BE648519A - - Google Patents
Info
- Publication number
- BE648519A BE648519A BE648519DA BE648519A BE 648519 A BE648519 A BE 648519A BE 648519D A BE648519D A BE 648519DA BE 648519 A BE648519 A BE 648519A
- Authority
- BE
- Belgium
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)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Medicinal Preparation (AREA)
- Dental Preparations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB21304/63A GB1079502A (en) | 1963-05-28 | 1963-05-28 | Improvements in and relating to the production of calcium sulphate hemihydrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE648519A true BE648519A (xx) | 1964-09-16 |
Family
ID=10160619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE648519D BE648519A (xx) | 1963-05-28 | 1964-05-28 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3423172A (xx) |
| BE (1) | BE648519A (xx) |
| CH (1) | CH440091A (xx) |
| DE (1) | DE1471024A1 (xx) |
| GB (1) | GB1079502A (xx) |
| LU (1) | LU46178A1 (xx) |
| NL (1) | NL6405928A (xx) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3520708A (en) * | 1965-12-23 | 1970-07-14 | Berk Ltd | Manufacture of calcium sulphate hemihydrate |
| GB1547422A (en) * | 1975-03-31 | 1979-06-20 | Japan Government | Manufacture of gypsum |
| US4042666A (en) * | 1976-02-02 | 1977-08-16 | Petrochemicals Company, Inc. | Method of treating phosphate-containing material to reduce problem with clay swelling |
| US4183908A (en) * | 1977-06-24 | 1980-01-15 | Southern California Edison Company | Crystalline calcium sulfate dihydrate and process for making same |
| GB2011363B (en) * | 1977-12-29 | 1982-07-14 | Idemitsu Kosan Co | Production of calcium sulphate |
| US4309391A (en) * | 1980-12-03 | 1982-01-05 | United States Gypsum Company | Lump process alpha gypsum |
| DE3615717A1 (de) * | 1986-05-09 | 1987-11-12 | Benckiser Gmbh Joh A | Verfahren zur hydrothermalen umwandlung von rauchgasentschwefelungsgips in calciumsulfat-(alpha)-hemihydrat |
| DE3913243A1 (de) * | 1989-04-21 | 1990-10-25 | Univ Karlsruhe | Verfahren zur herstellung von dawsonit |
| EP0414937B1 (de) * | 1989-08-30 | 1992-10-21 | Rigips GmbH | Verfahren zur Herstellung von abbindefähigen Calciumsulfaten aus Calciumsulfat-Dihydrat |
| RU2009102816A (ru) * | 2006-06-29 | 2010-08-10 | Йосино Джипсум Ко., Лтд. (Jp) | Способы изготовления обожженного гипса и гипсовой плиты |
| EP2665689B1 (de) | 2011-01-17 | 2017-03-15 | Knauf Gips KG | Verfahren zur wiederverwendung von schleifstaub und abfallmaterial von gipskartonplatten |
| GB2497574B (en) | 2011-12-15 | 2019-10-02 | Saint Gobain Placo Sas | A method of forming a gypsum based product |
| CN106044826A (zh) * | 2016-05-26 | 2016-10-26 | 东南大学 | 一种用于生产α型高强石膏的转晶剂 |
| CN107721220A (zh) * | 2017-09-30 | 2018-02-23 | 中国科学院青海盐湖研究所 | 短柱状α‑半水石膏的制备方法 |
| CN110422868B (zh) * | 2019-05-17 | 2022-01-04 | 湖北民族大学 | 转晶剂、医用片状α-半水硫酸钙及其制备方法 |
| CN110451829B (zh) * | 2019-08-21 | 2022-02-08 | 苏州市兴邦化学建材有限公司 | 一种磷石膏改性剂及其制备方法 |
| CN110372237A (zh) * | 2019-08-29 | 2019-10-25 | 王安全 | 工业副产石膏制品无害化处理方法及系统 |
| EP4105178A1 (en) * | 2021-06-16 | 2022-12-21 | Saint-Gobain Placo | A process for the continuous preparation of alpha-calcium sulphate hemihydrate and an apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2913308A (en) * | 1953-07-07 | 1959-11-17 | United States Gypsum Co | Process for the production of high strength low consistency calcined gypsum |
| US2907668A (en) * | 1956-03-30 | 1959-10-06 | United States Gypsum Co | Calcination of gypsum |
| US3081152A (en) * | 1959-10-05 | 1963-03-12 | United States Gypsum Co | Process for calcination of gypsum |
-
1963
- 1963-05-28 GB GB21304/63A patent/GB1079502A/en not_active Expired
-
1964
- 1964-05-25 US US370023A patent/US3423172A/en not_active Expired - Lifetime
- 1964-05-27 NL NL6405928A patent/NL6405928A/xx unknown
- 1964-05-27 DE DE19641471024 patent/DE1471024A1/de not_active Withdrawn
- 1964-05-28 BE BE648519D patent/BE648519A/xx unknown
- 1964-05-28 LU LU46178D patent/LU46178A1/xx unknown
- 1964-05-28 CH CH694564A patent/CH440091A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| LU46178A1 (xx) | 1972-01-01 |
| DE1471024A1 (de) | 1969-04-10 |
| NL6405928A (xx) | 1964-11-30 |
| US3423172A (en) | 1969-01-21 |
| CH440091A (de) | 1967-07-15 |
| GB1079502A (en) | 1967-08-16 |