ES2131962T3 - Procedimiento para la fabricacion de minerales blanqueados. - Google Patents

Procedimiento para la fabricacion de minerales blanqueados.

Info

Publication number
ES2131962T3
ES2131962T3 ES96933316T ES96933316T ES2131962T3 ES 2131962 T3 ES2131962 T3 ES 2131962T3 ES 96933316 T ES96933316 T ES 96933316T ES 96933316 T ES96933316 T ES 96933316T ES 2131962 T3 ES2131962 T3 ES 2131962T3
Authority
ES
Spain
Prior art keywords
manufacture
dispersion
bleached
minerals
procedure
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.)
Expired - Lifetime
Application number
ES96933316T
Other languages
English (en)
Inventor
Gunter Forkel
Rudolf Gassenhuber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gebrueder Dorfner GmbH and Co KG Kaolin und Kristallquarzsand Werke
Original Assignee
Gebrueder Dorfner GmbH and Co KG Kaolin und Kristallquarzsand Werke
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=ES2131962(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gebrueder Dorfner GmbH and Co KG Kaolin und Kristallquarzsand Werke filed Critical Gebrueder Dorfner GmbH and Co KG Kaolin und Kristallquarzsand Werke
Application granted granted Critical
Publication of ES2131962T3 publication Critical patent/ES2131962T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Compounds Of Iron (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Abstract

SE PROPONE UN PROCESO PARA LA FABRICACION DE MINERALES BLANQUEADOS CON UN ELEVADO GRADO DE BLANCURA, ESPECIALMENTE PARA LA FABRICACION DE FILOSILICATOS, CARBONATOS Y SIMILARES SEGUN LAS SIGUIENTES FASES DE FABRICACION: 1) TRATAMIENTO DE UNA SUSPENSION DE MINERAL CON SOSA CAUSTICA; 2) DISPERSION DE LA MEZCLA POR AGITACION INTENSA; 3) ADICION DE UN AGENTE DE BLANQUEO A LA DISPERSION OBTENIDA; 4) MOLIENDA DE LA MEZCLA OBTENIDA Y ULTERIOR DISPERSION DE LA MISMA; Y 5) TRATAMIENTO DE LA DISPERSION EN UN SEPARADOR MAGNETICO DE ALTO GRADIENTE PARA ELIMINAR LOS OXIDOS METALICOS PARAMAGNETICOS COLORANTES.
ES96933316T 1995-08-16 1996-08-13 Procedimiento para la fabricacion de minerales blanqueados. Expired - Lifetime ES2131962T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19530062A DE19530062C2 (de) 1995-08-16 1995-08-16 Verfahren zur Herstellung aufgehellter Mineralien

Publications (1)

Publication Number Publication Date
ES2131962T3 true ES2131962T3 (es) 1999-08-01

Family

ID=7769585

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96933316T Expired - Lifetime ES2131962T3 (es) 1995-08-16 1996-08-13 Procedimiento para la fabricacion de minerales blanqueados.

Country Status (10)

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

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
WO2005095709A1 (en) * 2004-03-23 2005-10-13 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
US4186027A (en) * 1976-10-07 1980-01-29 English Clays Lovering Pochin & Company Limited Processing of kaolinitic clays at high solids
GB1585122A (en) * 1976-10-07 1981-02-25 English Clays Lovering Pochin Clays
GB2018733B (en) * 1978-04-17 1982-09-22 Yara Engineering Corp Production of kaolin pigments
DE3472113D1 (en) * 1983-07-14 1988-07-21 Georgia Kaolin Co 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
DK0844988T3 (da) 1999-10-11
EP0844988B1 (de) 1999-03-24
DE19530062C2 (de) 1998-10-15
WO1997007076A1 (de) 1997-02-27
DE19530062A1 (de) 1997-02-20
HUP0004553A2 (hu) 2001-04-28
NO980614D0 (no) 1998-02-13
ATE178038T1 (de) 1999-04-15
CZ40398A3 (cs) 1998-07-15
SK19098A3 (en) 1998-09-09
DE59601513D1 (de) 1999-04-29
EP0844988A1 (de) 1998-06-03
NO980614L (no) 1998-02-13
CZ288910B6 (cs) 2001-09-12

Similar Documents

Publication Publication Date Title
IE831113L (en) 7-oxabicyclo £2,2,1| heptane derivatives
AU6760987A (en) Method of treating alzheimer's disease
SV1998000153A (es) Proceso para la sintesis de 1,3-dioles
ES2005593A6 (es) Procedimiento para la obetencion de derivados de tetrahidronaftaleno e indano
CS9003897A2 (en) Diaryl acetylenes and method of their production
EP0176032A3 (en) Tetralin derivatives, their preparation and use
PL308742A1 (en) Method of recombining and host cell for producing xylythol
BR8801384A (pt) Processo para moagem fina de um material de fonte e moinho com agitacao
CA2032579A1 (fr) Separateur magnetique a haute intensite travaillant en humide
ES2131962T3 (es) Procedimiento para la fabricacion de minerales blanqueados.
GR3030733T3 (en) Sulphamate derivatives of 1,3,5(10)-estratriene derivatives, methods of producing them and pharmaceutical compounds containing them
PL348106A1 (en) Method of producing gamma-decalactone
AU582021B2 (en) The use of nonionic surfactants as aids in the flotation of non-sulfidic ores
AU1257588A (en) Method for alleviation of primary depressive disorders
MD960168A (ro) Metodă şi compuşi pentru tratamentul infecţiilor virale
DE3767832D1 (de) Behandlung von zwischengut.
NO960927L (no) Fremgangsmåte ved fremstilling av 9-(2-hydroksy)-etoksymetylguanin
ATE158202T1 (de) Differentialzerkleinerung
HUT41783A (en) Process for producing 12- and 13-bromo-ergoline derivatives
EP0429237A3 (en) Method of high crushing force conical crushing
GB9013868D0 (en) Spinal traction machine for self-application of traction
MX9603850A (es) Composiciones anti-acne.
AU3703795A (en) Chondrocyte cell-lines
ES2166007T3 (es) Procedimiento para la preparacion de antraquinonas sustituidas.
DE3872437D1 (de) Verfahren zur gewinnung von insektenpathogenen proteinen und mikroorganismen des typs bacillus thuringiensis.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 844988

Country of ref document: ES