BR9005862A - Processo de producao de dioxido de titanio a partir de minerio de anatasio,usando digestao fluida com acido sulfurico e sob condicao de minimo consumo de acido e minima emissao de efluentes poluidores - Google Patents

Processo de producao de dioxido de titanio a partir de minerio de anatasio,usando digestao fluida com acido sulfurico e sob condicao de minimo consumo de acido e minima emissao de efluentes poluidores

Info

Publication number
BR9005862A
BR9005862A BR9005862A BR9005862A BR9005862A BR 9005862 A BR9005862 A BR 9005862A BR 9005862 A BR9005862 A BR 9005862A BR 9005862 A BR9005862 A BR 9005862A BR 9005862 A BR9005862 A BR 9005862A
Authority
BR
Brazil
Prior art keywords
minimum
digestation
anatasio
ore
fluid
Prior art date
Application number
BR9005862A
Other languages
English (en)
Portuguese (pt)
Inventor
Noe Chaves
Original Assignee
Curua Mineracao Ltda
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 Curua Mineracao Ltda filed Critical Curua Mineracao Ltda
Priority to BR9005862A priority Critical patent/BR9005862A/pt
Priority to AU89160/91A priority patent/AU8916091A/en
Priority to PCT/BR1991/000025 priority patent/WO1992008816A1/en
Priority to PT99561A priority patent/PT99561A/pt
Priority to ZA919187A priority patent/ZA919187B/xx
Priority to CN91111933A priority patent/CN1063665A/zh
Publication of BR9005862A publication Critical patent/BR9005862A/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
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1236—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching
    • C22B34/124—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors
    • C22B34/125—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors containing a sulfur ion as active agent
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
    • C01G23/0534—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts in the presence of seeds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR9005862A 1990-11-20 1990-11-20 Processo de producao de dioxido de titanio a partir de minerio de anatasio,usando digestao fluida com acido sulfurico e sob condicao de minimo consumo de acido e minima emissao de efluentes poluidores BR9005862A (pt)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BR9005862A BR9005862A (pt) 1990-11-20 1990-11-20 Processo de producao de dioxido de titanio a partir de minerio de anatasio,usando digestao fluida com acido sulfurico e sob condicao de minimo consumo de acido e minima emissao de efluentes poluidores
AU89160/91A AU8916091A (en) 1990-11-20 1991-11-19 Titanium dioxide production from upgraded anatase ore concentrates using fluid sulphuric acid sulphation
PCT/BR1991/000025 WO1992008816A1 (en) 1990-11-20 1991-11-19 Titanium dioxide production from upgraded anatase ore concentrates using fluid sulphuric acid sulphation
PT99561A PT99561A (pt) 1990-11-20 1991-11-20 Metodo de producao de dioxido de titanio a partir do minerio anatasio usando um processo de digestao fluida com acido sulfurico e sob a condicao dum minimo con sumo de acido e duma minima emissao de efluentes poluidores
ZA919187A ZA919187B (en) 1990-11-20 1991-11-20 Process for the production of titanium dioxide from anatase ore using fluid digestion with sulfuric acid under conditions of minimum acid consumption and minimum emission of polluting effluents
CN91111933A CN1063665A (zh) 1990-11-20 1991-11-20 由提高品位的锐钛矿精砂使用液体硫酸硫酸盐化法制备二氧化钛

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9005862A BR9005862A (pt) 1990-11-20 1990-11-20 Processo de producao de dioxido de titanio a partir de minerio de anatasio,usando digestao fluida com acido sulfurico e sob condicao de minimo consumo de acido e minima emissao de efluentes poluidores

Publications (1)

Publication Number Publication Date
BR9005862A true BR9005862A (pt) 1992-06-30

Family

ID=4050787

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9005862A BR9005862A (pt) 1990-11-20 1990-11-20 Processo de producao de dioxido de titanio a partir de minerio de anatasio,usando digestao fluida com acido sulfurico e sob condicao de minimo consumo de acido e minima emissao de efluentes poluidores

Country Status (6)

Country Link
CN (1) CN1063665A (zh)
AU (1) AU8916091A (zh)
BR (1) BR9005862A (zh)
PT (1) PT99561A (zh)
WO (1) WO1992008816A1 (zh)
ZA (1) ZA919187B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038188C (zh) * 1994-07-09 1998-04-29 山东大学 高纯度超微细金红石型二氧化钛的制备方法
WO2016112432A1 (en) * 2015-01-13 2016-07-21 Iluka Resources Limited Beneficiation of titanium bearing materials
DE102016112682A1 (de) * 2016-07-11 2018-01-11 Huntsman P&A Germany Gmbh Verfahren zur Herstellung von Titandioxid und das so erhaltene Titandioxid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218131A (en) * 1961-01-27 1965-11-16 Independence Foundation Process for recovery of titania values
JPS582163B2 (ja) * 1974-03-11 1983-01-14 石原産業株式会社 アナタ−ゼコウ ノ シヨリホウホウ
US4176159A (en) * 1976-11-15 1979-11-27 Mendonca Paulo Ayres Falcao De Process for concentration of titanium containing anatase ore
SU971800A1 (ru) * 1981-04-09 1982-11-07 Институт Химии И Технологии Редких Элементов И Минерального Сырья Ордена Ленина Кольского Филиала Им.С.М.Кирова Способ извлечени ниоби из сернокислых растворов
FI91270C (fi) * 1988-08-15 1994-06-10 Kemira Oy Menetelmä titaanidioksidipigmentin valmistamiseksi
DE3912554C1 (zh) * 1989-04-17 1990-07-12 Bayer Ag, 5090 Leverkusen, De

Also Published As

Publication number Publication date
WO1992008816A1 (en) 1992-05-29
ZA919187B (en) 1992-11-25
PT99561A (pt) 1992-10-30
CN1063665A (zh) 1992-08-19
AU8916091A (en) 1992-06-11

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Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee
B15K Others concerning applications: alteration of classification

Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. AS CLASSIFICACOES IPC ANTERIORES ERAM: C22B 3/08; C01F 23/047.

Ipc: C22B 34/12 (2006.01), C01G 23/053 (2006.01)

Ipc: C22B 34/12 (2006.01), C01G 23/053 (2006.01)