WO2002083570A1 - Apparatus and method for phtocatalytic purification and disinfection of water and ultrapure water - Google Patents
Apparatus and method for phtocatalytic purification and disinfection of water and ultrapure water Download PDFInfo
- Publication number
- WO2002083570A1 WO2002083570A1 PCT/US2001/040515 US0140515W WO02083570A1 WO 2002083570 A1 WO2002083570 A1 WO 2002083570A1 US 0140515 W US0140515 W US 0140515W WO 02083570 A1 WO02083570 A1 WO 02083570A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- semiconductor
- water
- substrate
- semiconductor unit
- unit
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 229910001868 water Inorganic materials 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000000746 purification Methods 0.000 title abstract description 16
- 229910021642 ultra pure water Inorganic materials 0.000 title description 13
- 239000012498 ultrapure water Substances 0.000 title description 13
- 238000004659 sterilization and disinfection Methods 0.000 title description 6
- 239000004065 semiconductor Substances 0.000 claims abstract description 118
- 239000012530 fluid Substances 0.000 claims abstract description 42
- 239000000356 contaminant Substances 0.000 claims abstract description 15
- 238000013032 photocatalytic reaction Methods 0.000 claims abstract description 5
- 230000001737 promoting effect Effects 0.000 claims abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 102
- 239000000758 substrate Substances 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 31
- 239000011148 porous material Substances 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 7
- 230000008021 deposition Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 6
- 239000005350 fused silica glass Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052753 mercury Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 5
- -1 rutlienium Chemical compound 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 4
- 239000007800 oxidant agent Substances 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000002906 microbiologic effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 150000002978 peroxides Chemical class 0.000 claims description 3
- 238000013033 photocatalytic degradation reaction Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000012876 topography Methods 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 150000003624 transition metals Chemical class 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- 229910002971 CaTiO3 Inorganic materials 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 238000001659 ion-beam spectroscopy Methods 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000010955 niobium Substances 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 229920000620 organic polymer Polymers 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- 239000010948 rhodium Substances 0.000 claims description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 239000011135 tin Substances 0.000 claims description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten(VI) oxide Inorganic materials O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 238000007740 vapor deposition Methods 0.000 claims description 2
- 229910052724 xenon Inorganic materials 0.000 claims description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 230000000593 degrading effect Effects 0.000 claims 1
- 238000005566 electron beam evaporation Methods 0.000 claims 1
- 229910052738 indium Inorganic materials 0.000 claims 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims 1
- 238000001755 magnetron sputter deposition Methods 0.000 claims 1
- 238000001451 molecular beam epitaxy Methods 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 238000005118 spray pyrolysis Methods 0.000 claims 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 abstract description 60
- 239000004408 titanium dioxide Substances 0.000 description 37
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 24
- 230000006378 damage Effects 0.000 description 13
- 239000012528 membrane Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- 239000011152 fibreglass Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 6
