ATA365880A - METHOD FOR PRODUCING GYPSUM HALF HYDRATE - Google Patents
METHOD FOR PRODUCING GYPSUM HALF HYDRATEInfo
- Publication number
- ATA365880A ATA365880A AT0365880A AT365880A ATA365880A AT A365880 A ATA365880 A AT A365880A AT 0365880 A AT0365880 A AT 0365880A AT 365880 A AT365880 A AT 365880A AT A365880 A ATA365880 A AT A365880A
- Authority
- AT
- Austria
- Prior art keywords
- producing gypsum
- half hydrate
- gypsum half
- hydrate
- producing
- Prior art date
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)
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 |
DE8181105169T DE3166319D1 (en) | 1980-07-14 | 1981-07-03 | Production of calcium-sulfate hemihydrate using waste heat, diluted sulfuric acid and sulfuric salts |
EP81105169A EP0044005B1 (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 |
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. |
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. |
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 true ATA365880A (en) | 1984-09-15 |
AT377752B 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)
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 |
-
1980
- 1980-07-14 AT AT0365880A patent/AT377752B/en not_active IP Right Cessation
-
1981
- 1981-02-17 DE DE19813105709 patent/DE3105709A1/en not_active Withdrawn
- 1981-05-22 BE BE0/204890A patent/BE888941A/en not_active IP Right Cessation
- 1981-07-13 ZA ZA814775A patent/ZA814775B/en unknown
Also Published As
Publication number | Publication date |
---|---|
AT377752B (en) | 1985-04-25 |
DE3105709A1 (en) | 1982-06-24 |
ZA814775B (en) | 1983-08-31 |
BE888941A (en) | 1981-09-16 |
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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 |