JPS56145116A - Continuous preparation of light gypsum - Google Patents
Continuous preparation of light gypsumInfo
- Publication number
- JPS56145116A JPS56145116A JP4803780A JP4803780A JPS56145116A JP S56145116 A JPS56145116 A JP S56145116A JP 4803780 A JP4803780 A JP 4803780A JP 4803780 A JP4803780 A JP 4803780A JP S56145116 A JPS56145116 A JP S56145116A
- Authority
- JP
- Japan
- Prior art keywords
- gypsum
- slurry
- reactor
- steam
- raw material
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000010440 gypsum Substances 0.000 title abstract 7
- 229910052602 gypsum Inorganic materials 0.000 title abstract 7
- 239000002002 slurry Substances 0.000 abstract 5
- 238000001027 hydrothermal synthesis Methods 0.000 abstract 2
- 239000002994 raw material Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 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
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4803780A JPS56145116A (en) | 1980-04-14 | 1980-04-14 | Continuous preparation of light gypsum |
CA000374609A CA1175209A (en) | 1980-04-14 | 1981-04-03 | Continuous process for the production of light-weight calcium sulfate |
GB8111034A GB2076791B (en) | 1980-04-14 | 1981-04-08 | Alpha calcium sulfate hemihydrate production |
DE3114363A DE3114363C2 (de) | 1980-04-14 | 1981-04-09 | Verfahren zur Herstellung von faserartigem, zumindest teilweise zu sphärischen Teilchen geformten Calciumsulfat-Hemihydrat vom α-Typ |
IT48251/81A IT1170883B (it) | 1980-04-14 | 1981-04-10 | Procedimento continuo per produrre solfato di calcio di peso leggero |
FR8107440A FR2480267A1 (fr) | 1980-04-14 | 1981-04-14 | Procede continu pour la production de sulfate de calcium de faible masse specifique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4803780A JPS56145116A (en) | 1980-04-14 | 1980-04-14 | Continuous preparation of light gypsum |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56145116A true JPS56145116A (en) | 1981-11-11 |
JPS6320785B2 JPS6320785B2 (ja) | 1988-04-30 |
Family
ID=12792108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4803780A Granted JPS56145116A (en) | 1980-04-14 | 1980-04-14 | Continuous preparation of light gypsum |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS56145116A (ja) |
CA (1) | CA1175209A (ja) |
DE (1) | DE3114363C2 (ja) |
FR (1) | FR2480267A1 (ja) |
GB (1) | GB2076791B (ja) |
IT (1) | IT1170883B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008506622A (ja) * | 2004-07-15 | 2008-03-06 | ユナイテッド・ステイツ・ジプサム・カンパニー | 焼成スタッコを冷却して脱蒸気するための装置及びプロセス |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3239669A1 (de) * | 1982-10-27 | 1984-05-03 | Joh. A. Benckiser Gmbh, 6700 Ludwigshafen | Kontinuierliches verfahren zur gewinnung von industriell verwertbarem gips aus industrie-abfallgips |
DE3536321A1 (de) * | 1985-10-11 | 1987-04-23 | Bischoff Gasreinigung | Verfahren und reaktor fuer die herstellung von alphahalbhydratgips aus calciumsulfatdihydrat von nach dem nasswaschverfahren mit kalk arbeitenden rauchgasentschwefelungsanlagen |
DE3615739A1 (de) * | 1986-05-09 | 1987-11-12 | Benckiser Gmbh Joh A | Kontinuierliches verfahren und vorrichtung zur gewinnung von industriell verwertbarem gips aus industrieabfallgips |
DE3711367A1 (de) * | 1987-04-04 | 1988-10-13 | Rwk Rhein Westfael Kalkwerke | Verfahren zur herstellung von calciumsulfat-halbhydrat |
DE3844938C2 (de) * | 1987-05-22 | 1996-09-19 | Pro Mineral Ges | Verfahren zur Erzeugung von Calciumsulfat-Alphahalbhydrat aus feinteiligem Calciumsulfat und dessen Verwendung |
WO1990011256A1 (en) * | 1989-03-16 | 1990-10-04 | The United States Gypsum Company | Process and apparatus for producing calcium sulfate microfibers |
