BRPI0510832B1 - processo de melhoramento de zircço. - Google Patents

processo de melhoramento de zircço.

Info

Publication number
BRPI0510832B1
BRPI0510832B1 BRPI0510832-2A BRPI0510832A BRPI0510832B1 BR PI0510832 B1 BRPI0510832 B1 BR PI0510832B1 BR PI0510832 A BRPI0510832 A BR PI0510832A BR PI0510832 B1 BRPI0510832 B1 BR PI0510832B1
Authority
BR
Brazil
Prior art keywords
zircon
breeding process
grade
calcined product
washed
Prior art date
Application number
BRPI0510832-2A
Other languages
English (en)
Inventor
Ettienne Snyders
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 BRPI0510832A publication Critical patent/BRPI0510832A/pt
Publication of BRPI0510832B1 publication Critical patent/BRPI0510832B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/14—Obtaining zirconium or hafnium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/06—Sulfating roasting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/08—Chloridising roasting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
BRPI0510832-2A 2004-05-27 2005-05-24 processo de melhoramento de zircço. BRPI0510832B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200404157 2004-05-27
PCT/IB2005/051688 WO2005116277A1 (en) 2004-05-27 2005-05-24 Upgrading of zircon

Publications (2)

Publication Number Publication Date
BRPI0510832A BRPI0510832A (pt) 2007-11-27
BRPI0510832B1 true BRPI0510832B1 (pt) 2013-04-24

Family

ID=34969111

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0510832-2A BRPI0510832B1 (pt) 2004-05-27 2005-05-24 processo de melhoramento de zircço.

Country Status (10)

Country Link
US (1) US7744847B2 (pt)
EP (1) EP1749110B1 (pt)
AT (1) ATE400668T1 (pt)
AU (1) AU2005248159B2 (pt)
BR (1) BRPI0510832B1 (pt)
DE (1) DE602005008044D1 (pt)
ES (1) ES2309759T3 (pt)
MX (1) MXPA06013530A (pt)
WO (1) WO2005116277A1 (pt)
ZA (1) ZA200608844B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111422905A (zh) * 2020-04-02 2020-07-17 绵竹市金坤化工有限公司 一种硫酸锆的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5228910A (en) * 1991-09-06 1993-07-20 Ferro Corporation Mixed metal oxide crystalline powders and method for the synthesis thereof
AUPM425094A0 (en) * 1994-03-04 1994-03-31 Rgc Mineral Sands Limited Zircon treatment
US6090353A (en) * 1998-04-01 2000-07-18 Svedala Industries, Inc. Method of removing impurities from mineral concentrates
US7063824B1 (en) * 1999-06-07 2006-06-20 University Of Pretoria Beneficiation of zircon
WO2001064586A1 (en) * 2000-03-01 2001-09-07 Joseph Mizrahi Process for the manufacture of substantially pure zirconium oxide from raw materials containing zirconium
AUPS250102A0 (en) * 2002-05-22 2002-06-13 Commonwealth Scientific And Industrial Research Organisation Process for removal of radioactive impurities from zirconium containing materials

Also Published As

Publication number Publication date
EP1749110B1 (en) 2008-07-09
ZA200608844B (en) 2008-07-30
US7744847B2 (en) 2010-06-29
EP1749110A1 (en) 2007-02-07
MXPA06013530A (es) 2007-04-25
DE602005008044D1 (de) 2008-08-21
ES2309759T3 (es) 2008-12-16
BRPI0510832A (pt) 2007-11-27
WO2005116277A1 (en) 2005-12-08
AU2005248159B2 (en) 2009-03-19
US20070292332A1 (en) 2007-12-20
AU2005248159A1 (en) 2005-12-08
ATE400668T1 (de) 2008-07-15

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Legal Events

Date Code Title Description
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]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 24/05/2005, OBSERVADAS AS CONDICOES LEGAIS.

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

Free format text: REFERENTE A 18A ANUIDADE.

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 2724 DE 21-03-2023 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.