GB2217321A - Degradation of organic chemicals with titanium ceramic membranes - Google Patents

Degradation of organic chemicals with titanium ceramic membranes

Info

Publication number
GB2217321A
GB2217321A GB8906707A GB8906707A GB2217321A GB 2217321 A GB2217321 A GB 2217321A GB 8906707 A GB8906707 A GB 8906707A GB 8906707 A GB8906707 A GB 8906707A GB 2217321 A GB2217321 A GB 2217321A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
titanium
organic
membranes
ceramic
degraded
Prior art date
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.)
Granted
Application number
GB8906707A
Other versions
GB2217321B (en )
GB8906707D0 (en )
Inventor
Marc A Anderson
Simonetta Tunesi
Qunyin Xu
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.)
Wisconsin Alumni Research Foundation
Original Assignee
Wisconsin Alumni Research Foundation
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.)
Filing date
Publication date

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/10Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
    • A62D3/17Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation to electromagnetic radiation, e.g. emitted by a laser
    • A62D3/176Ultraviolet radiations, i.e. radiation having a wavelength of about 3nm to 400nm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J16/00Chemical processes in general for reacting liquids with non- particulate solids, e.g. sheet material; Apparatus specially adapted therefor
    • B01J16/005Chemical processes in general for reacting liquids with non- particulate solids, e.g. sheet material; Apparatus specially adapted therefor in the presence of catalytically active bodies, e.g. porous plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122Incoherent waves
    • B01J19/123Ultra-violet light
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/20Organic substances
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/20Organic substances
    • A62D2101/22Organic substances containing halogen

Abstract

Complex organic molecules, such as polychlorinated biphenyls can be degraded on porous titanium ceramic membranes by photocatalysis under ultraviolet light.
GB8906707A 1987-07-27 1988-07-26 Degradation of organic chemicals with titanium ceramic membranes Expired - Lifetime GB2217321B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US7804387 true 1987-07-27 1987-07-27
PCT/US1988/002539 WO1989000985A1 (en) 1987-07-27 1988-07-26 Degradation of organic chemicals with titanium ceramic membranes

Publications (3)

Publication Number Publication Date
GB8906707D0 GB8906707D0 (en) 1989-05-24
GB2217321A true true GB2217321A (en) 1989-10-25
GB2217321B GB2217321B (en) 1991-11-27

Family

ID=22141566

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8906707A Expired - Lifetime GB2217321B (en) 1987-07-27 1988-07-26 Degradation of organic chemicals with titanium ceramic membranes

Country Status (5)

Country Link
JP (1) JP2739128B2 (en)
CA (1) CA1334520C (en)
DE (1) DE3890597C2 (en)
GB (1) GB2217321B (en)
WO (1) WO1989000985A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4002437A1 (en) * 1990-01-27 1991-08-01 Man Technologie Gmbh Catalytic gas phase decomposition of organic halogen cpds.
US5137607A (en) * 1990-04-27 1992-08-11 Wisconsin Alumni Research Foundation Reactor vessel using metal oxide ceramic membranes
GB9102766D0 (en) * 1991-02-09 1991-03-27 Tioxide Group Services Ltd Destruction process
GB9102767D0 (en) * 1991-02-09 1991-03-27 Tioxide Group Services Ltd Destruction process
US5468699A (en) * 1992-07-30 1995-11-21 Inrad Molecular sieve - photoactive semiconductor membranes and reactions employing the membranes
JP2636158B2 (en) * 1993-12-09 1997-07-30 工業技術院長 A porous titanium oxide thin film photocatalyst and a method of manufacturing the same
US6284314B1 (en) 1993-12-09 2001-09-04 Agency Of Industrial Science & Technology, Ministry Of International Trade & Industry Porous ceramic thin film and method for production thereof
CN100569357C (en) 2004-07-23 2009-12-16 东莞市宇洁新材料有限公司 Process for preparing photocatalyst composite material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072596A (en) * 1975-04-30 1978-02-07 Westinghouse Electric Corporation Apparatus for removal of contaminants from water
US4585533A (en) * 1985-04-19 1986-04-29 Exxon Research And Engineering Co. Removal of halogen from polyhalogenated compounds by electrolysis
US4659443A (en) * 1984-08-22 1987-04-21 Pcb Sandpiper, Inc. Halogenated aromatic compound removal and destruction process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594436A (en) * 1982-06-29 1984-01-11 Toshiba Corp Photochemical reaction method using solar light
JPS6219240B2 (en) * 1983-11-30 1987-04-27 Giken Kogyo Kk

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072596A (en) * 1975-04-30 1978-02-07 Westinghouse Electric Corporation Apparatus for removal of contaminants from water
US4659443A (en) * 1984-08-22 1987-04-21 Pcb Sandpiper, Inc. Halogenated aromatic compound removal and destruction process
US4585533A (en) * 1985-04-19 1986-04-29 Exxon Research And Engineering Co. Removal of halogen from polyhalogenated compounds by electrolysis

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Bulletin of Enviroment Contamination *

Also Published As

Publication number Publication date Type
JPH02500258A (en) 1990-02-01 application
JP2739128B2 (en) 1998-04-08 grant
GB2217321B (en) 1991-11-27 grant
CA1334520C (en) 1995-02-21 grant
DE3890597C2 (en) 1996-11-07 grant
WO1989000985A1 (en) 1989-02-09 application
GB8906707D0 (en) 1989-05-24 grant

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20080725