FI901874A0 - Method for producing titanium dioxide - Google Patents

Method for producing titanium dioxide

Info

Publication number: FI901874A0
Authority: FI; Finland
Prior art keywords: titanium dioxide; producing titanium; producing; dioxide; titanium
Prior art date: 1989-04-17

Application number

FI901874A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI96840B (en

FI96840C (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.)

1989-04-17

Filing date

1990-04-12

Publication date

1990-04-12

1990-04-12 Application filed by Bayer Ag filed Critical Bayer Ag

1990-04-12 Publication of FI901874A0 publication Critical patent/FI901874A0/en

1996-05-31 Publication of FI96840B publication Critical patent/FI96840B/en

1996-09-10 Application granted granted Critical

1996-09-10 Publication of FI96840C publication Critical patent/FI96840C/en

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
CA2171185A1 (en) *	1993-09-07	1995-03-16	Ross Alexander Mcclelland	Upgrading titaniferous materials
DE4344359C2 (en) *	1993-12-24	1996-09-19	Bayer Ag	Process for the production of titanium dioxide by the sulfate process
AU2002952158A0 (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
AU2002952155A0 (en)	2002-10-18	2002-10-31	Bhp Billiton Innovation Pty Ltd	Production of titania
CN1898401B (en)	2003-10-17	2010-11-03	Bhp比利顿创新公司	Preparation of titanium dioxide
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

1989
- 1989-04-17 DE DE3912554A patent/DE3912554C1/de not_active Expired - Lifetime
1990
- 1990-04-03 NO NO90901505A patent/NO901505L/en unknown
- 1990-04-05 DE DE9090106528T patent/DE59000737D1/en not_active Expired - Fee Related
- 1990-04-05 EP EP90106528A patent/EP0393430B1/en not_active Expired - Lifetime
- 1990-04-05 ES ES90106528T patent/ES2054134T3/en not_active Expired - Lifetime
- 1990-04-11 AU AU53165/90A patent/AU626657B2/en not_active Ceased
- 1990-04-12 FI FI901874A patent/FI96840C/en not_active IP Right Cessation
- 1990-04-12 JP JP2095242A patent/JPH02293323A/en active Pending
- 1990-04-12 ZA ZA902824A patent/ZA902824B/en unknown
- 1990-04-12 CA CA002014485A patent/CA2014485A1/en not_active Abandoned
- 1990-04-16 BR BR909001755A patent/BR9001755A/en not_active Application Discontinuation

Also Published As

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

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Legal Events

Date	Code	Title	Description
1996-05-02	BB	Publication of examined application
1997-11-14	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: BAYER AKTIENGESELLSCHAFT