FR2906473A1 - Decontamination d'un milieu gazeux par un semi-conducteur photoactive. - Google Patents
Decontamination d'un milieu gazeux par un semi-conducteur photoactive. Download PDFInfo
- Publication number
- FR2906473A1 FR2906473A1 FR0608533A FR0608533A FR2906473A1 FR 2906473 A1 FR2906473 A1 FR 2906473A1 FR 0608533 A FR0608533 A FR 0608533A FR 0608533 A FR0608533 A FR 0608533A FR 2906473 A1 FR2906473 A1 FR 2906473A1
- Authority
- FR
- France
- Prior art keywords
- gaseous medium
- reactor
- photocatalytic coating
- bacteria
- photocatalytic
- 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
Links
- 238000005202 decontamination Methods 0.000 title abstract description 12
- 230000003588 decontaminative effect Effects 0.000 title abstract description 10
- 239000004065 semiconductor Substances 0.000 title description 41
- 230000001699 photocatalysis Effects 0.000 claims abstract description 41
- 238000000576 coating method Methods 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 23
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 40
- 239000003124 biologic agent Substances 0.000 claims description 32
- 241000894006 Bacteria Species 0.000 claims description 28
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 27
- 239000000443 aerosol Substances 0.000 claims description 10
- 241000589242 Legionella pneumophila Species 0.000 claims description 9
- 229940115932 legionella pneumophila Drugs 0.000 claims description 6
- 241000589248 Legionella Species 0.000 claims description 5
- 208000007764 Legionnaires' Disease Diseases 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 description 35
- 230000005855 radiation Effects 0.000 description 21
- 239000007789 gas Substances 0.000 description 19
- 239000013043 chemical agent Substances 0.000 description 18
- 238000000151 deposition Methods 0.000 description 10
- 239000011941 photocatalyst Substances 0.000 description 10
- 229910010413 TiO 2 Inorganic materials 0.000 description 9
- 239000006185 dispersion Substances 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 230000002779 inactivation Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 230000009931 harmful effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 241000700605 Viruses Species 0.000 description 4
- -1 WO 3 Chemical class 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 241000894007 species Species 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 230000002186 photoactivation Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- XJMOSONTPMZWPB-UHFFFAOYSA-M propidium iodide Chemical compound [I-].[I-].C12=CC(N)=CC=C2C2=CC=C(N)C=C2[N+](CCC[N+](C)(CC)CC)=C1C1=CC=CC=C1 XJMOSONTPMZWPB-UHFFFAOYSA-M 0.000 description 2
- 230000010076 replication Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 208000004023 Legionellosis Diseases 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001454 anthracenes Chemical class 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000001317 epifluorescence microscopy Methods 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001046 green dye Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000001044 red dye Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
- A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (14)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0608533A FR2906473B1 (fr) | 2006-09-28 | 2006-09-28 | Decontamination d'un milieu gazeux par un semi-conducteur photoactive. |
PCT/FR2007/001593 WO2008037900A2 (fr) | 2006-09-28 | 2007-09-28 | Dispositif de purification de milieux gazeux et procede de mise en oeuvre |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0608533A FR2906473B1 (fr) | 2006-09-28 | 2006-09-28 | Decontamination d'un milieu gazeux par un semi-conducteur photoactive. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2906473A1 true FR2906473A1 (fr) | 2008-04-04 |
FR2906473B1 FR2906473B1 (fr) | 2011-03-04 |
Family
ID=38005720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0608533A Active FR2906473B1 (fr) | 2006-09-28 | 2006-09-28 | Decontamination d'un milieu gazeux par un semi-conducteur photoactive. |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2906473B1 (fr) |
WO (1) | WO2008037900A2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2929521B1 (fr) * | 2008-04-07 | 2010-05-14 | Marie-Charlotte Bernard | Procede et appareil de purification d'air |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63315137A (ja) * | 1987-06-16 | 1988-12-22 | Matsushita Electric Ind Co Ltd | 空気清浄装置 |
US5919422A (en) * | 1995-07-28 | 1999-07-06 | Toyoda Gosei Co., Ltd. | Titanium dioxide photo-catalyzer |
JP2000073991A (ja) * | 1998-08-31 | 2000-03-07 | Nippon Kobunshi Kk | 脱臭可能な送風用ファン及び脱臭空調装置 |
JP2001087361A (ja) * | 1999-09-27 | 2001-04-03 | Max Co Ltd | 光触媒式空気清浄機 |
US20030143133A1 (en) * | 2002-01-31 | 2003-07-31 | Liu Wei Ju | Air cleaning apparatus |
WO2004016296A2 (fr) * | 2002-08-17 | 2004-02-26 | The University Of Nottingham | Appareil de catalyse d'une reaction dans une matiere fluide |
WO2006043124A1 (fr) * | 2004-10-21 | 2006-04-27 | Carrier Corporation | Unites de ventilation |
-
2006
- 2006-09-28 FR FR0608533A patent/FR2906473B1/fr active Active
-
2007
- 2007-09-28 WO PCT/FR2007/001593 patent/WO2008037900A2/fr active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63315137A (ja) * | 1987-06-16 | 1988-12-22 | Matsushita Electric Ind Co Ltd | 空気清浄装置 |
US5919422A (en) * | 1995-07-28 | 1999-07-06 | Toyoda Gosei Co., Ltd. | Titanium dioxide photo-catalyzer |
JP2000073991A (ja) * | 1998-08-31 | 2000-03-07 | Nippon Kobunshi Kk | 脱臭可能な送風用ファン及び脱臭空調装置 |
JP2001087361A (ja) * | 1999-09-27 | 2001-04-03 | Max Co Ltd | 光触媒式空気清浄機 |
US20030143133A1 (en) * | 2002-01-31 | 2003-07-31 | Liu Wei Ju | Air cleaning apparatus |
WO2004016296A2 (fr) * | 2002-08-17 | 2004-02-26 | The University Of Nottingham | Appareil de catalyse d'une reaction dans une matiere fluide |
WO2006043124A1 (fr) * | 2004-10-21 | 2006-04-27 | Carrier Corporation | Unites de ventilation |
Non-Patent Citations (1)
Title |
---|
DATABASE WPI Week 200024, Derwent World Patents Index; AN 2000-276296, XP002433306 * |
Also Published As
Publication number | Publication date |
---|---|
WO2008037900A2 (fr) | 2008-04-03 |
WO2008037900A3 (fr) | 2008-05-08 |
FR2906473B1 (fr) | 2011-03-04 |
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