DK108261C - Fremgangsmåde til forbedring af hvidhedsgraden af mineralske karbonater. - Google Patents
Fremgangsmåde til forbedring af hvidhedsgraden af mineralske karbonater.Info
- Publication number
- DK108261C DK108261C DK528764A DK528764A DK108261C DK 108261 C DK108261 C DK 108261C DK 528764 A DK528764 A DK 528764A DK 528764 A DK528764 A DK 528764A DK 108261 C DK108261 C DK 108261C
- Authority
- DK
- Denmark
- Prior art keywords
- whiteness
- improving
- mineral carbonates
- carbonates
- mineral
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
- C04B33/06—Rendering lime harmless
-
- 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
- C01F11/18—Carbonates
- C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/30—Drying methods
-
- 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
- C09C1/021—Calcium carbonates
-
- 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
- C09C1/021—Calcium carbonates
- C09C1/022—Treatment with inorganic compounds
-
- 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
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Removal Of Specific Substances (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1963P0032866 DE1467470C2 (de) | 1963-10-28 | 1963-10-28 | Verbesserung des Weiß grades von Kreide, Calcit oder Dolomit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK108261C true DK108261C (da) | 1967-10-30 |
Family
ID=7372956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK528764A DK108261C (da) | 1963-10-28 | 1964-10-27 | Fremgangsmåde til forbedring af hvidhedsgraden af mineralske karbonater. |
Country Status (10)
| Country | Link |
|---|---|
| AT (2) | AT262471B (de) |
| BE (1) | BE654931A (de) |
| CH (2) | CH486548A (de) |
| DE (1) | DE1467470C2 (de) |
| DK (1) | DK108261C (de) |
| FI (1) | FI42231B (de) |
| FR (1) | FR1420612A (de) |
| GB (1) | GB1069276A (de) |
| NL (1) | NL133420C (de) |
| SE (1) | SE303003B (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3659708A (en) * | 1968-11-04 | 1972-05-02 | Freeport Sulphur Co | Separation of discolorants from clay |
| US3616900A (en) * | 1969-07-09 | 1971-11-02 | Engelhard Min & Chem | Method for bleaching gray kaolin clay |
| SE417104B (sv) * | 1978-10-30 | 1981-02-23 | Supra Ab | Sett att rena respektive bleka fororenat kalciumsulfat avsedd att anvendas som pigment och/eller fyllmedel |
| FR2446256A1 (fr) * | 1979-01-12 | 1980-08-08 | Azote & Prod Chim | Procede de purification du gypse chimique |
| DE3014620A1 (de) * | 1980-04-16 | 1981-10-29 | MD Papierfabriken Heinrich Nicolaus GmbH, 8060 Dachau | Modifiziertes calciumcarbonat und verfahren zu dessen herstellung |
| DE3014622A1 (de) * | 1980-04-16 | 1981-10-29 | MD Papierfabriken Heinrich Nicolaus GmbH, 8060 Dachau | Fuellstoff enthaltende papier fuer schichtpressstoffe |
| DE3122218A1 (de) * | 1981-06-04 | 1982-12-23 | Peroxid-Chemie GmbH, 8023 Höllriegelskreuth | Verfahren zum aufhellen von naturkreide |
| US4793985A (en) * | 1982-08-23 | 1988-12-27 | J. M. Huber Corporation | Method of producing ultrafine ground calcium carbonate |
| US4824653A (en) * | 1988-09-29 | 1989-04-25 | Franklin Industries, Inc. | Method of bleaching limestone |
| US4935391A (en) * | 1989-03-31 | 1990-06-19 | Fmc Corporation | Process for preparing a purified mineral coating |
| SE469475B (sv) * | 1990-10-29 | 1993-07-12 | Eka Nobel Ab | Saett att bleka partiklar innehaallande kalciumkarbonat |
-
1963
- 1963-10-28 DE DE1963P0032866 patent/DE1467470C2/de not_active Expired
-
1964
- 1964-10-26 AT AT904364A patent/AT262471B/de active
- 1964-10-26 AT AT632566A patent/AT257777B/de active
- 1964-10-27 CH CH1784466A patent/CH486548A/de not_active IP Right Cessation
- 1964-10-27 SE SE1293764A patent/SE303003B/xx unknown
- 1964-10-27 CH CH1389064A patent/CH433554A/de unknown
- 1964-10-27 DK DK528764A patent/DK108261C/da active
- 1964-10-28 NL NL6412530A patent/NL133420C/xx active
- 1964-10-28 FI FI226664A patent/FI42231B/fi active
- 1964-10-28 FR FR20743A patent/FR1420612A/fr not_active Expired
- 1964-10-28 BE BE654931D patent/BE654931A/xx unknown
- 1964-10-28 GB GB4388565A patent/GB1069276A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH486548A (de) | 1970-02-28 |
| AT262471B (de) | 1968-06-10 |
| SE303003B (de) | 1968-08-12 |
| BE654931A (de) | 1965-02-15 |
| DE1467470A1 (de) | 1968-12-19 |
| CH433554A (de) | 1967-04-15 |
| DE1467470C2 (de) | 1974-06-12 |
| AT257777B (de) | 1967-10-25 |
| NL133420C (de) | 1971-09-15 |
| FI42231B (de) | 1970-03-02 |
| FR1420612A (fr) | 1965-12-10 |
| NL6412530A (de) | 1965-04-29 |
| GB1069276A (en) | 1967-05-17 |
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