FI901874A0 - Method for producing titanium dioxide - Google Patents

Method for producing titanium dioxide

Info

Publication number
FI901874A0
FI901874A0 FI901874A FI901874A FI901874A0 FI 901874 A0 FI901874 A0 FI 901874A0 FI 901874 A FI901874 A FI 901874A FI 901874 A FI901874 A FI 901874A FI 901874 A0 FI901874 A0 FI 901874A0
Authority
FI
Finland
Prior art keywords
titanium dioxide
producing titanium
producing
dioxide
titanium
Prior art date
Application number
FI901874A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI96840C (en
FI96840B (en
Inventor
Guenter Lailach
Gerhard Wiederhoeft
Walter Deissman
Eckhard Bayer
Peter Beumer
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 FI901874A0 publication Critical patent/FI901874A0/en
Application granted granted Critical
Publication of FI96840B publication Critical patent/FI96840B/en
Publication of FI96840C publication Critical patent/FI96840C/en

Links

Classifications

    • 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)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
FI901874A 1989-04-17 1990-04-12 Method for producing titanium dioxide FI96840C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3912554A DE3912554C1 (en) 1989-04-17 1989-04-17
DE3912554 1989-04-17

Publications (3)

Publication Number Publication Date
FI901874A0 true FI901874A0 (en) 1990-04-12
FI96840B FI96840B (en) 1996-05-31
FI96840C FI96840C (en) 1996-09-10

Family

ID=6378838

Family Applications (1)

Application Number Title Priority Date Filing Date
FI901874A FI96840C (en) 1989-04-17 1990-04-12 Method for producing titanium dioxide

Country Status (10)

Country Link
EP (1) EP0393430B1 (en)
JP (1) JPH02293323A (en)
AU (1) AU626657B2 (en)
BR (1) BR9001755A (en)
CA (1) CA2014485A1 (en)
DE (2) DE3912554C1 (en)
ES (1) ES2054134T3 (en)
FI (1) FI96840C (en)
NO (1) NO901505L (en)
ZA (1) ZA902824B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI89901C (en) * 1990-10-23 1993-12-10 Kemira Oy purification method
BR9005862A (en) * 1990-11-20 1992-06-30 Curua Mineracao Ltda PROCESS OF PRODUCTION OF TITANIUM DIOXIDE FROM THE ANATASIO ORE, USING FLUID DIGESTATION WITH SULFURIC ACID AND UNDER CONDITION OF MINIMUM ACID CONSUMPTION AND MINIMUM EMISSION OF POLLUTING EFFLUENTS
WO1993018193A1 (en) * 1992-03-09 1993-09-16 Pivot Mining Nl Acid washing of leached solids from the beneficiation of titaniferous ores
ZA946864B (en) * 1993-09-07 1995-09-04 Tech Resources Pty Ltd Upgrading titaniferous materials.
DE4344359C2 (en) * 1993-12-24 1996-09-19 Bayer Ag Process for the production of titanium dioxide by the sulfate process
AU2002952155A0 (en) 2002-10-18 2002-10-31 Bhp Billiton Innovation Pty Ltd Production of titania
AU2002952157A0 (en) 2002-10-18 2002-10-31 Bhp Billiton Innovation Pty Ltd Production of titania
AU2002952158A0 (en) 2002-10-18 2002-10-31 Bhp Billiton Innovation Pty Ltd Production of titania
AP2006003593A0 (en) * 2003-10-17 2006-04-30 Bhp Billiton Innovation Pty Production of Titania.
JP2006103999A (en) * 2004-10-01 2006-04-20 Murata Mfg Co Ltd Method of manufacturing titanium oxide fine particle
CN112624189B (en) * 2021-01-14 2023-03-28 上海安赐环保科技股份有限公司 Method and system for recycling waste acid and white water of titanium dioxide produced by sulfuric acid process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327769A1 (en) * 1983-08-02 1985-02-14 Bayer Ag, 5090 Leverkusen METHOD FOR THE TREATMENT OF THICK ACID
DE3718674A1 (en) * 1987-06-04 1988-12-15 Bayer Ag METHOD FOR PRODUCING TITANIUM DIOXIDE
DE3736111A1 (en) * 1987-10-26 1989-05-03 Kronos Titan Gmbh METHOD FOR THE ENERGY-SAVING AND MATERIAL-SAVING RENEWAL OF THE DUENOUS ACID INVOLVED IN TITANIUM OXIDE MANUFACTURE AFTER THE SULPHATE PROCESS
CH672633A5 (en) * 1987-11-23 1989-12-15 Escher Wyss Ag
DE3742838A1 (en) * 1987-12-17 1989-07-13 Kronos Titan Gmbh METHOD FOR PRODUCING TITANIUM DIOXIDE PIGMENTS

Also Published As

Publication number Publication date
FI96840C (en) 1996-09-10
DE59000737D1 (en) 1993-02-25
FI96840B (en) 1996-05-31
AU5316590A (en) 1990-10-18
AU626657B2 (en) 1992-08-06
ZA902824B (en) 1991-02-27
BR9001755A (en) 1991-06-04
EP0393430B1 (en) 1993-01-13
DE3912554C1 (en) 1990-07-12
EP0393430A2 (en) 1990-10-24
NO901505D0 (en) 1990-04-03
ES2054134T3 (en) 1994-08-01
NO901505L (en) 1990-10-18
EP0393430A3 (en) 1991-03-27
JPH02293323A (en) 1990-12-04
CA2014485A1 (en) 1990-10-17

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed
MM Patent lapsed

Owner name: BAYER AKTIENGESELLSCHAFT