AT377752B - METHOD FOR PRODUCING GYPSUM HALF HYDRATE - Google Patents

METHOD FOR PRODUCING GYPSUM HALF HYDRATE

Info

Publication number
AT377752B
AT377752B AT0365880A AT365880A AT377752B AT 377752 B AT377752 B AT 377752B AT 0365880 A AT0365880 A AT 0365880A AT 365880 A AT365880 A AT 365880A AT 377752 B AT377752 B AT 377752B
Authority
AT
Austria
Prior art keywords
producing gypsum
half hydrate
gypsum half
hydrate
producing
Prior art date
Application number
AT0365880A
Other languages
German (de)
Other versions
ATA365880A (en
Original Assignee
Quante Heinrich
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 Quante Heinrich filed Critical Quante Heinrich
Priority to AT0365880A priority Critical patent/AT377752B/en
Priority to DE19813105709 priority patent/DE3105709A1/en
Priority to BE0/204890A priority patent/BE888941A/en
Priority to DE8181105169T priority patent/DE3166319D1/en
Priority to EP81105169A priority patent/EP0044005B1/en
Priority to SE8104272A priority patent/SE8104272L/en
Priority to US06/283,006 priority patent/US4432954A/en
Priority to ZA814775A priority patent/ZA814775B/en
Priority to NL8103353A priority patent/NL8103353A/en
Priority to DK314081A priority patent/DK314081A/en
Priority to ES503928A priority patent/ES8301849A1/en
Publication of ATA365880A publication Critical patent/ATA365880A/en
Application granted granted Critical
Publication of AT377752B publication Critical patent/AT377752B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
AT0365880A 1980-07-14 1980-07-14 METHOD FOR PRODUCING GYPSUM HALF HYDRATE AT377752B (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AT0365880A AT377752B (en) 1980-07-14 1980-07-14 METHOD FOR PRODUCING GYPSUM HALF HYDRATE
DE19813105709 DE3105709A1 (en) 1980-07-14 1981-02-17 Process for producing gypsum hemihydrate using waste heat
BE0/204890A BE888941A (en) 1980-07-14 1981-05-22 PROCESS AND PLANT FOR THE PREPARATION OF GYPSUM HEMI-HYDRATE, AND PRODUCTS THUS OBTAINED
EP81105169A EP0044005B1 (en) 1980-07-14 1981-07-03 Production of calcium-sulfate hemihydrate using waste heat, diluted sulfuric acid and sulfuric salts
DE8181105169T DE3166319D1 (en) 1980-07-14 1981-07-03 Production of calcium-sulfate hemihydrate using waste heat, diluted sulfuric acid and sulfuric salts
SE8104272A SE8104272L (en) 1980-07-14 1981-07-09 PROCEDURE FOR THE PREPARATION OF ALPHACALCIUM SULPHATE SEMI-HYDRATED, SUBSTITUTE FOR CALCINATION OF ROCK GAS DESULARATION CALCIUM SULPHATE DYHYDRATE OR CHEMICAL GRIP AND IMPLEMENTATIONS FOR IMPLEMENTATION
US06/283,006 US4432954A (en) 1980-07-14 1981-07-13 Production of gypsum hemihydrate with waste heat, aqueous H2 SO4 and sulfuric acid salts
ZA814775A ZA814775B (en) 1980-07-14 1981-07-13 Production of gypsum hemihydrate
NL8103353A NL8103353A (en) 1980-07-14 1981-07-14 METHOD AND APPARATUS FOR THE PREPARATION OF GYPSHEMIH HYDRATE USING WASTE HEAT, AQUEOUS H2SO4 AND SULFURIC SALTS.
DK314081A DK314081A (en) 1980-07-14 1981-07-14 PROCEDURE AND PLANT FOR THE PREPARATION OF ALPHAGIPS SEMI HYDRATE
ES503928A ES8301849A1 (en) 1980-07-14 1981-07-14 Production of calcium-sulfate hemihydrate using waste heat, diluted sulfuric acid and sulfuric salts.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0365880A AT377752B (en) 1980-07-14 1980-07-14 METHOD FOR PRODUCING GYPSUM HALF HYDRATE

Publications (2)

Publication Number Publication Date
ATA365880A ATA365880A (en) 1984-09-15
AT377752B true AT377752B (en) 1985-04-25

Family

ID=3553558

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0365880A AT377752B (en) 1980-07-14 1980-07-14 METHOD FOR PRODUCING GYPSUM HALF HYDRATE

Country Status (4)

Country Link
AT (1) AT377752B (en)
BE (1) BE888941A (en)
DE (1) DE3105709A1 (en)
ZA (1) ZA814775B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3331838A1 (en) * 1983-09-03 1985-03-21 Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen Process for converting the residue from flue gas desulphurisation plants to crystalline gypsum alpha-hemihydrate

Also Published As

Publication number Publication date
ZA814775B (en) 1983-08-31
DE3105709A1 (en) 1982-06-24
BE888941A (en) 1981-09-16
ATA365880A (en) 1984-09-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee