BRPI0703514A - método para lixiviação e formação de brilho em argilas de caulim - Google Patents

método para lixiviação e formação de brilho em argilas de caulim

Info

Publication number
BRPI0703514A
BRPI0703514A BRPI0703514-4A BRPI0703514A BRPI0703514A BR PI0703514 A BRPI0703514 A BR PI0703514A BR PI0703514 A BRPI0703514 A BR PI0703514A BR PI0703514 A BRPI0703514 A BR PI0703514A
Authority
BR
Brazil
Prior art keywords
leaching
kaolin clays
formation
kaolin
gloss formation
Prior art date
Application number
BRPI0703514-4A
Other languages
English (en)
Inventor
Qiang Huang
Goda Rangamannar
Original Assignee
Rohm & Haas
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 by Rohm & Haas filed Critical Rohm & Haas
Publication of BRPI0703514A publication Critical patent/BRPI0703514A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/64—Thiosulfates; Dithionites; Polythionates
    • C01B17/66—Dithionites or hydrosulfites (S2O42-)
    • 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
    • C04B33/04—Clay; Kaolin
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

MéTODO PARA LIXIVIAçãO E FORMAçãO DE BRILHO EM ARGILAS DE CAULIM Um método para a formação de brilho em argilas de caulim e em outros minerais pela combinação de boroidreto de sódio, hidróxido de sódio e bissulfito de sódio, em um misturador de substância química e adição do produto de saída do misturador de substância química a pasta de argilas de caulim.
BRPI0703514-4A 2006-09-01 2007-08-20 método para lixiviação e formação de brilho em argilas de caulim BRPI0703514A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84194806P 2006-09-01 2006-09-01

Publications (1)

Publication Number Publication Date
BRPI0703514A true BRPI0703514A (pt) 2008-04-22

Family

ID=38599337

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0703514-4A BRPI0703514A (pt) 2006-09-01 2007-08-20 método para lixiviação e formação de brilho em argilas de caulim

Country Status (3)

Country Link
US (1) US20080052838A1 (pt)
BR (1) BRPI0703514A (pt)
GB (1) GB2441431A (pt)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290161A (en) * 1963-10-04 1966-12-06 Fmc Corp Clay bleaching
US3937632A (en) * 1974-06-11 1976-02-10 Anglo-American Clays Corporation Method for brightening and whitening clays utilizing sodium borohydride
US4002487A (en) * 1976-05-13 1977-01-11 Imc Chemical Group Process for bleaching kaolin
EP0027369A1 (en) * 1979-10-12 1981-04-22 Thiokol Corporation Stable precursor solution for the generation of hydrosulfite and use thereof in bleaching wood pulp, brightening kaolin clay and reducing vat dyestuffs to their leuco form
SE457647B (sv) * 1987-06-24 1989-01-16 Eka Nobel Ab Saett vid blekning av material med ditionitloesning
GB9214041D0 (en) * 1992-07-02 1992-08-12 Morton Int Inc Process for de-inking recycled paper pulp
EP1146089A1 (en) * 2000-04-10 2001-10-17 Rohm And Haas Company Methods for bleaching kaolin clay and other minerals and bleached products obtained by the method
DE60326113D1 (de) * 2002-11-05 2009-03-26 Rohm & Haas Verfahren zum Bleichen von mechanischer Pulpe
CA2522144A1 (en) * 2004-10-15 2006-04-15 Rohm And Haas Company Method for bleaching wood fibers
US7780779B2 (en) * 2005-02-23 2010-08-24 Imerys Pigments, Inc. Method for separating mixture of finely divided minerals

Also Published As

Publication number Publication date
GB0716686D0 (en) 2007-10-03
GB2441431A (en) 2008-03-05
US20080052838A1 (en) 2008-03-06

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: THE DOW CHEMICAL COMPANY (US)

B25A Requested transfer of rights approved

Owner name: VERTELLUS PERFORMANCE CHEMICALS LLC (US)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.