DE69313373T2 - Verfahren zur Herstellung von Calciumsulfat - Google Patents
Verfahren zur Herstellung von CalciumsulfatInfo
- Publication number
- DE69313373T2 DE69313373T2 DE69313373T DE69313373T DE69313373T2 DE 69313373 T2 DE69313373 T2 DE 69313373T2 DE 69313373 T DE69313373 T DE 69313373T DE 69313373 T DE69313373 T DE 69313373T DE 69313373 T2 DE69313373 T2 DE 69313373T2
- Authority
- DE
- Germany
- Prior art keywords
- preparation
- calcium sulfate
- sulfate
- calcium
- 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 - Fee Related
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
-
- 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
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor
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)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929213998A GB9213998D0 (en) | 1992-07-01 | 1992-07-01 | Process for preparing calcium sulphate |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69313373D1 DE69313373D1 (de) | 1997-10-02 |
DE69313373T2 true DE69313373T2 (de) | 1998-01-02 |
Family
ID=10718039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69313373T Expired - Fee Related DE69313373T2 (de) | 1992-07-01 | 1993-06-08 | Verfahren zur Herstellung von Calciumsulfat |
Country Status (10)
Country | Link |
---|---|
US (1) | US5376351A (de) |
EP (1) | EP0577272B1 (de) |
JP (1) | JP3393154B2 (de) |
CA (1) | CA2099041C (de) |
DE (1) | DE69313373T2 (de) |
ES (1) | ES2106968T3 (de) |
FI (1) | FI104419B (de) |
GB (1) | GB9213998D0 (de) |
MY (1) | MY110367A (de) |
ZA (1) | ZA934232B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2095184B1 (es) * | 1994-07-15 | 1997-09-01 | Compania General Yesera S A | Procedimiento para la obtencion de una carga radial especialmente para uso en la industria papelera, producto de carga formado por cocristalizacion de sulfatos de calcio anhidro y hemihidrato y composicion util para la preparacion de dicha carga. |
WO1996023729A1 (es) * | 1995-01-31 | 1996-08-08 | Compañia General Yesera, S.A. | Procedimiento para obtener una carga de sulfato de calcio dihidrato en forma de cristales aciculares y su empleo en la industria papelera |
JPH08283018A (ja) * | 1995-04-12 | 1996-10-29 | Kowa:Kk | 石膏の製造方法 |
US5590983A (en) * | 1995-09-05 | 1997-01-07 | Angell; Edwin C. | Method of improving soil irrigation with an improved solution grade calcium sulfate dihydrate |
DE19812260A1 (de) | 1998-03-20 | 1999-09-23 | Bayer Ag | Verfahren zur Herstellung von Eisenoxid-Pigmenten aus Dünnsäure aus der TiO¶2¶-Herstellung |
DE19812261A1 (de) | 1998-03-20 | 1999-09-23 | Bayer Ag | Verfahren zur Aufarbeitung von Dünnsäure aus der TiO¶2¶-Herstellung |
DE19812262A1 (de) | 1998-03-20 | 1999-09-23 | Bayer Ag | Verfahren zur Aufarbeitung von Dünnsäure aus der TiO2-Herstellung |
EP2192088A1 (de) | 2008-11-25 | 2010-06-02 | Ferro Duo GmbH | Verfahren zur Herstellung von Calciumhydroxid |
RU2445267C1 (ru) * | 2010-07-23 | 2012-03-20 | Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам им. проф. Я.В. Самойлова" (ОАО "НИУИФ") | Способ получения сульфата кальция |
CN104016398B (zh) * | 2014-06-23 | 2016-07-06 | 武善东 | 一种利用工业废水中的稀硫酸生产硫酸盐的方法 |
CN104211104B (zh) * | 2014-08-23 | 2018-11-23 | 耿兆翔 | 火力煤电厂烟气脱硫石膏废渣的分离回收利用方法 |
CN104499040B (zh) * | 2014-12-05 | 2017-06-30 | 上海宝冶钢渣综合开发实业有限公司 | 一种制备石膏晶须的方法 |
CN111484062A (zh) * | 2020-04-15 | 2020-08-04 | 江苏一夫科技股份有限公司 | 一种二水硫酸钙、其制备方法和用途 |
