AT339806B - Verfahren zum kalzinieren von gips - Google Patents
Verfahren zum kalzinieren von gipsInfo
- Publication number
- AT339806B AT339806B AT764673A AT764673A AT339806B AT 339806 B AT339806 B AT 339806B AT 764673 A AT764673 A AT 764673A AT 764673 A AT764673 A AT 764673A AT 339806 B AT339806 B AT 339806B
- Authority
- AT
- Austria
- Prior art keywords
- calcinating
- plaster
- calcinating plaster
- Prior art date
Links
- 238000001354 calcination Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000011505 plaster Substances 0.000 title 1
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
- C04B11/024—Ingredients added before, or during, the calcining process, e.g. calcination modifiers
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)
- Building Environments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4074872A GB1438632A (en) | 1972-09-01 | 1972-09-01 | Calcination of gypsum |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA764673A ATA764673A (de) | 1977-02-15 |
AT339806B true AT339806B (de) | 1977-11-10 |
Family
ID=10416421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT764673A AT339806B (de) | 1972-09-01 | 1973-09-03 | Verfahren zum kalzinieren von gips |
Country Status (20)
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4744961A (en) * | 1985-04-25 | 1988-05-17 | United States Gypsum Company | Submerged combustion calcination |
WO1988004648A1 (en) * | 1986-12-18 | 1988-06-30 | Hoelter Heinz | Process for the in situ recovery of calcium sulfate hemihydrate and/or calcium sulfate (anhydrite) from the washing units a wet flue gas desulphurating plant |
DE3709393A1 (de) * | 1987-03-21 | 1988-09-29 | Saarbergwerke Ag | Verfahren zur umwandlung von calciumsulfatdihydrat in (alpha)-halbhydrat |
EP2061731B1 (en) * | 2006-12-20 | 2020-04-15 | Gypsum Technologies Inc. | Calcium sulfate hemihydrate treatment process |
GB0708382D0 (en) * | 2007-05-01 | 2007-06-06 | Bpb Plc | Gypsum based compositions |
US20150376063A1 (en) * | 2014-06-27 | 2015-12-31 | Boral Ip Holdings (Australia) Pty Limited | Ultra-Lightweight Gypsum Wallboard |
JP7532400B2 (ja) | 2019-03-29 | 2024-08-13 | グッドウィン ピーエルシー | インベストメント用粉末 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1370581A (en) * | 1920-03-08 | 1921-03-08 | United States Gypsum Co | Process of aging calcined gypsum products and product thereof |
US1960538A (en) * | 1932-03-25 | 1934-05-29 | Certain Teed Prod Corp | Process of producing cementitious material |
-
1972
- 1972-09-01 GB GB4074872A patent/GB1438632A/en not_active Expired
-
1973
- 1973-08-16 IE IE1414/73A patent/IE38093B1/xx unknown
- 1973-08-16 CA CA178,929A patent/CA999118A/en not_active Expired
- 1973-08-20 ZA ZA735661A patent/ZA735661B/xx unknown
- 1973-08-24 AU AU59598/73A patent/AU477312B2/en not_active Expired
- 1973-08-27 ES ES418262A patent/ES418262A1/es not_active Expired
- 1973-08-28 DK DK472673A patent/DK148630C/da not_active IP Right Cessation
- 1973-08-28 US US392389A patent/US3898316A/en not_active Expired - Lifetime
- 1973-08-29 BE BE135061A patent/BE804162A/xx not_active IP Right Cessation
- 1973-08-29 CH CH1238373A patent/CH575352A5/xx not_active IP Right Cessation
- 1973-08-30 NO NO3416/73A patent/NO136146C/no unknown
- 1973-08-30 IT IT28403/73A patent/IT995242B/it active
- 1973-08-30 IN IN1995/CAL/73A patent/IN140347B/en unknown
- 1973-08-30 SE SE7311825A patent/SE382627B/xx unknown
- 1973-08-30 LU LU68331A patent/LU68331A1/xx unknown
- 1973-08-30 DE DE19732343851 patent/DE2343851A1/de active Pending
- 1973-08-30 FR FR7331474A patent/FR2197817B1/fr not_active Expired
- 1973-08-31 NL NL7312078A patent/NL7312078A/xx active Search and Examination
- 1973-08-31 JP JP48098169A patent/JPS4993410A/ja active Pending
- 1973-09-03 AT AT764673A patent/AT339806B/de not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |