FI946008L - Method for producing titanium dioxide by the sulfate method - Google Patents

Method for producing titanium dioxide by the sulfate method Download PDF

Info

Publication number: FI946008L
Authority: FI; Finland
Prior art keywords: titanium dioxide; producing titanium; sulfate; sulfate method; producing
Prior art date: 1993-12-23

Application number

FI946008A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI946008A7 (en

FI946008A0 (en

Inventor

Peter Thometzek

Guenter Linde

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.)

1993-12-23

Filing date

1994-12-21

Publication date

1995-06-24

1994-12-21 Application filed by Bayer Ag filed Critical Bayer Ag

1994-12-21 Publication of FI946008A0 publication Critical patent/FI946008A0/en

1995-06-24 Publication of FI946008A7 publication Critical patent/FI946008A7/en

1995-06-24 Publication of FI946008L publication Critical patent/FI946008L/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
- 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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling

Landscapes

Chemical & Material Sciences (AREA)
Geology (AREA)
General Life Sciences & Earth Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Inorganic Chemistry (AREA)
Inorganic Compounds Of Heavy Metals (AREA)
Manufacture And Refinement Of Metals (AREA)

FI946008A 1993-12-23 1994-12-21 Method for producing titanium dioxide by the sulfate method FI946008L (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19934344162 DE4344162A1 (en)	1993-12-23	1993-12-23	Process for the production of titanium dioxide by the sulfate process

Publications (3)

Publication Number	Publication Date
FI946008A0 FI946008A0 (en)	1994-12-21
FI946008A7 FI946008A7 (en)	1995-06-24
FI946008L true FI946008L (en)	1995-06-24

Family

ID=6505998

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI946008A FI946008L (en)	1993-12-23	1994-12-21	Method for producing titanium dioxide by the sulfate method

Country Status (6)

Country	Link
EP (1)	EP0659688B1 (en)
BR (1)	BR9405200A (en)
DE (2)	DE4344162A1 (en)
ES (1)	ES2098097T3 (en)
FI (1)	FI946008L (en)
NO (1)	NO944987L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100430405B1 (en) *	1999-04-23	2004-05-03	주식회사 나노	manufacturing method of titanium dioxide powder for photocatalyst
WO2001042520A1 (en) *	1999-12-13	2001-06-14	Pacmin Investments Limited	Method of high-temperature digesting titanium containing material with sulfuric acid
DE10106539A1 (en) *	2001-02-13	2002-08-22	Kerr Mcgee Pigments Gmbh & Co	Process for the extraction of titanium dioxide from digestion residues of a sulphate process
AU2002952157A0 (en) *	2002-10-18	2002-10-31	Bhp Billiton Innovation Pty Ltd	Production of titania
DE10303287A1 (en) *	2003-01-28	2004-07-29	Sachtleben Chemie Gmbh	Improving filter cake neutralization in titanium dioxide production by sulfate process, involves using a basic-reacting solution or suspension in the membrane chamber filter press

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4288415A (en) *	1979-08-10	1981-09-08	Nl Industries, Inc.	Process for manufacturing titanium compounds using a reducing agent
DE2951749A1 (en) *	1979-12-21	1981-07-02	Bayer Ag, 5090 Leverkusen	METHOD FOR PROCESSING DIGESTION RESIDUES IN TITANIUM DIOXIDE PRODUCTION
DE4027105A1 (en) *	1990-08-28	1992-03-05	Bayer Ag	METHOD FOR PROCESSING DIGESTION RESIDUES FROM TITANIUM DIOXIDE PRODUCTION

1993
- 1993-12-23 DE DE19934344162 patent/DE4344162A1/en not_active Withdrawn
1994
- 1994-12-12 ES ES94119606T patent/ES2098097T3/en not_active Expired - Lifetime
- 1994-12-12 EP EP19940119606 patent/EP0659688B1/en not_active Expired - Lifetime
- 1994-12-12 DE DE59401715T patent/DE59401715D1/en not_active Expired - Fee Related
- 1994-12-21 FI FI946008A patent/FI946008L/en unknown
- 1994-12-21 BR BR9405200A patent/BR9405200A/en not_active IP Right Cessation
- 1994-12-22 NO NO944987A patent/NO944987L/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
NO944987L (en)	1995-06-26
DE59401715D1 (en)	1997-03-13
EP0659688A1 (en)	1995-06-28
FI946008A7 (en)	1995-06-24
NO944987D0 (en)	1994-12-22
FI946008A0 (en)	1994-12-21
EP0659688B1 (en)	1997-01-29
ES2098097T3 (en)	1997-04-16
DE4344162A1 (en)	1995-06-29
BR9405200A (en)	1995-08-01

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FI940853A7 (en)	1994-08-27	Method for continuously producing chlorine dioxide
FI940854L (en)	1994-08-27	Method for producing chlorine dioxide
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FI945958L (en)	1995-06-22	Method for producing polyolefins
FI943375A7 (en)	1995-01-20	Method and apparatus for producing shaped articles and shaped articles produced by the method
FI955132A7 (en)	1995-10-27	Method for producing cement
FI944706L (en)	1994-10-07	Method for producing chlorine dioxide
FI960278L (en)	1996-07-21	Anatase titanium dioxide production method
FI945724A0 (en)	1994-12-05	Titanium Dioxide Slurry
FI906407A0 (en)	1990-12-27	Method for the production of durable steel
NO941822L (en)	1994-11-15	Well view for increased production
FI933033L (en)	1995-01-02	Method for producing melamine
DE69413348D1 (en)	1998-10-22	Model projection method
FI940600L (en)	1994-08-11	Titanium dioxide production
FI945747L (en)	1994-12-07	Method for producing chlorine dioxide
FI935070A7 (en)	1993-11-16	Method for producing chlorine dioxide
FI901874A0 (en)	1990-04-12	Method for producing titanium dioxide
FI953117L (en)	1995-06-21	Method for producing chlorine dioxide
NO934211D0 (en)	1993-11-22	Coated titanium dioxide, as well as processes for making it
FI946008A7 (en)	1995-06-24	Method for producing titanium dioxide by the sulfate method
FI945492A7 (en)	1995-05-25	Method for producing titanium dioxide by the sulfate method
EP0440406A3 (en)	1992-09-02	Process for producing titanium dioxide
FI954695A7 (en)	1995-10-03	Method for converting sodium sulfate
FI946041L (en)	1995-06-25	Method for producing titanium dioxide
FI971370L (en)	1998-10-04	Method for producing titanium dioxide

Legal Events

Date	Code	Title	Description
1999-02-17	GB	Transfer or assigment of application	Owner name: KERR-MCGEE PIGMENTS GMBH & CO. KG