BR9404701A - Processo para a preparação de dióxido de titânio pelo processo de sulfato - Google Patents

Processo para a preparação de dióxido de titânio pelo processo de sulfato

Info

Publication number
BR9404701A
BR9404701A BR9404701A BR9404701A BR9404701A BR 9404701 A BR9404701 A BR 9404701A BR 9404701 A BR9404701 A BR 9404701A BR 9404701 A BR9404701 A BR 9404701A BR 9404701 A BR9404701 A BR 9404701A
Authority
BR
Brazil
Prior art keywords
preparation
titanium dioxide
sulfate
sulfate process
dioxide
Prior art date
Application number
BR9404701A
Other languages
English (en)
Inventor
Armin Dr Mueller
Peter Dr Thometzek
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR9404701A publication Critical patent/BR9404701A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Catalysts (AREA)
BR9404701A 1993-11-24 1994-11-23 Processo para a preparação de dióxido de titânio pelo processo de sulfato BR9404701A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4339976A DE4339976C2 (de) 1993-11-24 1993-11-24 Verfahren zur Herstellung von Titandioxid nach dem Sulfatverfahren

Publications (1)

Publication Number Publication Date
BR9404701A true BR9404701A (pt) 1995-07-18

Family

ID=6503283

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9404701A BR9404701A (pt) 1993-11-24 1994-11-23 Processo para a preparação de dióxido de titânio pelo processo de sulfato

Country Status (6)

Country Link
EP (1) EP0654539B1 (pt)
BR (1) BR9404701A (pt)
DE (2) DE4339976C2 (pt)
ES (1) ES2107732T3 (pt)
FI (1) FI945492A (pt)
NO (1) NO944493L (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4339975C2 (de) * 1993-11-24 1996-08-29 Bayer Ag Verfahren zur Herstellung einer Ti(III)haltigen Lösung und deren Verwendung
KR100430405B1 (ko) * 1999-04-23 2004-05-03 주식회사 나노 광촉매용 미립 이산화티타늄 분말의 제조방법
DE102007032417A1 (de) 2007-07-10 2009-01-15 Tronox Pigments Gmbh Verfahren zur Herstellung einer reduzierten titandioxidhaltigen Aufschlusslösungsmischung
CN114988465A (zh) * 2022-04-22 2022-09-02 甘肃东方钛业有限公司 一种酸解预混槽结垢的高效回收利用方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2049504A (en) * 1934-09-21 1936-08-04 Du Pont Cyclic process for reducing titanium sulphate liquors
US2416216A (en) * 1942-09-19 1947-02-18 Nat Lead Co Method for the preparation of titanium solutions
SU373257A1 (ru) * 1970-12-15 1973-03-12 Способ разложения титановых концентратов
US4288417A (en) * 1979-08-10 1981-09-08 Nl Industries, Inc. Process for manufacturing titanium dioxide
SU1154207A1 (en) * 1983-10-04 1985-05-07 Konstantin U Konotopchik Method of decomposing titanium concentrates
DE3635010A1 (de) * 1986-10-10 1988-04-14 Gock Eberhard Priv Doz Prof Dr Erzeugung von synthetischem anatas aus ilmeniten mit duennsaeure
DE4339975C2 (de) * 1993-11-24 1996-08-29 Bayer Ag Verfahren zur Herstellung einer Ti(III)haltigen Lösung und deren Verwendung

Also Published As

Publication number Publication date
FI945492A (fi) 1995-05-25
DE4339976A1 (de) 1995-06-01
FI945492A0 (fi) 1994-11-22
EP0654539B1 (de) 1997-10-08
EP0654539A1 (de) 1995-05-24
ES2107732T3 (es) 1997-12-01
DE59404270D1 (de) 1997-11-13
NO944493D0 (no) 1994-11-23
NO944493L (no) 1995-05-26
DE4339976C2 (de) 1996-12-19

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law