FI104419B - Menetelmä kalsiumsulfaatin valmistamiseksi - Google Patents
Menetelmä kalsiumsulfaatin valmistamiseksi Download PDFInfo
- Publication number
- FI104419B FI104419B FI933005A FI933005A FI104419B FI 104419 B FI104419 B FI 104419B FI 933005 A FI933005 A FI 933005A FI 933005 A FI933005 A FI 933005A FI 104419 B FI104419 B FI 104419B
- Authority
- FI
- Finland
- Prior art keywords
- sulfuric acid
- calcium carbonate
- process according
- calcium
- slurry
- 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
-
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929213998A GB9213998D0 (en) | 1992-07-01 | 1992-07-01 | Process for preparing calcium sulphate |
GB9213998 | 1992-07-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI933005A0 FI933005A0 (fi) | 1993-06-30 |
FI933005A FI933005A (fi) | 1994-01-02 |
FI104419B true FI104419B (fi) | 2000-01-31 |
Family
ID=10718039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI933005A FI104419B (fi) | 1992-07-01 | 1993-06-30 | Menetelmä kalsiumsulfaatin valmistamiseksi |
Country Status (10)
Country | Link |
---|---|
US (1) | US5376351A (fr) |
EP (1) | EP0577272B1 (fr) |
JP (1) | JP3393154B2 (fr) |
CA (1) | CA2099041C (fr) |
DE (1) | DE69313373T2 (fr) |
ES (1) | ES2106968T3 (fr) |
FI (1) | FI104419B (fr) |
GB (1) | GB9213998D0 (fr) |
MY (1) | MY110367A (fr) |
ZA (1) | ZA934232B (fr) |
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. |
EP0757971A1 (fr) * | 1995-01-31 | 1997-02-12 | Compania General Yesera, S.A. | Procede d'obtention d'une charge de sulfate de calcium dihydrate sous la forme de cristaux aciculaires, et son utilisation dans l'industrie du papier |
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 |
DE19812262A1 (de) | 1998-03-20 | 1999-09-23 | Bayer Ag | Verfahren zur Aufarbeitung von Dünnsäure aus der TiO2-Herstellung |
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 |
EP2192088A1 (fr) | 2008-11-25 | 2010-06-02 | Ferro Duo GmbH | Procédé de fabrication d'hydroxydes de calcium |
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 (fr) * | 1969-06-02 | 1971-03-19 | Strauch Dieter | |
JPS5143478B2 (fr) * | 1972-10-23 | 1976-11-22 | ||
JPS5146679B2 (fr) * | 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 |
JPS5351199A (en) * | 1976-10-22 | 1978-05-10 | Michio Sekiya | Manufacturing process for hydrate of crystalline calcium sulfate |
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 |
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 EP EP93304447A patent/EP0577272B1/fr not_active Expired - Lifetime
- 1993-06-08 ES ES93304447T patent/ES2106968T3/es not_active Expired - Lifetime
- 1993-06-15 ZA ZA934232A patent/ZA934232B/xx unknown
- 1993-06-23 CA CA002099041A patent/CA2099041C/fr not_active Expired - Fee Related
- 1993-06-28 MY MYPI93001254A patent/MY110367A/en unknown
- 1993-06-28 US US08/082,105 patent/US5376351A/en not_active Expired - Fee Related
- 1993-06-30 FI FI933005A patent/FI104419B/fi not_active IP Right Cessation
- 1993-06-30 JP JP16260793A patent/JP3393154B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
MY110367A (en) | 1998-04-30 |
JPH0692632A (ja) | 1994-04-05 |
CA2099041C (fr) | 2003-09-09 |
EP0577272A1 (fr) | 1994-01-05 |
CA2099041A1 (fr) | 1994-01-02 |
GB9213998D0 (en) | 1992-08-12 |
DE69313373T2 (de) | 1998-01-02 |
JP3393154B2 (ja) | 2003-04-07 |
EP0577272B1 (fr) | 1997-08-27 |
US5376351A (en) | 1994-12-27 |
FI933005A (fi) | 1994-01-02 |
DE69313373D1 (de) | 1997-10-02 |
FI933005A0 (fi) | 1993-06-30 |
ES2106968T3 (es) | 1997-11-16 |
ZA934232B (en) | 1994-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |