NO20004681D0 - FremgangsmÕte for Õ opparbeide avfallssyre som oppstÕr ved TiO2-fremstilling - Google Patents

FremgangsmÕte for Õ opparbeide avfallssyre som oppstÕr ved TiO2-fremstilling

Info

Publication number: NO20004681D0
Authority: NO; Norway
Prior art keywords: preparation; acid produced; waste acid; tio2 production; tio2
Prior art date: 1998-03-20

Application number

NO20004681A

Other languages

English (en)

Other versions

NO20004681L (no

Inventor

Gerhard Auer

Guenter Lailach

Ulrich Meisen

Werner Schuy

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.)

1998-03-20

Filing date

2000-09-19

Publication date

2000-09-19

2000-09-19 Application filed by Bayer Ag filed Critical Bayer Ag

2000-09-19 Publication of NO20004681D0 publication Critical patent/NO20004681D0/no

2000-11-03 Publication of NO20004681L publication Critical patent/NO20004681L/no

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/026—Preparation of ammonia from inorganic compounds
- C01C1/028—Preparation of ammonia from inorganic compounds from ammonium sulfate or sulfite
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
- C04B11/262—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke waste gypsum other than phosphogypsum
- 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
- C01P2006/12—Surface area
- 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
- C01P2006/42—Magnetic properties
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/62—L* (lightness axis)
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/63—Optical properties, e.g. expressed in CIELAB-values a* (red-green axis)
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/64—Optical properties, e.g. expressed in CIELAB-values b* (yellow-blue axis)

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
General Health & Medical Sciences (AREA)
Structural Engineering (AREA)
Health & Medical Sciences (AREA)
Materials Engineering (AREA)
Analytical Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Compounds Of Iron (AREA)
Pigments, Carbon Blacks, Or Wood Stains (AREA)
Removal Of Specific Substances (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Inorganic Compounds Of Heavy Metals (AREA)

NO20004681A 1998-03-20 2000-09-19 FremgangsmÕte for Õ opparbeide avfallssyre som oppstÕr ved TiO2-fremstilling NO20004681L (no)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19812262A DE19812262A1 (de)	1998-03-20	1998-03-20	Verfahren zur Aufarbeitung von Dünnsäure aus der TiO2-Herstellung
PCT/EP1999/001737 WO1999048816A1 (de)	1998-03-20	1999-03-17	VERFAHREN ZUR AUFARBEITUNG VON DÜNNSÄURE AUS DER TiO2-HERSTELLUNG

Publications (2)

Publication Number	Publication Date
NO20004681D0 true NO20004681D0 (no)	2000-09-19
NO20004681L NO20004681L (no)	2000-11-03

Family

ID=7861669

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO20004681A NO20004681L (no)	1998-03-20	2000-09-19	FremgangsmÕte for Õ opparbeide avfallssyre som oppstÕr ved TiO2-fremstilling

Country Status (11)