CN103723757B (zh) * | 2012-10-10 | 2015-08-05 | 深圳兰度生物材料有限公司 | 医用级α-半水硫酸钙制备方法 |
EP3782725A1 (en) * | 2019-08-21 | 2021-02-24 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO | Reactor for the hydrothermal treatment of biomass |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1051849A (ja) * | 1963-12-03 | |||
US3576599A (en) * | 1963-12-03 | 1971-04-27 | Ici Ltd | Continuous process for the production of calcium suphate alpha-hemihydrate from gypsum |
JPS5143833A (ja) * | 1974-10-11 | 1976-04-14 | Nishida Marine Boiler | Kifukugeetosochi |
JPS5319366A (en) * | 1976-08-06 | 1978-02-22 | Mitsubishi Chem Ind Ltd | Resin compositions |
JPS5366895A (en) * | 1976-11-29 | 1978-06-14 | Idemitsu Kosan Co Ltd | Ultra lightweight spherical secondary particle gypsum and production thereof |
JPS5482397A (en) * | 1977-11-25 | 1979-06-30 | Certain Teed Prod Corp | Fibrous calcium sulfate |
JPS54131620A (en) * | 1978-04-04 | 1979-10-12 | Kubota Ltd | Method and apparatus for firing gypsum |
JPS54152692A (en) * | 1978-05-22 | 1979-12-01 | Kanegafuchi Chem Ind Co Ltd | Continuous manufacture of gypsum needle-like crystal |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3977890A (en) * | 1972-08-16 | 1976-08-31 | Johns-Manville Corporation | Method for the preparation of fibrous calcium sulfate hemihydrate |
JPS5187494A (en) * | 1975-01-31 | 1976-07-31 | Idemitsu Kosan Co | Setsukoisukaano seizohoho |
JPS53128624A (en) * | 1977-04-16 | 1978-11-09 | Idemitsu Kosan Co | Gypsum compound |
-
1980
- 1980-04-14 JP JP4803780A patent/JPS56145116A/ja active Granted
-
1981
- 1981-04-03 CA CA000374609A patent/CA1175209A/en not_active Expired
- 1981-04-08 GB GB8111034A patent/GB2076791B/en not_active Expired
- 1981-04-09 DE DE3114363A patent/DE3114363C2/de not_active Expired
- 1981-04-10 IT IT48251/81A patent/IT1170883B/it active
- 1981-04-14 FR FR8107440A patent/FR2480267A1/fr active Granted
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1051849A (ja) * | 1963-12-03 | |||
US3576599A (en) * | 1963-12-03 | 1971-04-27 | Ici Ltd | Continuous process for the production of calcium suphate alpha-hemihydrate from gypsum |
DE1646624A1 (de) * | 1963-12-03 | 1971-08-12 | Ici Ltd | Verfahren zur Herstellung von Calciumsulfat-alpha-halbhydrat aus Gips |
JPS5143833A (ja) * | 1974-10-11 | 1976-04-14 | Nishida Marine Boiler | Kifukugeetosochi |
JPS5319366A (en) * | 1976-08-06 | 1978-02-22 | Mitsubishi Chem Ind Ltd | Resin compositions |
JPS5366895A (en) * | 1976-11-29 | 1978-06-14 | Idemitsu Kosan Co Ltd | Ultra lightweight spherical secondary particle gypsum and production thereof |
JPS5482397A (en) * | 1977-11-25 | 1979-06-30 | Certain Teed Prod Corp | Fibrous calcium sulfate |
JPS54131620A (en) * | 1978-04-04 | 1979-10-12 | Kubota Ltd | Method and apparatus for firing gypsum |
JPS54152692A (en) * | 1978-05-22 | 1979-12-01 | Kanegafuchi Chem Ind Co Ltd | Continuous manufacture of gypsum needle-like crystal |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008506622A (ja) * | 2004-07-15 | 2008-03-06 | ユナイテッド・ステイツ・ジプサム・カンパニー | 焼成スタッコを冷却して脱蒸気するための装置及びプロセス |
Also Published As
Publication number | Publication date |
---|---|
FR2480267A1 (fr) | 1981-10-16 |
GB2076791B (en) | 1983-03-09 |
IT8148251A0 (it) | 1981-04-10 |
FR2480267B1 (ja) | 1984-12-28 |
GB2076791A (en) | 1981-12-09 |
IT1170883B (it) | 1987-06-03 |
DE3114363A1 (de) | 1982-03-04 |
CA1175209A (en) | 1984-10-02 |
JPS6320785B2 (ja) | 1988-04-30 |
DE3114363C2 (de) | 1985-12-05 |
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