IT995242B - Procedimento di calcinazione continua di gesso idrato - Google Patents
Procedimento di calcinazione continua di gesso idratoInfo
- Publication number
- IT995242B IT995242B IT28403/73A IT2840373A IT995242B IT 995242 B IT995242 B IT 995242B IT 28403/73 A IT28403/73 A IT 28403/73A IT 2840373 A IT2840373 A IT 2840373A IT 995242 B IT995242 B IT 995242B
- Authority
- IT
- Italy
- Prior art keywords
- calcination process
- continuous calcination
- hydrate plaster
- plaster
- hydrate
- 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
- 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 (1)
| Publication Number | Publication Date |
|---|---|
| IT995242B true IT995242B (it) | 1975-11-10 |
Family
ID=10416421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT28403/73A IT995242B (it) | 1972-09-01 | 1973-08-30 | Procedimento di calcinazione continua di gesso idrato |
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 |
| EP0294415B1 (de) * | 1986-12-18 | 1990-10-03 | GEBHARD, Georg, Dr. | Verfahren zur in-situ-gewinnung von calciumsulfathalbhydrat und/oder calciumsulfat (anhydrit) aus dem wäscher einer nassen rauchgasentschwefelungsanlage |
| DE3709393A1 (de) * | 1987-03-21 | 1988-09-29 | Saarbergwerke Ag | Verfahren zur umwandlung von calciumsulfatdihydrat in (alpha)-halbhydrat |
| MY150755A (en) | 2006-12-20 | 2014-02-28 | Nugyp Corp | 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 |
| CN113811405B (zh) | 2019-03-29 | 2024-02-27 | 鼓德温公开有限公司 | 熔模粉末 |
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 CA CA178,929A patent/CA999118A/en not_active Expired
- 1973-08-16 IE IE1414/73A patent/IE38093B1/xx unknown
- 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 US US392389A patent/US3898316A/en not_active Expired - Lifetime
- 1973-08-28 DK DK472673A patent/DK148630C/da not_active IP Right Cessation
- 1973-08-29 CH CH1238373A patent/CH575352A5/xx not_active IP Right Cessation
- 1973-08-29 BE BE135061A patent/BE804162A/xx not_active IP Right Cessation
- 1973-08-30 FR FR7331474A patent/FR2197817B1/fr not_active Expired
- 1973-08-30 SE SE7311825A patent/SE382627B/xx unknown
- 1973-08-30 DE DE19732343851 patent/DE2343851A1/de active Pending
- 1973-08-30 LU LU68331A patent/LU68331A1/xx unknown
- 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
- 1973-08-31 JP JP48098169A patent/JPS4993410A/ja active Pending
- 1973-08-31 NL NL7312078A patent/NL7312078A/xx active Search and Examination
- 1973-09-03 AT AT764673A patent/AT339806B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7312078A (US07122547-20061017-C00224.png) | 1974-03-05 |
| NO136146C (no) | 1977-07-27 |
| SE382627B (sv) | 1976-02-09 |
| ES418262A1 (es) | 1976-03-01 |
| GB1438632A (en) | 1976-06-09 |
| CA999118A (en) | 1976-11-02 |
| FR2197817A1 (US07122547-20061017-C00224.png) | 1974-03-29 |
| US3898316A (en) | 1975-08-05 |
| IE38093L (en) | 1974-03-01 |
| FR2197817B1 (US07122547-20061017-C00224.png) | 1980-01-11 |
| CH575352A5 (US07122547-20061017-C00224.png) | 1976-05-14 |
| AT339806B (de) | 1977-11-10 |
| IN140347B (US07122547-20061017-C00224.png) | 1976-10-23 |
| DK148630B (da) | 1985-08-19 |
| JPS4993410A (US07122547-20061017-C00224.png) | 1974-09-05 |
| AU5959873A (en) | 1975-02-27 |
| BE804162A (fr) | 1973-12-17 |
| ZA735661B (en) | 1974-07-31 |
| IE38093B1 (en) | 1977-12-21 |
| ATA764673A (de) | 1977-02-15 |
| DK148630C (da) | 1986-01-20 |
| AU477312B2 (en) | 1976-10-21 |
| LU68331A1 (US07122547-20061017-C00224.png) | 1973-11-12 |
| DE2343851A1 (de) | 1974-03-21 |
| NO136146B (no) | 1977-04-18 |
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