DE69901036D1 - Verfahren zur aufkonzentrierung von verdünnten schwefelsäurelösungen - Google Patents

Verfahren zur aufkonzentrierung von verdünnten schwefelsäurelösungen

Info

Publication number: DE69901036D1
Authority: DE; Germany
Prior art keywords: sulfuric acid; evaporator; heat exchanger; acid solutions; diluted sulfuric
Prior art date: 1998-07-30
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

DE69901036T

Other languages

English (en)

Other versions

DE69901036T2 (de

Inventor

Henry Bush

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Tioxide Group Services Ltd

Original Assignee

Tioxide Group Ltd

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.)

1998-07-30

Filing date

1999-07-29

Publication date

2002-04-18

1999-07-29 Application filed by Tioxide Group Ltd filed Critical Tioxide Group Ltd

2002-04-18 Publication of DE69901036D1 publication Critical patent/DE69901036D1/de

2002-11-28 Application granted granted Critical

2002-11-28 Publication of DE69901036T2 publication Critical patent/DE69901036T2/de

2019-07-30 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title abstract 14
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
239000002918 waste heat Substances 0.000 abstract 2
239000002699 waste material Substances 0.000 abstract 2
239000004408 titanium dioxide Substances 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/88—Concentration of sulfuric acid
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
- Y10S423/02—Sulfuric acid

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Cleaning Or Drying Semiconductors (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Heat Treatment Of Water, Waste Water Or Sewage (AREA)

DE69901036T 1998-07-30 1999-07-29 Verfahren zur aufkonzentrierung von verdünnten schwefelsäurelösungen Expired - Fee Related DE69901036T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GBGB9816464.3A GB9816464D0 (en)	1998-07-30	1998-07-30	Process for the concentration of dilute sulphuric acid solutions
PCT/GB1999/002486 WO2000006487A1 (en)	1998-07-30	1999-07-29	Process for the concentration of dilute sulphuric acid solutions

Publications (2)

Publication Number	Publication Date
DE69901036D1 true DE69901036D1 (de)	2002-04-18
DE69901036T2 DE69901036T2 (de)	2002-11-28

Family

ID=10836334

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69901036T Expired - Fee Related DE69901036T2 (de)	1998-07-30	1999-07-29	Verfahren zur aufkonzentrierung von verdünnten schwefelsäurelösungen

Country Status (10)

Country	Link
US (1)	US6548038B1 (de)
EP (1)	EP1098844B1 (de)
JP (1)	JP2002521301A (de)
AT (1)	ATE214351T1 (de)
AU (1)	AU5178699A (de)
DE (1)	DE69901036T2 (de)
ES (1)	ES2173754T3 (de)
GB (1)	GB9816464D0 (de)
WO (1)	WO2000006487A1 (de)
ZA (1)	ZA200100727B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP6001328B2 (ja) *	2012-05-23	2016-10-05	パンパシフィック・カッパー株式会社	硫酸酸性液の濃縮装置、硫酸酸性液の濃縮方法及び粗硫酸ニッケルの回収方法
CN104176714B (zh) *	2014-08-21	2016-02-10	钮德明	一种采用反渗透法浓缩钛白废酸的方法
CN109941968A (zh) *	2019-04-24	2019-06-28	成都先进金属材料产业技术研究院有限公司	利用磷酸二氢钠处理废硫酸溶液的方法
CN109941972A (zh) *	2019-04-29	2019-06-28	成都先进金属材料产业技术研究院有限公司	利用氯化钡处理硫酸法钛白废酸的方法
CN109987591A (zh) *	2019-04-29	2019-07-09	成都先进金属材料产业技术研究院有限公司	利用氯化铜处理硫酸法钛白废酸的方法
CN113387334B (zh) *	2021-06-16	2022-10-28	龙佰四川钛业有限公司	一种硫酸法钛白废酸的浓缩净化方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2618122C2 (de) *	1976-04-26	1984-10-04	Kronos Titan-Gesellschaft Mbh, 5090 Leverkusen	Verfahren zur Aufarbeitung verdünnter eisen(II)-sulfathaltiger Schwefelsäurelösungen
DE3327769A1 (de) *	1983-08-02	1985-02-14	Bayer Ag, 5090 Leverkusen	Verfahren zur aufarbeitung von duennsaeuren
DE3927751A1 (de) *	1989-08-23	1991-02-28	Bayer Ag	Verfahren zum konzentrieren metallsulfathaltiger schwefelsaeure
DE3935892C2 (de) *	1989-10-27	1994-08-25	Metallgesellschaft Ag	Verfahren und Vorrichtung zum Konzentrieren einer Schwefelsäure und Wasser enthaltenden Flüssigkeit
DE3938915C1 (de) *	1989-11-24	1991-05-08	Bayer Ag, 5090 Leverkusen, De
DE4029737C1 (de) *	1990-09-20	1991-12-05	Metallgesellschaft Ag, 6000 Frankfurt, De

1998
- 1998-07-30 GB GBGB9816464.3A patent/GB9816464D0/en not_active Ceased
1999
- 1999-07-29 WO PCT/GB1999/002486 patent/WO2000006487A1/en active IP Right Grant
- 1999-07-29 AT AT99936808T patent/ATE214351T1/de not_active IP Right Cessation
- 1999-07-29 AU AU51786/99A patent/AU5178699A/en not_active Abandoned
- 1999-07-29 ES ES99936808T patent/ES2173754T3/es not_active Expired - Lifetime
- 1999-07-29 US US09/744,699 patent/US6548038B1/en not_active Expired - Fee Related
- 1999-07-29 DE DE69901036T patent/DE69901036T2/de not_active Expired - Fee Related
- 1999-07-29 EP EP99936808A patent/EP1098844B1/de not_active Expired - Lifetime
- 1999-07-29 JP JP2000562299A patent/JP2002521301A/ja active Pending
2001
- 2001-01-25 ZA ZA200100727A patent/ZA200100727B/en unknown

Also Published As

Publication number	Publication date
GB9816464D0 (en)	1998-09-23
ES2173754T3 (es)	2002-10-16
US6548038B1 (en)	2003-04-15
WO2000006487A1 (en)	2000-02-10
ATE214351T1 (de)	2002-03-15
JP2002521301A (ja)	2002-07-16
AU5178699A (en)	2000-02-21
EP1098844A1 (de)	2001-05-16
ZA200100727B (en)	2001-08-07
DE69901036T2 (de)	2002-11-28
EP1098844B1 (de)	2002-03-13

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Legal Events

Date	Code	Title	Description
2002-07-25	8327	Change in the person/name/address of the patent owner	Owner name: TIOXIDE GROUP SERVICES LTD., LONDON, GB
2010-05-20	8339	Ceased/non-payment of the annual fee