- 238000005286 illumination Methods 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 238000003980 solgel method Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- 239000008213 purified water Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 239000002957 persistent organic pollutant Substances 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 4
- 239000011941 photocatalyst Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 230000033558 biomineral tissue development Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 235000012206 bottled water Nutrition 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006862 quantum yield reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000001429 visible spectrum Methods 0.000 description 2
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- WXNZTHHGJRFXKQ-UHFFFAOYSA-N 4-chlorophenol Chemical compound OC1=CC=C(Cl)C=C1 WXNZTHHGJRFXKQ-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 238000001237 Raman spectrum Methods 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052946 acanthite Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 229950011260 betanaphthol Drugs 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002158 endotoxin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052949 galena Inorganic materials 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000002186 photoactivation Effects 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- FSJWWSXPIWGYKC-UHFFFAOYSA-M silver;silver;sulfanide Chemical compound [SH-].[Ag].[Ag+] FSJWWSXPIWGYKC-UHFFFAOYSA-M 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052959 stibnite Inorganic materials 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 238000011071 total organic carbon measurement Methods 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 150000003682 vanadium compounds Chemical group 0.000 description 1
- 239000011800 void material 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
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/088—Radiation using a photocatalyst or photosensitiser
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/123—Ultra-violet light
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/127—Sunlight; Visible light
-
- 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
-
- 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
- C02F1/325—Irradiation devices or lamp constructions
-
- 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
-
- 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
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/16—Mobile applications, e.g. portable devices, trailers, devices mounted on vehicles
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
- B01J2219/0077—Baffles attached to the reactor wall inclined
- B01J2219/00772—Baffles attached to the reactor wall inclined in a helix
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0873—Materials to be treated
- B01J2219/0881—Two or more materials
- B01J2219/0884—Gas-liquid
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0873—Materials to be treated
- B01J2219/0892—Materials to be treated involving catalytically active material
-
- B01J35/39—
-
- B01J35/56—
-
- 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
-
- 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
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/727—Treatment of water, waste water, or sewage by oxidation using pure oxygen or oxygen rich gas
-
- 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
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3227—Units with two or more lamps
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Catalysts (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01927447A EP1434737A4 (en) | 2001-04-12 | 2001-04-12 | Apparatus and method for photocatalytic purification and disinfection of water and ultrapure water |
CA002444385A CA2444385A1 (en) | 2001-04-12 | 2001-04-12 | Apparatus and method for phtocatalytic purification and disinfection of water and ultrapure water |
JP2002581331A JP2004528171A (en) | 2001-04-12 | 2001-04-12 | Apparatus and method for photocatalytic purification and sterilization of water and ultrapure water |
PCT/US2001/040515 WO2002083570A1 (en) | 2001-04-12 | 2001-04-12 | Apparatus and method for phtocatalytic purification and disinfection of water and ultrapure water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2001/040515 WO2002083570A1 (en) | 2001-04-12 | 2001-04-12 | Apparatus and method for phtocatalytic purification and disinfection of water and ultrapure water |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002083570A1 true WO2002083570A1 (en) | 2002-10-24 |
