JPS6320785B2 - - Google Patents
Info
- Publication number
- JPS6320785B2 JPS6320785B2 JP55048037A JP4803780A JPS6320785B2 JP S6320785 B2 JPS6320785 B2 JP S6320785B2 JP 55048037 A JP55048037 A JP 55048037A JP 4803780 A JP4803780 A JP 4803780A JP S6320785 B2 JPS6320785 B2 JP S6320785B2
- Authority
- JP
- Japan
- Prior art keywords
- gypsum
- reactor
- slurry
- present
- aqueous slurry
- 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.)
- Expired
Links
- 229910052602 gypsum Inorganic materials 0.000 claims description 35
- 239000010440 gypsum Substances 0.000 claims description 35
- 239000002002 slurry Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 9
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 5
- 239000000047 product Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 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 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 150000004683 dihydrates Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 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 JPS56145116A (en) | 1981-11-11 |
| JPS6320785B2 true JPS6320785B2 (de) | 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 (de) |
| CA (1) | CA1175209A (de) |
| DE (1) | DE3114363C2 (de) |
| FR (1) | FR2480267A1 (de) |
| GB (1) | GB2076791B (de) |
| IT (1) | IT1170883B (de) |
Families Citing this family (9)
| 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 |
| US7765813B2 (en) * | 2004-07-15 | 2010-08-03 | United States Gypsum Company | Apparatus and process for cooling and de-steaming calcined stucco |
| 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 (de) * | 2019-08-21 | 2021-02-24 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO | Reaktor zur hydrothermalen behandlung von biomasse |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1051849A (de) * | 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 (de) * | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1175209A (en) | 1984-10-02 |
| FR2480267B1 (de) | 1984-12-28 |
| JPS56145116A (en) | 1981-11-11 |
| FR2480267A1 (fr) | 1981-10-16 |
| IT1170883B (it) | 1987-06-03 |
| GB2076791A (en) | 1981-12-09 |
| IT8148251A0 (it) | 1981-04-10 |
| DE3114363C2 (de) | 1985-12-05 |
| GB2076791B (en) | 1983-03-09 |
| DE3114363A1 (de) | 1982-03-04 |
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