
ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 title 1
238000009434 installation Methods 0.000 title 1
238000000034 method Methods 0.000 title 1
238000011084 recovery Methods 0.000 title 1
229910021653 sulphate ion Inorganic materials 0.000 title 1

MA19593A 1981-02-17 1982-02-17 Method and installation for the production of calcium sulphate hemihydrate from calcium sulphate dihydrate using aqueous sulfuric acid, sulphate and heat recovery MA19388A1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19813105709 DE3105709A1 (en)	1980-07-14	1981-02-17	Process for producing gypsum hemihydrate using waste heat
DE19813117641 DE3117641A1 (en)	1981-05-05	1981-05-05	Preparation of gypsum hemihydrate with thermal waste, aqueous H2SO4 and sulphuric acid salts

Publications (1)

Publication Number	Publication Date
MA19388A1 true MA19388A1 (en)	1982-10-01

Family

ID=32298992

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
MA19593A MA19388A1 (en)	1981-02-17	1982-02-17	Method and installation for the production of calcium sulphate hemihydrate from calcium sulphate dihydrate using aqueous sulfuric acid, sulphate and heat recovery

Country Status (1)

Country	Link
MA (1)	MA19388A1 (en)

1982
- 1982-02-17 MA MA19593A patent/MA19388A1/en unknown

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