Family
ID=21742933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/040515 WO2002083570A1 (en) | 2001-04-12 | 2001-04-12 | Apparatus and method for phtocatalytic purification and disinfection of water and ultrapure water |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1434737A4 (en) |
JP (1) | JP2004528171A (en) |
CA (1) | CA2444385A1 (en) |
WO (1) | WO2002083570A1 (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003027021A2 (en) * | 2001-09-24 | 2003-04-03 | Malcolm Robert Snowball | Fluid treatment apparatus comprising doped semiconductor material |
EP1567259A2 (en) * | 2002-11-15 | 2005-08-31 | Gary M. Carmignani | Apparatus and method for photocatalytic purification and disinfection of fluids |
EP1744790A1 (en) * | 2005-03-24 | 2007-01-24 | Purifics Environmental Technologies, Inc. | Systems and methods for in-situ cleaning of protective sleeves in uv decontamination systems |
EP1795503A1 (en) * | 2005-12-09 | 2007-06-13 | Goodrich Corporation | Water-purification device for a potable water system |
FR2895988A1 (en) * | 2006-01-10 | 2007-07-13 | Rit2 Soc Par Actions Simplifie | Photocatalytic cell fabricating method for e.g. air disinfection system, involves forming three dimensional pattern on surface of support plate, and depositing photocatalytic coating on three dimensional pattern |
WO2007113537A1 (en) * | 2006-04-01 | 2007-10-11 | P.W. Circuits Limited | Fluid treatment apparatus comprising ultraviolet light emitting diode |
EP1857416A2 (en) * | 2006-05-20 | 2007-11-21 | Hikari Hight-tech Ind.(china)Ltd. | Ultraviolet fluid purification apparatus |
WO2008001405A2 (en) * | 2006-06-26 | 2008-01-03 | Politecnico Di Milano | Metal or metalized fabrics coated with nanostructured titanium dioxide |
EP1882521A1 (en) | 2006-07-28 | 2008-01-30 | Huei-Tarng Liou | Device for on-line light radiation in gas-containing liquid |
WO2009027779A2 (en) * | 2007-08-03 | 2009-03-05 | Industrias Ramon Soler, S.A. | Sanitary apparatus |
WO2009129993A1 (en) * | 2008-04-21 | 2009-10-29 | A.C.K. Aqua Concept Gmbh Karlsruhe | Uv-reactor and uses thereof |
DE102008049381A1 (en) * | 2008-09-27 | 2010-04-01 | Hengst Gmbh & Co.Kg | Method for cleaning condensate containing oil and water portions, from compressed air system, comprises photocatalytically treating the condensate, which is converted into carbon dioxide and water |
US7780856B2 (en) | 2006-07-28 | 2010-08-24 | Huei-Tarng Liou | Device for on-line light radiation in gas-containing liquid |
EP2409954A1 (en) * | 2010-07-20 | 2012-01-25 | National Center for Scientific Research Demokritos | Photocatalytic purification device |
FR2966055A1 (en) * | 2010-10-14 | 2012-04-20 | Inst Nat Rech Securite | Conversion of chlorinated pollutants e.g. nitrogen trichloride into chlorinated oxidizing compounds e.g. chlorine gas, by stripping a volatile chlorinated substance contained in a liquid effluent, and performing photolysis of pollutants |
RU2473469C1 (en) * | 2011-08-05 | 2013-01-27 | Общество с ограниченной ответственностью "Газпром трансгаз Томск" | Method of sewage water purification |
CN104649364A (en) * | 2013-11-22 | 2015-05-27 | 中国科学院新疆理化技术研究所 | Method for application of sodium vanadium borate in oxidation degradation of chlorophenol contaminants under photocatalysis |
US9394186B2 (en) | 2009-11-06 | 2016-07-19 | Universidad Del Valle | Photo-catalysis process applied in eliminating recalcitrant compounds in industrial residual waters |
US10125031B2 (en) | 2015-06-08 | 2018-11-13 | King Fahd University Of Petroleum And Minerals | Method for disinfecting a fluid with a palladium-doped tungsten trioxide photo-catalyst |
CN111542498A (en) * | 2017-11-16 | 2020-08-14 | 庞蒂克技术有限责任公司 | Fluid purification device |
EP3684428A4 (en) * | 2017-10-09 | 2021-05-26 | Razvan Catalin Bucuresteanu | Photocatalytic method for disinfection of interior surfaces |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009066497A (en) * | 2007-09-12 | 2009-04-02 | Bridgestone Corp | Photocatalyst thin film of titanium oxide and its production method |
JP5517805B2 (en) * | 2010-07-15 | 2014-06-11 | パナソニック株式会社 | Visible light responsive photocatalyst, water splitting photocatalyst, hydrogen generation device, and water splitting method |
