JPS5560024A - Method of refining and bleaching impurityycontained calcium sulfate - Google Patents
Method of refining and bleaching impurityycontained calcium sulfateInfo
- Publication number
- JPS5560024A JPS5560024A JP13696079A JP13696079A JPS5560024A JP S5560024 A JPS5560024 A JP S5560024A JP 13696079 A JP13696079 A JP 13696079A JP 13696079 A JP13696079 A JP 13696079A JP S5560024 A JPS5560024 A JP S5560024A
- Authority
- JP
- Japan
- Prior art keywords
- impurityycontained
- bleaching
- refining
- calcium sulfate
- sulfate
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/025—Calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paper (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7811216A SE417104B (sv) | 1978-10-30 | 1978-10-30 | Sett att rena respektive bleka fororenat kalciumsulfat avsedd att anvendas som pigment och/eller fyllmedel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5560024A true JPS5560024A (en) | 1980-05-06 |
| JPS5835937B2 JPS5835937B2 (ja) | 1983-08-05 |
Family
ID=20336216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP54136960A Expired JPS5835937B2 (ja) | 1978-10-30 | 1979-10-23 | 顔料又は充填剤の製造方法 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5835937B2 (ja) |
| CA (1) | CA1125456A (ja) |
| DE (1) | DE2943205A1 (ja) |
| ES (1) | ES485483A0 (ja) |
| FI (1) | FI66416B (ja) |
| FR (1) | FR2440386A1 (ja) |
| GB (1) | GB2032901B (ja) |
| IT (1) | IT1128747B (ja) |
| NL (1) | NL7907976A (ja) |
| SE (1) | SE417104B (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE441457C (sv) | 1978-10-30 | 1990-06-18 | Supra Ab | Saett att framstaella slamma foer bestrykningsmedel foer papper, kartong och liknande, innehaallande kalciumsulfat som pigment |
| FR2446256A1 (fr) * | 1979-01-12 | 1980-08-08 | Azote & Prod Chim | Procede de purification du gypse chimique |
| SE469475B (sv) * | 1990-10-29 | 1993-07-12 | Eka Nobel Ab | Saett att bleka partiklar innehaallande kalciumkarbonat |
| BE1005164A3 (fr) * | 1991-08-02 | 1993-05-11 | Prayon Rupel Technologies | Procede de preparation d'une suspension aqueuse a base de sulfate de calcium. |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5147598A (en) * | 1974-10-23 | 1976-04-23 | Denki Kagaku Kogyo Kk | Tansankarushiumuno hakushokudokairyoho |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE432675C (de) * | 1924-12-25 | 1926-08-07 | Hansa Phosphat U Mineral Muehl | Verfahren zur Reinigung und Bleichung von Schwerspat |
| DE485007C (de) * | 1926-04-04 | 1929-10-25 | Ludwig Kaiser | Verfahren zur Herstellung von reinem weissen und fein verteilten Barium- oder Calciumsulfat |
| DE491350C (de) * | 1926-12-11 | 1930-02-08 | Ludwig Kaiser | Verfahren zur Herstellung von reinem, weissem und fein verteiltem Barium- oder Calciumsulfat |
| DE537392C (de) * | 1928-02-10 | 1931-11-02 | Sachtleben Akt Ges Fuer Bergba | Verfahren zur Herstellung eines weissen transparentreinen Schwerspates |
| DE586007C (de) * | 1928-06-14 | 1933-10-14 | Peter Spence & Sons Ltd | Verfahren zur Herstellung fein verteilten und wasserfreien Calciumsulfates als Farbe |
| GB339797A (ja) * | 1928-12-18 | 1930-12-18 | Rene Perdu | |
| US2197003A (en) * | 1937-11-18 | 1940-04-16 | Glidden Co | Process for making pigments |
| US2522971A (en) * | 1947-04-19 | 1950-09-19 | C K William & Co | Method of bleaching barytes |
| DE1467470C2 (de) * | 1963-10-28 | 1974-06-12 | Pluess-Staufer Ag, Oftringen, Aargau (Schweiz) | Verbesserung des Weiß grades von Kreide, Calcit oder Dolomit |
| GB1394910A (en) * | 1972-10-23 | 1975-05-21 | Pluss Stauffer Ag | Process for the optical brightening of minerals |
-
1978
- 1978-10-30 SE SE7811216A patent/SE417104B/sv not_active IP Right Cessation
-
1979
- 1979-10-02 GB GB7934187A patent/GB2032901B/en not_active Expired
- 1979-10-10 IT IT50519/79A patent/IT1128747B/it active
- 1979-10-11 FI FI793163A patent/FI66416B/fi not_active Application Discontinuation
- 1979-10-23 JP JP54136960A patent/JPS5835937B2/ja not_active Expired
- 1979-10-25 DE DE19792943205 patent/DE2943205A1/de not_active Ceased
- 1979-10-29 FR FR7926726A patent/FR2440386A1/fr active Granted
- 1979-10-29 CA CA338,625A patent/CA1125456A/en not_active Expired
- 1979-10-29 ES ES485483A patent/ES485483A0/es active Granted
- 1979-10-30 NL NL7907976A patent/NL7907976A/nl not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5147598A (en) * | 1974-10-23 | 1976-04-23 | Denki Kagaku Kogyo Kk | Tansankarushiumuno hakushokudokairyoho |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1128747B (it) | 1986-06-04 |
| FI793163A7 (fi) | 1980-05-01 |
| FR2440386A1 (fr) | 1980-05-30 |
| CA1125456A (en) | 1982-06-15 |
| ES8102059A1 (es) | 1980-12-16 |
| FI66416B (fi) | 1984-06-29 |
| IT7950519A0 (it) | 1979-10-10 |
| FR2440386B1 (ja) | 1983-07-08 |
| SE7811216L (sv) | 1980-05-01 |
| JPS5835937B2 (ja) | 1983-08-05 |
| NL7907976A (nl) | 1980-05-02 |
| GB2032901B (en) | 1982-11-03 |
| SE417104B (sv) | 1981-02-23 |
| DE2943205A1 (de) | 1980-05-08 |
| ES485483A0 (es) | 1980-12-16 |
| GB2032901A (en) | 1980-05-14 |
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