ES2093210T3 - Metodo in situ para producir un agente blanqueante con hidrosulfito. - Google Patents

Metodo in situ para producir un agente blanqueante con hidrosulfito.

Info

Publication number
ES2093210T3
ES2093210T3 ES92307772T ES92307772T ES2093210T3 ES 2093210 T3 ES2093210 T3 ES 2093210T3 ES 92307772 T ES92307772 T ES 92307772T ES 92307772 T ES92307772 T ES 92307772T ES 2093210 T3 ES2093210 T3 ES 2093210T3
Authority
ES
Spain
Prior art keywords
hydrosulphite
produce
whitening agent
situ method
kaolin
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
ES92307772T
Other languages
English (en)
Inventor
Mitchell J Willis
Raymond H Young
Ellen S Forbus
Larry W Donaldson
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.)
BASF Catalysts LLC
Original Assignee
Engelhard Corp
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
Priority claimed from US07/776,507 external-priority patent/US5145814A/en
Application filed by Engelhard Corp filed Critical Engelhard Corp
Application granted granted Critical
Publication of ES2093210T3 publication Critical patent/ES2093210T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C09C1/40—Compounds of aluminium
    • C09C1/42—Clays
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
    • C01B33/40—Clays
    • 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
    • C04B33/10—Eliminating iron or lime
    • 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
    • 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
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • 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)
  • Dispersion Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Detergent Compositions (AREA)
  • Lubricants (AREA)
  • Paper (AREA)
  • Catalysts (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

SE PRESENTA UN PROCESO PARA HACER REACCIONAR HIERRO METALICO CON GAS DE DIOXIDO DE AZUFRE (SO2) EN LA PRESENCIA DE AGUA Y DE MATERIAL BLANQUEABLE, ESPECIALMENTE ARCILLA DE CAOLIN CONTAMINADA CON HIERRO, MEDIANTE EL CUAL EL CAOLIN SE BLANQUEE IN SITU; LA VISCOSIDAD RESULTANTE DEL CAOLIN PUEDE SER MENOR QUE SI SE BLANQUEASE DE FORMA CONVENCIONAL.
ES92307772T 1991-10-11 1992-08-26 Metodo in situ para producir un agente blanqueante con hidrosulfito. Expired - Lifetime ES2093210T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/776,507 US5145814A (en) 1991-10-11 1991-10-11 In situ method for producing hydrosulfite beach and use thereof
US90165292A 1992-06-22 1992-06-22

Publications (1)

Publication Number Publication Date
ES2093210T3 true ES2093210T3 (es) 1996-12-16

Family

ID=27119194

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92307772T Expired - Lifetime ES2093210T3 (es) 1991-10-11 1992-08-26 Metodo in situ para producir un agente blanqueante con hidrosulfito.

Country Status (10)

Country Link
US (1) US5391526A (es)
EP (1) EP0536887B1 (es)
AT (1) ATE143651T1 (es)
AU (1) AU657778B2 (es)
BR (1) BR9203621A (es)
DE (1) DE69214247T2 (es)
DK (1) DK0536887T3 (es)
ES (1) ES2093210T3 (es)
GR (1) GR3021935T3 (es)
MX (1) MX9205045A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5603411A (en) * 1994-12-07 1997-02-18 Engelhard Corporation Method for separating mixture of finely divided minerals
US6662951B1 (en) 2000-09-27 2003-12-16 Basic Resources, Inc. Process for extracting and purifying naturally occurring zeolite

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB181132A (en) * 1921-03-12 1922-06-12 Augustus John Stubbs A process for bleaching earthy minerals that in native deposits are stained by colouring matters that render them useless for industrial purposes
US2149506A (en) * 1936-07-06 1939-03-07 Monsanto Chemicals Method of bleaching minerals
US3001852A (en) * 1959-05-22 1961-09-26 Georgia Kaolin Co Clay bleaching
US3393082A (en) * 1965-10-12 1968-07-16 Georgia Kaolin Co Alumino-silicate pigment
US3326705A (en) * 1965-12-01 1967-06-20 Minerals & Chem Philipp Corp Method of reducing clay viscosity
US3666513A (en) * 1970-03-25 1972-05-30 English Clays Lovering Pochin Treatment of minerals
US3853984A (en) * 1973-10-17 1974-12-10 Huber Corp J M Controlling the leaching of kaolin clay
US4076795A (en) * 1976-09-09 1978-02-28 Engelhard Minerals & Chemicals Corporation Hydrosulfite production
US4157980A (en) * 1976-09-17 1979-06-12 Engelhard Minerals & Chemicals Corporation Hydrosulfite preparation
US4105466A (en) * 1976-10-12 1978-08-08 J. M. Huber Corporation Method for reducing the viscosity and for refining kaolin clays
SE457647B (sv) * 1987-06-24 1989-01-16 Eka Nobel Ab Saett vid blekning av material med ditionitloesning
US5122279A (en) * 1991-04-08 1992-06-16 Romar Technologies Inc. Ferrous dithionite process and compositions for removing dissolved heavy metals from water
US5145814A (en) * 1991-10-11 1992-09-08 Engelhard Corporation In situ method for producing hydrosulfite beach and use thereof

Also Published As

Publication number Publication date
EP0536887B1 (en) 1996-10-02
AU657778B2 (en) 1995-03-23
BR9203621A (pt) 1993-04-27
AU2110392A (en) 1993-04-22
EP0536887A1 (en) 1993-04-14
DK0536887T3 (da) 1997-03-17
ATE143651T1 (de) 1996-10-15
DE69214247T2 (de) 1997-04-03
DE69214247D1 (de) 1996-11-07
GR3021935T3 (en) 1997-03-31
US5391526A (en) 1995-02-21
MX9205045A (es) 1993-04-01

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