WO2020105247A1 (en) * | 2018-11-22 | 2020-05-28 | 日機装株式会社 | Endotoxin deactivation treatment device and endotoxin deactivation treatment method |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4966759A (en) * | 1987-09-04 | 1990-10-30 | Nutech Energy Systems Inc. | Fluid purification |
US5069885A (en) * | 1990-04-23 | 1991-12-03 | Ritchie David G | Photocatalytic fluid purification apparatus having helical nontransparent substrate |
US5501801A (en) * | 1993-11-30 | 1996-03-26 | Board Of Control Of Michigan Technology University | Method and apparatus for destroying organic compounds in fluid |
US5637231A (en) * | 1995-06-07 | 1997-06-10 | Huron Valley Technology, Inc. | Method and apparatus for using ozone in a pressure vessel to treat stream of pollutants |
US5790934A (en) * | 1996-10-25 | 1998-08-04 | E. Heller & Company | Apparatus for photocatalytic fluid purification |
US6030526A (en) * | 1996-12-31 | 2000-02-29 | Uv Technologies, Inc. | Water treatment and purification |
US6117337A (en) * | 1997-01-31 | 2000-09-12 | Lynntech, Inc. | Enhanced photocatalytic oxidation of organics using a porous titanium dioxide membrane |
US6135838A (en) * | 1998-10-07 | 2000-10-24 | Chung Shan Institute Of Science And Technology | Method of making UV lamp for air cleaning |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT389099B (en) * | 1987-09-08 | 1989-10-10 | Simmering Graz Pauker Ag | METHOD AND DEVICE FOR CLEANING A LIQUID CONTAINED WITH ORGANIC AND / OR INORGANIC FOREIGN MATERIALS, AND USE OF A SEMICONDUCTOR LAYER |
DE19716277A1 (en) * | 1997-04-18 | 1998-10-22 | Massholder Karl F Dr | Liquid or gas filtering and cleaning unit |
-
2001
- 2001-04-12 WO PCT/US2001/040515 patent/WO2002083570A1/en not_active Application Discontinuation
- 2001-04-12 CA CA002444385A patent/CA2444385A1/en not_active Abandoned
- 2001-04-12 EP EP01927447A patent/EP1434737A4/en not_active Withdrawn
- 2001-04-12 JP JP2002581331A patent/JP2004528171A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4966759A (en) * | 1987-09-04 | 1990-10-30 | Nutech Energy Systems Inc. | Fluid purification |
US5069885A (en) * | 1990-04-23 | 1991-12-03 | Ritchie David G | Photocatalytic fluid purification apparatus having helical nontransparent substrate |
US5501801A (en) * | 1993-11-30 | 1996-03-26 | Board Of Control Of Michigan Technology University | Method and apparatus for destroying organic compounds in fluid |
US5637231A (en) * | 1995-06-07 | 1997-06-10 | Huron Valley Technology, Inc. | Method and apparatus for using ozone in a pressure vessel to treat stream of pollutants |
US5790934A (en) * | 1996-10-25 | 1998-08-04 | E. Heller & Company | Apparatus for photocatalytic fluid purification |
US6030526A (en) * | 1996-12-31 | 2000-02-29 | Uv Technologies, Inc. | Water treatment and purification |
US6117337A (en) * | 1997-01-31 | 2000-09-12 | Lynntech, Inc. | Enhanced photocatalytic oxidation of organics using a porous titanium dioxide membrane |
US6135838A (en) * | 1998-10-07 | 2000-10-24 | Chung Shan Institute Of Science And Technology | Method of making UV lamp for air cleaning |
Non-Patent Citations (1)
Title |
---|
See also references of EP1434737A4 * |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003027021A2 (en) * | 2001-09-24 | 2003-04-03 | Malcolm Robert Snowball | Fluid treatment apparatus comprising doped semiconductor material |
WO2003027021A3 (en) * | 2001-09-24 | 2003-06-19 | Malcolm Robert Snowball | Fluid treatment apparatus comprising doped semiconductor material |
EP1567259A2 (en) * | 2002-11-15 | 2005-08-31 | Gary M. Carmignani | Apparatus and method for photocatalytic purification and disinfection of fluids |
EP1567259A4 (en) * | 2002-11-15 | 2007-03-14 | Gary M Carmignani | Apparatus and method for photocatalytic purification and disinfection of fluids |
EP1744790A1 (en) * | 2005-03-24 | 2007-01-24 | Purifics Environmental Technologies, Inc. | Systems and methods for in-situ cleaning of protective sleeves in uv decontamination systems |
EP1744790A4 (en) * | 2005-03-24 | 2009-04-29 | Purifics Environmental Technol | Systems and methods for in-situ cleaning of protective sleeves in uv decontamination systems |
EP1795503A1 (en) * | 2005-12-09 | 2007-06-13 | Goodrich Corporation | Water-purification device for a potable water system |