US20230180805A1 (en) * | 2021-12-15 | 2023-06-15 | EFCO Products Inc. | Opacifying Agents |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1467292A1 (de) * | 1963-08-24 | 1969-01-23 | Yawata Chem Ind Co Ltd | Verfahren zur kontinuierlichen Herstellung von Gips und Eisenoxyd |
FR2048120A5 (de) * | 1969-06-02 | 1971-03-19 | Strauch Dieter | |
JPS5143478B2 (de) * | 1972-10-23 | 1976-11-22 | ||
JPS5146679B2 (de) * | 1973-03-23 | 1976-12-10 | ||
JPS51109295A (ja) * | 1975-03-22 | 1976-09-28 | Idemitsu Kosan Co | Kaishitsusaretaketsushoseisetsukoseninoseizohoho |
JPS51141793A (en) * | 1975-06-02 | 1976-12-06 | Asahi Chem Ind Co Ltd | Method of forming calcium sulfate whisker |
JPS5211193A (en) * | 1975-07-17 | 1977-01-27 | Idemitsu Kosan Co Ltd | Production of crystalline gypsum fiber |
DE2621611C3 (de) * | 1976-05-14 | 1981-06-25 | Skw Trostberg Ag, 8223 Trostberg | Anorganische Fasern, Verfahren zu deren Herstellung sowie deren Verwendung |
JPS5315292A (en) * | 1976-07-29 | 1978-02-10 | Chiyoda Chem Eng & Constr Co Ltd | Production of high-strength needle crystals of gypsum |
JPS5342195A (en) * | 1976-09-28 | 1978-04-17 | Onoda Cement Co Ltd | Production of long-fibered hemihydrate gypsum crystals |
JPS5825080B2 (ja) * | 1976-10-22 | 1983-05-25 | 関谷 道雄 | 繊維状硫酸カルシウムの製造法 |
JPS5351199A (en) * | 1976-10-22 | 1978-05-10 | Michio Sekiya | Manufacturing process for hydrate of crystalline calcium sulfate |
DE2702098A1 (de) * | 1977-01-19 | 1978-07-20 | Bayer Ag | Verfahren zur herstellung und die verwendung von whiskern aus calciumsulfat |
JPS5913448B2 (ja) * | 1977-12-14 | 1984-03-29 | 日本ハ−ドバ−ド工業株式会社 | 嵩高い硫酸カルシウム二水塩針状結晶の製造方法および該方法に用いられる装置 |
JPS5490098A (en) * | 1977-12-28 | 1979-07-17 | Idemitsu Kosan Co Ltd | Method of producing fibrous gypsum |
JPS5673628A (en) * | 1979-11-20 | 1981-06-18 | Kubota Ltd | Manufacture of gypsum fiber |
SE8302590L (sv) * | 1983-05-06 | 1984-11-07 | Boliden Ab | Forfarande for framstellning av fibergips (i) |
JP2768713B2 (ja) * | 1989-01-11 | 1998-06-25 | 住友林業株式会社 | ▲ii▼型無水セッコウ繊維の製造方法 |
FR2647433B1 (fr) * | 1989-05-23 | 1991-10-31 | Lafarge Coppee Da | Procede de preparation par voie aqueuse de sulfate de calcium purifie |
-
1992
- 1992-07-01 GB GB929213998A patent/GB9213998D0/en active Pending
-
1993
- 1993-06-08 DE DE69313373T patent/DE69313373T2/de not_active Expired - Fee Related
- 1993-06-08 ES ES93304447T patent/ES2106968T3/es not_active Expired - Lifetime
- 1993-06-08 EP EP93304447A patent/EP0577272B1/de not_active Expired - Lifetime
- 1993-06-15 ZA ZA934232A patent/ZA934232B/xx unknown
- 1993-06-23 CA CA002099041A patent/CA2099041C/en not_active Expired - Fee Related
- 1993-06-28 US US08/082,105 patent/US5376351A/en not_active Expired - Fee Related
- 1993-06-28 MY MYPI93001254A patent/MY110367A/en unknown
- 1993-06-30 JP JP16260793A patent/JP3393154B2/ja not_active Expired - Fee Related
- 1993-06-30 FI FI933005A patent/FI104419B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP3393154B2 (ja) | 2003-04-07 |
ZA934232B (en) | 1994-01-12 |
FI933005A0 (fi) | 1993-06-30 |
DE69313373D1 (de) | 1997-10-02 |
FI104419B (fi) | 2000-01-31 |
JPH0692632A (ja) | 1994-04-05 |
US5376351A (en) | 1994-12-27 |
MY110367A (en) | 1998-04-30 |
EP0577272A1 (de) | 1994-01-05 |
FI933005A (fi) | 1994-01-02 |
ES2106968T3 (es) | 1997-11-16 |
GB9213998D0 (en) | 1992-08-12 |
CA2099041C (en) | 2003-09-09 |
EP0577272B1 (de) | 1997-08-27 |
CA2099041A1 (en) | 1994-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |