DK0844988T3 - Fremgangsmåde til fremstilling af mineraler, der er gjort lysere - Google Patents

Fremgangsmåde til fremstilling af mineraler, der er gjort lysere

Info

Publication number
DK0844988T3
DK0844988T3 DK96933316T DK96933316T DK0844988T3 DK 0844988 T3 DK0844988 T3 DK 0844988T3 DK 96933316 T DK96933316 T DK 96933316T DK 96933316 T DK96933316 T DK 96933316T DK 0844988 T3 DK0844988 T3 DK 0844988T3
Authority
DK
Denmark
Prior art keywords
brightened
dispersion
mixture
made lighter
dispersed
Prior art date
Application number
DK96933316T
Other languages
English (en)
Inventor
Guenter Forkel
Rudolf Gassenhuber
Original Assignee
Dorfner Gmbh & Co Kaolin Und K
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7769585&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0844988(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dorfner Gmbh & Co Kaolin Und K filed Critical Dorfner Gmbh & Co Kaolin Und K
Application granted granted Critical
Publication of DK0844988T3 publication Critical patent/DK0844988T3/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/005—Pretreatment specially adapted for magnetic separation
    • B03C1/015—Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
    • 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
    • C04B33/13—Compounding ingredients
    • C04B33/14—Colouring matters
    • 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
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28—Compounds of silicon
    • 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
    • C09C1/40—Compounds of aluminium
    • C09C1/42—Clays
    • 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
    • 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)
  • Dispersion Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Detergent Compositions (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Paper (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Compounds Of Iron (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Hard Magnetic Materials (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DK96933316T 1995-08-16 1996-08-13 Fremgangsmåde til fremstilling af mineraler, der er gjort lysere DK0844988T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19530062A DE19530062C2 (de) 1995-08-16 1995-08-16 Verfahren zur Herstellung aufgehellter Mineralien
PCT/DE1996/001535 WO1997007076A1 (de) 1995-08-16 1996-08-13 Verfahren zur herstellung aufgehellter mineralien

Publications (1)

Publication Number Publication Date
DK0844988T3 true DK0844988T3 (da) 1999-10-11

Family

ID=7769585

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96933316T DK0844988T3 (da) 1995-08-16 1996-08-13 Fremgangsmåde til fremstilling af mineraler, der er gjort lysere

Country Status (10)

Country Link
EP (1) EP0844988B1 (da)
AT (1) ATE178038T1 (da)
CZ (1) CZ288910B6 (da)
DE (2) DE19530062C2 (da)
DK (1) DK0844988T3 (da)
ES (1) ES2131962T3 (da)
HU (1) HUP0004553A2 (da)
NO (1) NO980614L (da)
SK (1) SK19098A3 (da)
WO (1) WO1997007076A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0103500D0 (en) 2001-02-13 2001-03-28 Imerys Minerals Ltd Calcium carbonate products
US7648032B2 (en) 2004-03-23 2010-01-19 Imerys Pigments, Inc. Effective reductive bleaching of mineral slurries
CN110255576B (zh) * 2019-08-02 2022-09-06 四川赛和新材料科技有限责任公司 通过高梯度磁选和化学漂白法制备高白度绢云母的方法
CN114988420A (zh) * 2022-07-11 2022-09-02 福建长泰万泰矿物制品有限公司 硅土除铁漂白工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3477809A (en) * 1966-12-30 1969-11-11 Georgia Kaolin Co Kaolin treatment
US3974067A (en) * 1974-10-08 1976-08-10 Anglo-American Clays Corporation Method for improving clay brightness utilizing magnetic separation
GB1585122A (en) * 1976-10-07 1981-02-25 English Clays Lovering Pochin Clays
US4186027A (en) * 1976-10-07 1980-01-29 English Clays Lovering Pochin & Company Limited Processing of kaolinitic clays at high solids
GB2018733B (en) * 1978-04-17 1982-09-22 Yara Engineering Corp Production of kaolin pigments
EP0131785B1 (en) * 1983-07-14 1988-06-15 Georgia Kaolin Company, Inc. Processing of kaolinitic clays at high solids under acidic conditions
DD298496A5 (de) * 1989-02-13 1992-02-27 Institut Fuer Mineralische Rohstoff- U. Lagerstaettenwirtschaft,De Verfahren zur aufbereitung von schichtsilikatrohstoffen
US5342443A (en) * 1993-04-06 1994-08-30 Engelhard Corporation Method for bleaching kaolin clay

Also Published As

Publication number Publication date
EP0844988A1 (de) 1998-06-03
WO1997007076A1 (de) 1997-02-27
CZ288910B6 (cs) 2001-09-12
ATE178038T1 (de) 1999-04-15
NO980614D0 (no) 1998-02-13
DE19530062A1 (de) 1997-02-20
CZ40398A3 (cs) 1998-07-15
SK19098A3 (en) 1998-09-09
EP0844988B1 (de) 1999-03-24
DE19530062C2 (de) 1998-10-15
DE59601513D1 (de) 1999-04-29
HUP0004553A2 (hu) 2001-04-28
ES2131962T3 (es) 1999-08-01
NO980614L (no) 1998-02-13

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