DE69000660T2 - Verfahren zur heterogenen katalytischen photozersetzung von schadstoffen. - Google Patents
Verfahren zur heterogenen katalytischen photozersetzung von schadstoffen.Info
- Publication number
- DE69000660T2 DE69000660T2 DE9090202382T DE69000660T DE69000660T2 DE 69000660 T2 DE69000660 T2 DE 69000660T2 DE 9090202382 T DE9090202382 T DE 9090202382T DE 69000660 T DE69000660 T DE 69000660T DE 69000660 T2 DE69000660 T2 DE 69000660T2
- Authority
- DE
- Germany
- Prior art keywords
- lamp
- reactor
- semiconductor
- water
- membrane
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 18
- 230000003197 catalytic effect Effects 0.000 title description 2
- 238000006303 photolysis reaction Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 231100000719 pollutant Toxicity 0.000 claims abstract description 17
- 239000004065 semiconductor Substances 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 230000005855 radiation Effects 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 4
- 239000004005 microsphere Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 229920001059 synthetic polymer Polymers 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 239000007809 chemical reaction catalyst Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 19
- IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000001782 photodegradation Methods 0.000 description 4
- 238000001246 colloidal dispersion Methods 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011325 microbead Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- 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
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/908—Organic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
- Fire-Extinguishing Compositions (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8921740A IT1231959B (it) | 1989-09-15 | 1989-09-15 | Metodo per la fotodegradazione catalitica eterogenea di inquinanti |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69000660D1 DE69000660D1 (de) | 1993-02-04 |
| DE69000660T2 true DE69000660T2 (de) | 1993-07-01 |
Family
ID=11186204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9090202382T Expired - Fee Related DE69000660T2 (de) | 1989-09-15 | 1990-09-07 | Verfahren zur heterogenen katalytischen photozersetzung von schadstoffen. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5053136A (enExample) |
| EP (1) | EP0417847B1 (enExample) |
| AT (1) | ATE83755T1 (enExample) |
| DE (1) | DE69000660T2 (enExample) |
| DK (1) | DK0417847T3 (enExample) |
| ES (1) | ES2038484T3 (enExample) |
| GR (1) | GR3006896T3 (enExample) |
| IT (1) | IT1231959B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5130031A (en) * | 1990-11-01 | 1992-07-14 | Sri International | Method of treating aqueous liquids using light energy, ultrasonic energy, and a photocatalyst |
| AUPM646094A0 (en) * | 1994-06-27 | 1994-07-21 | Arthur, Ronald W. | An improved method for the photocatalytic oxidation of water borne chemical species |
| AU709825B2 (en) * | 1994-06-27 | 1999-09-09 | Ronald William Arthur | Water Purification |
| US5494643A (en) * | 1995-04-04 | 1996-02-27 | University Of New Mexico | Method and apparatus for optimizing control of an immobilized film photoreactor |
| US7578208B2 (en) * | 2006-12-15 | 2009-08-25 | Mocon, Inc. | System and method for generating a gas sample of known and adjustable relative humidity |
| RU2414431C1 (ru) * | 2009-08-13 | 2011-03-20 | Учреждение Российской академии наук Байкальский институт природопользования Сибирского отделения РАН (БИП СО РАН) | Способ фотокаталитического обеззараживания воды |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4008398A (en) * | 1974-03-11 | 1977-02-15 | Schramm Benjamin B | Transducer signal conditioning circuit |
| US4069153A (en) * | 1975-10-28 | 1978-01-17 | American Sterilizer Company | Method of destroying pyrogens |
| JPS5371686A (en) * | 1976-12-09 | 1978-06-26 | Efu Konerii Robaato | Tubular molecule filtering apparatus |
| JPS588812B2 (ja) * | 1979-04-10 | 1983-02-17 | マルイ工業株式会社 | 魚類飼育水槽用水の浄化方法 |
| US4478699A (en) * | 1980-05-09 | 1984-10-23 | Yeda Research & Development Company, Ltd. | Photosynthetic solar energy collector and process for its use |
| JPS6176160A (ja) * | 1984-09-21 | 1986-04-18 | 松永 是 | 殺細胞方法 |
| US4749657A (en) * | 1984-10-03 | 1988-06-07 | Xertex Corporation | Organic spill monitor |
| GB2179646B (en) * | 1985-08-22 | 1989-11-29 | Elga Ltd | Liquid purification apparatus |
| US4888101A (en) * | 1986-07-24 | 1989-12-19 | Gerald Cooper | System for and method of photocatalytically modifying a chemical composition and method of constructing a panel utilized in the system and the method |
| GB8720818D0 (en) * | 1987-09-04 | 1987-10-14 | Cogent Ltd | Polysiloxane coatings |
| US4892712A (en) * | 1987-09-04 | 1990-01-09 | Nutech Energy Systems Inc. | Fluid purification |
| AT389099B (de) * | 1987-09-08 | 1989-10-10 | Simmering Graz Pauker Ag | Verfahren und vorrichtung zur reinigung einer mit organischen und/oder anorganischen fremdstoffen belasteten fluessigkeit, sowie verwendung einer halbleiterschicht |
| PH31354A (en) * | 1987-11-06 | 1998-07-31 | Knight John B | Apparatus for water treatment. |
-
1989
- 1989-09-15 IT IT8921740A patent/IT1231959B/it active
-
1990
- 1990-09-07 EP EP90202382A patent/EP0417847B1/en not_active Expired
- 1990-09-07 DE DE9090202382T patent/DE69000660T2/de not_active Expired - Fee Related
- 1990-09-07 DK DK90202382.9T patent/DK0417847T3/da active
- 1990-09-07 AT AT90202382T patent/ATE83755T1/de not_active IP Right Cessation
- 1990-09-07 ES ES199090202382T patent/ES2038484T3/es not_active Expired - Lifetime
- 1990-09-10 US US07/579,700 patent/US5053136A/en not_active Expired - Fee Related
-
1993
- 1993-01-27 GR GR930400150T patent/GR3006896T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES2038484T3 (es) | 1993-07-16 |
| DE69000660D1 (de) | 1993-02-04 |
| GR3006896T3 (enExample) | 1993-06-30 |
| EP0417847B1 (en) | 1992-12-23 |
| EP0417847A1 (en) | 1991-03-20 |
| IT8921740A0 (it) | 1989-09-15 |
| DK0417847T3 (da) | 1993-04-19 |
| IT1231959B (it) | 1992-01-16 |
| US5053136A (en) | 1991-10-01 |
| ATE83755T1 (de) | 1993-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |