BR9001755A - Processo para a producao de dioxido de titanio - Google Patents

Processo para a producao de dioxido de titanio

Info

Publication number: BR9001755A
Authority: BR; Brazil
Prior art keywords: production; titanium dioxide; dioxide; titanium
Prior art date: 1989-04-17

Application number

BR909001755A

Other languages

English (en)

Inventor

Guenter Lailach

Gerhard Wiederhoeft

Walter Deissmann

Eckhard Bayer

Peter Beumer

Walter Gutsche

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

1990-04-16

Publication date

1991-06-04

1990-04-16 Application filed by Bayer Ag filed Critical Bayer Ag

1991-06-04 Publication of BR9001755A publication Critical patent/BR9001755A/pt

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)

BR909001755A 1989-04-17 1990-04-16 Processo para a producao de dioxido de titanio BR9001755A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
BR9001755A true BR9001755A (pt)	1991-06-04

Family

ID=6378838

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR909001755A BR9001755A (pt)	1989-04-17	1990-04-16	Processo para a producao de dioxido de titanio

Country Status (10)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI89901C (fi) *	1990-10-23	1993-12-10	Kemira Oy	Reningsfoerfarande
BR9005862A (pt) *	1990-11-20	1992-06-30	Curua Mineracao Ltda	Processo de producao de dioxido de titanio a partir de minerio de anatasio,usando digestao fluida com acido sulfurico e sob condicao de minimo consumo de acido e minima emissao de efluentes poluidores
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 (de) *	1993-12-24	1996-09-19	Bayer Ag	Verfahren zur Herstellung von Titandioxid nach dem Sulfatverfahren
AU2002952155A0 (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
AU2002952157A0 (en)	2002-10-18	2002-10-31	Bhp Billiton Innovation Pty Ltd	Production of titania
TW200524828A (en)	2003-10-17	2005-08-01	Bhp Billiton Innovation Pty	Production of titania
JP2006103999A (ja) *	2004-10-01	2006-04-20	Murata Mfg Co Ltd	酸化チタン微粒子の製造方法
CN112624189B (zh) *	2021-01-14	2023-03-28	上海安赐环保科技股份有限公司	一种硫酸法钛白粉的废酸与白水的回用方法及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3327769A1 (de) *	1983-08-02	1985-02-14	Bayer Ag, 5090 Leverkusen	Verfahren zur aufarbeitung von duennsaeuren
DE3718674A1 (de) *	1987-06-04	1988-12-15	Bayer Ag	Verfahren zur herstellung von titandioxid
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
CH672633A5 (pt) *	1987-11-23	1989-12-15	Escher Wyss Ag
DE3742838A1 (de) *	1987-12-17	1989-07-13	Kronos Titan Gmbh	Verfahren zur herstellung von titandioxid-pigmenten

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

Also Published As

Publication number	Publication date
FI96840C (fi)	1996-09-10
NO901505D0 (no)	1990-04-03
DE3912554C1 (pt)	1990-07-12
AU5316590A (en)	1990-10-18
ZA902824B (en)	1991-02-27
DE59000737D1 (de)	1993-02-25
FI901874A0 (fi)	1990-04-12
NO901505L (no)	1990-10-18
EP0393430B1 (de)	1993-01-13
AU626657B2 (en)	1992-08-06
CA2014485A1 (en)	1990-10-17
EP0393430A2 (de)	1990-10-24
ES2054134T3 (es)	1994-08-01
EP0393430A3 (de)	1991-03-27
JPH02293323A (ja)	1990-12-04
FI96840B (fi)	1996-05-31

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Legal Events

Date	Code	Title
1995-07-18	FB20	Grant procedure suspended (art. 20)
1996-01-09	FB19	Grant procedure suspended (art. 19)
1997-01-28	FF	Decision: intention to grant
1997-05-06	KD	Notifcation of receipt (letter patent)
1998-01-27	FA11	Dismissal: dismissal - article 38, par. 2 of industrial property law