Country	Link
US (1)	US6416723B1 (no)
EP (1)	EP1064227B1 (no)
JP (1)	JP2002507634A (no)
AU (1)	AU3145699A (no)
BR (1)	BR9908918A (no)
CA (1)	CA2324527A1 (no)
DE (2)	DE19812262A1 (no)
ES (1)	ES2179633T3 (no)
NO (1)	NO20004681L (no)
WO (1)	WO1999048816A1 (no)
ZA (1)	ZA200004500B (no)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5058194B2 (ja) *	2002-12-20	2012-10-24	石原産業株式会社	土壌または水の処理方法
CN100415665C (zh) *	2005-06-29	2008-09-03	刘世琦	一种钛白废酸的综合利用方法
JP2008143763A (ja) *	2006-12-13	2008-06-26	Toshibumi Kageyama	二酸化チタンの製造の過程で生成する廃棄酸からの二酸化チタン、硫酸カルシウム及び酸化鉄の製造方法
JP5086021B2 (ja) *	2007-10-03	2012-11-28	Ａｇｃセイミケミカル株式会社	稀土類元素の回収方法
JP6638345B2 (ja) *	2015-03-17	2020-01-29	住友大阪セメント株式会社	石膏の製造方法およびセメント組成物の製造方法
CN105236496A (zh) *	2015-11-24	2016-01-13	郭秋丰	氨循环氨法制备氧化铁黑的生产方法
RU2656047C1 (ru) *	2017-05-23	2018-05-30	Валерий Константинович Ларин	Способ получения железооксидных пигментов
DE102017211730A1 (de) *	2017-07-10	2019-01-10	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Verfahren zur Calciumsulfatentfernung aus Calciumsulfathaltigem Bauschutt
CN113227420A (zh)	2018-12-14	2021-08-06	阿瓦塔纳有限公司	从含钛材料中提取产品的方法
CN111320403B (zh) *	2020-03-31	2022-01-25	湖北大学	通过钛白废酸制备多形貌α半水石膏的方法及所得石膏
JP2023509228A (ja) *	2020-11-20	2023-03-07	成都千砺金科技創新有限公司	硫酸法チタン白生産廃水の完全資源化リサイクル方法
CN116040687A (zh) *	2022-11-01	2023-05-02	攀枝花末微环保科技有限公司	硫酸法钛白废酸的综合利用方法和硫酸法钛白生产工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3016286A (en) *	1960-02-29	1962-01-09	Ishihara Sangyo Kaisha	Method for the treatment of waste acid resulting from titanium dioxide production
US3375066A (en) *	1963-08-24	1968-03-26	Yawata Chem Ind Co Ltd	Process for the continuous production of gypsum and iron oxide from waste sulfuric acid pickle liquor and a calcium compound
GB1421773A (en)	1972-10-20	1976-01-21	Laporte Industries Ltd	Production of iron oxide
CA1053876A (en)	1973-12-14	1979-05-08	Arthur A. Bellinger	Method and means of growing coarse gypsum and magnetite
US4137293A (en)	1977-12-16	1979-01-30	Ishihara Sangyo Kaisha, Ltd.	Producing gypsum and magnetite from ferrous sulfate and separating
US4137292A (en)	1978-03-02	1979-01-30	Uop Inc.	Purification of titanium trichloride
SU947050A1 (ru) *	1980-12-01	1982-07-30	Институт Металлургии Им.А.А.Байкова	Способ получени гипса и магнетита
DE3327769A1 (de)	1983-08-02	1985-02-14	Bayer Ag, 5090 Leverkusen	Verfahren zur aufarbeitung von duennsaeuren
GB9213998D0 (en)	1992-07-01	1992-08-12	Tioxide Group Services Ltd	Process for preparing calcium sulphate
DE59409261D1 (de)	1993-08-12	2000-05-11	Kerr Mcgee Pigments Gmbh & Co	Verfahren zur Aufarbeitung von Dünnsäure

1998
- 1998-03-20 DE DE19812262A patent/DE19812262A1/de not_active Withdrawn
1999
- 1999-03-17 ES ES99913263T patent/ES2179633T3/es not_active Expired - Lifetime
- 1999-03-17 EP EP99913263A patent/EP1064227B1/de not_active Expired - Lifetime
- 1999-03-17 BR BR9908918-1A patent/BR9908918A/pt not_active IP Right Cessation
- 1999-03-17 AU AU31456/99A patent/AU3145699A/en not_active Abandoned
- 1999-03-17 DE DE59902266T patent/DE59902266D1/de not_active Expired - Fee Related
- 1999-03-17 JP JP2000537806A patent/JP2002507634A/ja active Pending
- 1999-03-17 WO PCT/EP1999/001737 patent/WO1999048816A1/de active IP Right Grant
- 1999-03-17 US US09/646,280 patent/US6416723B1/en not_active Expired - Fee Related
- 1999-03-17 CA CA002324527A patent/CA2324527A1/en not_active Abandoned
2000
- 2000-08-30 ZA ZA200004500A patent/ZA200004500B/xx unknown
- 2000-09-19 NO NO20004681A patent/NO20004681L/no not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE19812262A1 (de)	1999-09-23
BR9908918A (pt)	2000-11-28
ES2179633T3 (es)	2003-01-16
WO1999048816A1 (de)	1999-09-30
EP1064227B1 (de)	2002-08-07
DE59902266D1 (de)	2002-09-12
AU3145699A (en)	1999-10-18
EP1064227A1 (de)	2001-01-03
US6416723B1 (en)	2002-07-09
NO20004681L (no)	2000-11-03
ZA200004500B (en)	2001-05-30
CA2324527A1 (en)	1999-09-30
JP2002507634A (ja)	2002-03-12

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Legal Events

Date	Code	Title	Description
2004-12-27	FC2A	Withdrawal, rejection or dismissal of laid open patent application