BR9203621A - Processo continuo para clareamento de argila de caolim - Google Patents

Processo continuo para clareamento de argila de caolim

Info

Publication number
BR9203621A
BR9203621A BR929203621A BR9203621A BR9203621A BR 9203621 A BR9203621 A BR 9203621A BR 929203621 A BR929203621 A BR 929203621A BR 9203621 A BR9203621 A BR 9203621A BR 9203621 A BR9203621 A BR 9203621A
Authority
BR
Brazil
Prior art keywords
clay
kolim
lighting
continuous process
kaolin
Prior art date
Application number
BR929203621A
Other languages
English (en)
Inventor
Mitchell J Willis
Raymond H Young
Ellen S Forbus
Larry W Donaldson
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
Publication of BR9203621A publication Critical patent/BR9203621A/pt

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)
  • Catalysts (AREA)
  • Paper (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
BR929203621A 1991-10-11 1992-09-16 Processo continuo para clareamento de argila de caolim BR9203621A (pt)

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
BR9203621A true BR9203621A (pt) 1993-04-27

Family

ID=27119194

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929203621A BR9203621A (pt) 1991-10-11 1992-09-16 Processo continuo para clareamento de argila de caolim

Country Status (10)

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

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
AU2110392A (en) 1993-04-22
DE69214247T2 (de) 1997-04-03
DK0536887T3 (da) 1997-03-17
GR3021935T3 (en) 1997-03-31
ES2093210T3 (es) 1996-12-16
ATE143651T1 (de) 1996-10-15
MX9205045A (es) 1993-04-01
DE69214247D1 (de) 1996-11-07
AU657778B2 (en) 1995-03-23
US5391526A (en) 1995-02-21
EP0536887A1 (en) 1993-04-14

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
HO Change of classification

Free format text: INT. CL. 6 C04B 33/02, C04B 33/04, C01B 17/62 E C01B 17/64

FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 14A, 15A, 16A, 17A E 18A ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2278 DE 02/09/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 14A, 15A, 16A, 17A E 18A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.