BR9815906B1 - método para reduzir as impurezas de uma argila de caulim. - Google Patents

método para reduzir as impurezas de uma argila de caulim.

Info

Publication number
BR9815906B1
BR9815906B1 BRPI9815906-2A BR9815906A BR9815906B1 BR 9815906 B1 BR9815906 B1 BR 9815906B1 BR 9815906 A BR9815906 A BR 9815906A BR 9815906 B1 BR9815906 B1 BR 9815906B1
Authority
BR
Brazil
Prior art keywords
kaolin clay
reducing impurities
impurities
reducing
kaolin
Prior art date
Application number
BRPI9815906-2A
Other languages
English (en)
Other versions
BR9815906A (pt
Inventor
Bomi M Bilimoria
Mark S Willis
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 filed Critical
Publication of BR9815906A publication Critical patent/BR9815906A/pt
Publication of BR9815906B1 publication Critical patent/BR9815906B1/pt

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
    • B03C1/002—High gradient magnetic separation
    • 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
    • B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
BRPI9815906-2A 1997-05-09 1998-05-07 método para reduzir as impurezas de uma argila de caulim. BR9815906B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/853,536 US6006920A (en) 1997-05-09 1997-05-09 Brightness, reduced impurity clays and methods of making same
PCT/US1998/009352 WO1998050161A1 (en) 1997-05-09 1998-05-07 Method for improving properties of kaolin clays

Publications (2)

Publication Number Publication Date
BR9815906A BR9815906A (pt) 2001-01-16
BR9815906B1 true BR9815906B1 (pt) 2010-10-05

Family

ID=25316299

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9815906-2A BR9815906B1 (pt) 1997-05-09 1998-05-07 método para reduzir as impurezas de uma argila de caulim.

Country Status (4)

Country Link
US (1) US6006920A (pt)
AU (1) AU7373198A (pt)
BR (1) BR9815906B1 (pt)
WO (1) WO1998050161A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU763786B2 (en) 1999-05-07 2003-07-31 Imerys Pigments, Inc. A method of treating an aqueous suspension of kaolin
US7122080B2 (en) 2001-09-14 2006-10-17 Imerys Pigments, Inc. Integrated process for simultaneous beneficiation, leaching, and dewatering of kaolin clay suspension
CN1867641A (zh) * 2003-08-11 2006-11-22 英默里斯高岭土公司 高白度变高岭土和高白度充分煅烧高岭土
US7318528B1 (en) * 2004-07-26 2008-01-15 Iradj Hessabi Precious metal recovery
US20070007179A1 (en) * 2005-07-06 2007-01-11 Ravishankar Sathanjheri A Process and magnetic reagent for the removal of impurities from minerals
US8033398B2 (en) * 2005-07-06 2011-10-11 Cytec Technology Corp. Process and magnetic reagent for the removal of impurities from minerals
US8545787B2 (en) 2006-02-07 2013-10-01 Imerys Pigments, Inc. Method of treating an aqueous suspension of kaolin
EP2090367A1 (de) * 2008-02-15 2009-08-19 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur kontinuierlichen Gewinnung von nichtmagnetischen Erzen
WO2010022115A2 (en) * 2008-08-19 2010-02-25 Basf Catalysts Llc A novel blended hydrous kaolin clay product
US8129302B2 (en) 2008-08-19 2012-03-06 Basf Corporation Blended hydrous kaolin clay product
US8530368B2 (en) * 2008-08-19 2013-09-10 Basf Corporation Blended hydrous kaolin clay product
US9156038B2 (en) 2012-03-30 2015-10-13 Rsr Technologies, Inc. Magnetic separation of electrochemical cell materials
US9371237B2 (en) 2013-04-22 2016-06-21 American Talc Company Methods and systems for controlled conversion of minerals to pigmenting elements
US20160332916A1 (en) * 2014-01-14 2016-11-17 Imerys Ceramics France Beneficiating process
CN104689904B (zh) * 2015-03-25 2017-05-10 盐边县恒盾矿业开发有限责任公司 一种选出钒钛磁铁矿尾矿中钛精矿的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3853983A (en) * 1973-05-21 1974-12-10 Huber Corp J M Method for improving brightness of kaolinite clays including iron pyrites
US4225425A (en) * 1975-10-01 1980-09-30 Anglo-American Clays Corporation Method for separating metallic minerals utilizing magnetic seeding
ES444739A1 (es) * 1975-10-01 1977-08-16 Anglo American Clays Corp Un metodo para separar magneticamente contaminantes que ha- cen variar el color, poco susceptibles de ser atraidos mag- neticamente desde una arcilla.
US4125460A (en) * 1975-10-01 1978-11-14 Anglo-American Clays Corporation Magnetic beneficiation of clays utilizing magnetic particulates
US4834898A (en) * 1988-03-14 1989-05-30 Board Of Control Of Michigan Technological University Reagents for magnetizing nonmagnetic materials
US5332493A (en) * 1992-04-28 1994-07-26 Ecc International Inc. Method for improving rheological properties of kaolin clays
US5527426A (en) * 1994-01-21 1996-06-18 Westvaco Corporation Magnetic deinking of waste papers

Also Published As

Publication number Publication date
US6006920A (en) 1999-12-28
BR9815906A (pt) 2001-01-16
WO1998050161A1 (en) 1998-11-12
AU7373198A (en) 1998-11-27

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Legal Events

Date Code Title Description
TCP Change of proprietor's name pending
TC Change of name
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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

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

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