FI905720L - Foerfarande foer framstaellning av titandioxid enligt sulfatfoerfarande. - Google Patents

Foerfarande foer framstaellning av titandioxid enligt sulfatfoerfarande. Download PDF

Info

Publication number: FI905720L
Authority: FI; Finland
Prior art keywords: sulfatfoerfarande; enligt; titandioxid; foerfarande foer; foer framstaellning
Prior art date: 1989-11-22

Application number

FI905720A

Other languages

English (en)

Finnish (fi)

Other versions

FI905720A0 (fi

Inventor

Guenter Lailach

Gerhard Wiederhoeft

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.)

1989-11-22

Filing date

1990-11-20

Publication date

1991-05-23

1990-11-20 Application filed by Bayer Ag filed Critical Bayer Ag

1990-11-20 Publication of FI905720A0 publication Critical patent/FI905720A0/fi

1991-05-23 Publication of FI905720L publication Critical patent/FI905720L/fi

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
- C01G23/08—Drying; Calcining ; After treatment of titanium oxide
- 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
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity

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)
Manufacture And Refinement Of Metals (AREA)

FI905720A 1989-11-22 1990-11-20 Foerfarande foer framstaellning av titandioxid enligt sulfatfoerfarande. FI905720L (fi)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3938692A DE3938692C1 (en)	1989-11-22	1989-11-22	Prodn. of titanium di:oxide using the sulphate process - includes using sulphuric acid, wash water, etc. contg. specified total max. levels of chloride and calcium ions to prevent corrosion

Publications (2)

Publication Number	Publication Date
FI905720A0 FI905720A0 (fi)	1990-11-20
FI905720L true FI905720L (fi)	1991-05-23

Family

ID=6393969

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI905720A FI905720L (fi)	1989-11-22	1990-11-20	Foerfarande foer framstaellning av titandioxid enligt sulfatfoerfarande.

Country Status (6)

Country	Link
JP (1)	JPH03174323A (pt)
BR (1)	BR9005885A (pt)
DE (1)	DE3938692C1 (pt)
FI (1)	FI905720L (pt)
NO (1)	NO904863D0 (pt)
ZA (1)	ZA909327B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN115321488B (zh) *	2022-06-30	2023-10-27	苏州大学	一种制备自分散纳米金属氧化物的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA506112A (en) *		1954-09-28	M. Olson Carl	Titanium oxide pigment production
US2121215A (en) *	1935-09-14	1938-06-21	Titan Gmbh	Preparation of titanium oxygen compounds
DE862001C (de) *	1942-10-13	1953-01-08	Titan Gmbh	Herstellung von Titansulfatloesungen
DE3736111A1 (de) *	1987-10-26	1989-05-03	Kronos Titan Gmbh	Verfahren zur energie- und materialsparenden aufarbeitung der bei der titandioxidherstellung nach dem sulfatverfahren anfallenden duennsaeure

1989
- 1989-11-22 DE DE3938692A patent/DE3938692C1/de not_active Expired - Lifetime
1990
- 1990-11-08 NO NO904863A patent/NO904863D0/no unknown
- 1990-11-19 JP JP2311674A patent/JPH03174323A/ja active Pending
- 1990-11-20 FI FI905720A patent/FI905720L/fi not_active Application Discontinuation
- 1990-11-21 BR BR909005885A patent/BR9005885A/pt unknown
- 1990-11-21 ZA ZA909327A patent/ZA909327B/xx unknown

Also Published As

Publication number	Publication date
NO904863D0 (no)	1990-11-08
FI905720A0 (fi)	1990-11-20
DE3938692C1 (en)	1990-09-13
BR9005885A (pt)	1991-09-24
JPH03174323A (ja)	1991-07-29
ZA909327B (en)	1991-09-25

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Legal Events

Date	Code	Title	Description
2004-08-31	FA	Application withdrawn [patent]	Owner name: BAYER AKTIENGESELLSCHAFT