DE59203211D1 - Verfahren zur Aufarbeitung von Abfallschwefelsäure. - Google Patents

Verfahren zur Aufarbeitung von Abfallschwefelsäure.

Info

Publication number: DE59203211D1
Authority: DE; Germany
Prior art keywords: sulfuric acid; processing waste; waste sulfuric; halides; sulphuric acid
Prior art date: 1991-09-24
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

DE59203211T

Other languages

English (en)

Inventor

Volker Bruecken

Manfred Dr Poetzschke

Bernd Dr Langner

Michael Dr Stelter

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.)

Aguatec Aufbereitungsgesellschaft fur Umweltverfa

Original Assignee

Metallgesellschaft 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.)

1991-09-24

Filing date

1992-08-18

Publication date

1995-09-14

1992-08-18 Application filed by Metallgesellschaft AG filed Critical Metallgesellschaft AG

1992-08-18 Priority to DE59203211T priority Critical patent/DE59203211D1/de

1995-09-14 Application granted granted Critical

1995-09-14 Publication of DE59203211D1 publication Critical patent/DE59203211D1/de

2012-08-19 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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
- C01B17/90—Separation; Purification
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- 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

DE59203211T 1991-09-24 1992-08-18 Verfahren zur Aufarbeitung von Abfallschwefelsäure. Expired - Fee Related DE59203211D1 (de)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
DE59203211T DE59203211D1 (de)	1991-09-24	1992-08-18	Verfahren zur Aufarbeitung von Abfallschwefelsäure.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4131794A DE4131794A1 (de)	1991-09-24	1991-09-24	Verfahren und vorrichtung zur aufarbeitung von abfallschwefelsaeure
DE59203211T DE59203211D1 (de)	1991-09-24	1992-08-18	Verfahren zur Aufarbeitung von Abfallschwefelsäure.

Publications (1)

Publication Number	Publication Date
DE59203211D1 true DE59203211D1 (de)	1995-09-14

Family

ID=6441387

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE4131794A Withdrawn DE4131794A1 (de)	1991-09-24	1991-09-24	Verfahren und vorrichtung zur aufarbeitung von abfallschwefelsaeure
DE59203211T Expired - Fee Related DE59203211D1 (de)	1991-09-24	1992-08-18	Verfahren zur Aufarbeitung von Abfallschwefelsäure.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
DE4131794A Withdrawn DE4131794A1 (de)	1991-09-24	1991-09-24	Verfahren und vorrichtung zur aufarbeitung von abfallschwefelsaeure

Country Status (8)

Country	Link
US (1)	US5466352A (de)
EP (1)	EP0534513B1 (de)
JP (1)	JPH05293339A (de)
AT (1)	ATE126178T1 (de)
DE (2)	DE4131794A1 (de)
DK (1)	DK0534513T3 (de)
ES (1)	ES2077346T3 (de)
GR (1)	GR3017098T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE502632C2 (sv) *	1994-02-03	1995-11-27	Eka Nobel Ab	Förfarande för minskning av halter organiskt och oorganiskt halogen i en vattenlösning samt användning av en vattenlösning som framställts enligt förfarandet
US5567293A (en) *	1994-12-22	1996-10-22	Pulp And Paper Research Institute Of Canada	Electromembrane processes for the treatment of kraft mill electrostatic precipitator catch
US6878258B2 (en) *	2002-02-11	2005-04-12	Applied Materials, Inc.	Apparatus and method for removing contaminants from semiconductor copper electroplating baths
KR101570545B1 (ko)	2007-03-09	2015-11-19	넥서스 바이오시스템즈, 인코포레이티드.	박리성 씰의 제거를 위한 장치 및 방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3616385A (en) *	1969-07-23	1971-10-26	Procter & Gamble	Chlorine- and chloride-free hyprochlorous acid by electrodialysis
US3673067A (en) *	1970-11-23	1972-06-27	Continental Oil Co	Removal of molecular halogen from solution by passage through a membrane
JPS6058230A (ja) *	1983-09-09	1985-04-04	Babcock Hitachi Kk	排煙脱硫方法および装置
US4717450A (en) *	1985-08-19	1988-01-05	University Of British Columbia	Removal of chloride from process solutions
JPS62244427A (ja) *	1986-04-17	1987-10-24	Kureha Chem Ind Co Ltd	排煙脱硫吸収液の処理方法
CA1258654A (en) *	1986-04-22	1989-08-22	Donald L. Ball	Method for the removal of monovalent ions from znso.sub.4 electrolyte by electrodialysis
US4740281A (en) *	1986-10-14	1988-04-26	Allied Corporation	Recovery of acids from materials comprising acid and salt
US5162076A (en) *	1988-11-30	1992-11-10	Allied-Signal Inc.	Method for purification of acids from materials comprising acid and salt

1991
- 1991-09-24 DE DE4131794A patent/DE4131794A1/de not_active Withdrawn
1992
- 1992-08-18 EP EP92202536A patent/EP0534513B1/de not_active Expired - Lifetime
- 1992-08-18 DE DE59203211T patent/DE59203211D1/de not_active Expired - Fee Related
- 1992-08-18 DK DK92202536.6T patent/DK0534513T3/da active
- 1992-08-18 AT AT92202536T patent/ATE126178T1/de not_active IP Right Cessation
- 1992-08-18 ES ES92202536T patent/ES2077346T3/es not_active Expired - Lifetime
- 1992-09-22 JP JP4278108A patent/JPH05293339A/ja active Pending
1994
- 1994-06-17 US US08/261,658 patent/US5466352A/en not_active Expired - Fee Related
1995
- 1995-08-10 GR GR950402056T patent/GR3017098T3/el unknown

Also Published As

Publication number	Publication date
JPH05293339A (ja)	1993-11-09
DE4131794A1 (de)	1993-03-25
GR3017098T3 (en)	1995-11-30
ES2077346T3 (es)	1995-11-16
ATE126178T1 (de)	1995-08-15
US5466352A (en)	1995-11-14
EP0534513A1 (de)	1993-03-31
DK0534513T3 (da)	1995-09-25
EP0534513B1 (de)	1995-08-09

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Legal Events

Date	Code	Title	Description
1996-09-05	8364	No opposition during term of opposition
1998-02-05	8327	Change in the person/name/address of the patent owner	Owner name: AGUATEC AUFBEREITUNGSGESELLSCHAFT FUER UMWELTVERFA
2001-09-06	8339	Ceased/non-payment of the annual fee