NL6412530A - - Google Patents

Info

Publication number
NL6412530A
NL6412530A NL6412530A NL6412530A NL6412530A NL 6412530 A NL6412530 A NL 6412530A NL 6412530 A NL6412530 A NL 6412530A NL 6412530 A NL6412530 A NL 6412530A NL 6412530 A NL6412530 A NL 6412530A
Authority
NL
Netherlands
Prior art keywords
carbonate
whiteness
salt
degree
improved
Prior art date
Application number
NL6412530A
Other languages
English (en)
Other versions
NL133420C (da
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL6412530A publication Critical patent/NL6412530A/xx
Application granted granted Critical
Publication of NL133420C publication Critical patent/NL133420C/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/04Clay; Kaolin
    • C04B33/06Rendering lime harmless
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/18Carbonates
    • C01F11/185After-treatment, e.g. grinding, purification, conversion of crystal morphology
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/30Drying methods
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02Compounds of alkaline earth metals or magnesium
    • C09C1/021Calcium carbonates
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02Compounds of alkaline earth metals or magnesium
    • C09C1/021Calcium carbonates
    • C09C1/022Treatment with inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06Treatment with inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical 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)
NL6412530A 1963-10-28 1964-10-28 NL133420C (da)

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 (2)

Publication Number Publication Date
NL6412530A true NL6412530A (da) 1965-04-29
NL133420C NL133420C (da) 1971-09-15

Family

ID=7372956

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6412530A NL133420C (da) 1963-10-28 1964-10-28

Country Status (10)

Country Link
AT (2) AT262471B (da)
BE (1) BE654931A (da)
CH (2) CH433554A (da)
DE (1) DE1467470C2 (da)
DK (1) DK108261C (da)
FI (1) FI42231B (da)
FR (1) FR1420612A (da)
GB (1) GB1069276A (da)
NL (1) NL133420C (da)
SE (1) SE303003B (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE1467470A1 (de) 1968-12-19
NL133420C (da) 1971-09-15
CH433554A (de) 1967-04-15
GB1069276A (en) 1967-05-17
FI42231B (da) 1970-03-02
CH486548A (de) 1970-02-28
FR1420612A (fr) 1965-12-10
DE1467470C2 (de) 1974-06-12
BE654931A (da) 1965-02-15
AT262471B (de) 1968-06-10
DK108261C (da) 1967-10-30
AT257777B (de) 1967-10-25
SE303003B (da) 1968-08-12

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