FR2895988A1 (en) * | 2006-01-10 | 2007-07-13 | Rit2 Soc Par Actions Simplifie | Photocatalytic cell fabricating method for e.g. air disinfection system, involves forming three dimensional pattern on surface of support plate, and depositing photocatalytic coating on three dimensional pattern |
WO2007113537A1 (en) * | 2006-04-01 | 2007-10-11 | P.W. Circuits Limited | Fluid treatment apparatus comprising ultraviolet light emitting diode |
EP1857416A2 (en) * | 2006-05-20 | 2007-11-21 | Hikari Hight-tech Ind.(china)Ltd. | Ultraviolet fluid purification apparatus |
EP1857416A3 (en) * | 2006-05-20 | 2008-08-27 | Hikari Hight Tech Ind China Lt | Ultraviolet fluid purification apparatus |
WO2008001405A2 (en) * | 2006-06-26 | 2008-01-03 | Politecnico Di Milano | Metal or metalized fabrics coated with nanostructured titanium dioxide |
WO2008001405A3 (en) * | 2006-06-26 | 2008-03-20 | Milano Politecnico | Metal or metalized fabrics coated with nanostructured titanium dioxide |
EP1882521A1 (en) | 2006-07-28 | 2008-01-30 | Huei-Tarng Liou | Device for on-line light radiation in gas-containing liquid |
US7780856B2 (en) | 2006-07-28 | 2010-08-24 | Huei-Tarng Liou | Device for on-line light radiation in gas-containing liquid |
WO2009027779A3 (en) * | 2007-08-03 | 2009-04-23 | Soler Ind | Sanitary apparatus |
WO2009027779A2 (en) * | 2007-08-03 | 2009-03-05 | Industrias Ramon Soler, S.A. | Sanitary apparatus |
WO2009129993A1 (en) * | 2008-04-21 | 2009-10-29 | A.C.K. Aqua Concept Gmbh Karlsruhe | Uv-reactor and uses thereof |
DE102008049381A1 (en) * | 2008-09-27 | 2010-04-01 | Hengst Gmbh & Co.Kg | Method for cleaning condensate containing oil and water portions, from compressed air system, comprises photocatalytically treating the condensate, which is converted into carbon dioxide and water |
US9394186B2 (en) | 2009-11-06 | 2016-07-19 | Universidad Del Valle | Photo-catalysis process applied in eliminating recalcitrant compounds in industrial residual waters |
EP2409954A1 (en) * | 2010-07-20 | 2012-01-25 | National Center for Scientific Research Demokritos | Photocatalytic purification device |
WO2012010645A1 (en) * | 2010-07-20 | 2012-01-26 | National Center For Scientific Research Demokritos | Photocatalytic purification device |
FR2966055A1 (en) * | 2010-10-14 | 2012-04-20 | Inst Nat Rech Securite | Conversion of chlorinated pollutants e.g. nitrogen trichloride into chlorinated oxidizing compounds e.g. chlorine gas, by stripping a volatile chlorinated substance contained in a liquid effluent, and performing photolysis of pollutants |
RU2473469C1 (en) * | 2011-08-05 | 2013-01-27 | Общество с ограниченной ответственностью "Газпром трансгаз Томск" | Method of sewage water purification |
CN104649364A (en) * | 2013-11-22 | 2015-05-27 | 中国科学院新疆理化技术研究所 | Method for application of sodium vanadium borate in oxidation degradation of chlorophenol contaminants under photocatalysis |
US10125031B2 (en) | 2015-06-08 | 2018-11-13 | King Fahd University Of Petroleum And Minerals | Method for disinfecting a fluid with a palladium-doped tungsten trioxide photo-catalyst |
US10160665B1 (en) | 2015-06-08 | 2018-12-25 | King Fahd University Of Petroleum And Minerals | Fixed bed method for disinfecting fluids |
US10421672B2 (en) | 2015-06-08 | 2019-09-24 | King Fahd University Of Petroleum And Minerals | Method of forming a photocatalyst and disinfecting a fluid |
EP3684428A4 (en) * | 2017-10-09 | 2021-05-26 | Razvan Catalin Bucuresteanu | Photocatalytic method for disinfection of interior surfaces |
CN111542498A (en) * | 2017-11-16 | 2020-08-14 | 庞蒂克技术有限责任公司 | Fluid purification device |
Also Published As
Publication number | Publication date |
---|---|
EP1434737A1 (en) | 2004-07-07 |
CA2444385A1 (en) | 2002-10-24 |
EP1434737A4 (en) | 2004-11-03 |
JP2004528171A (en) | 2004-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6524447B1 (en) | Apparatus and method for photocatalytic purification and disinfection of water and ultrapure water | |
WO2002083570A1 (en) | Apparatus and method for phtocatalytic purification and disinfection of water and ultrapure water | |
Giwa et al. | Recent advances in advanced oxidation processes for removal of contaminants from water: A comprehensive review | |
Li et al. | Catalytic membrane-based oxidation-filtration systems for organic wastewater purification: A review | |
US6902653B2 (en) | Apparatus and method for photocatalytic purification and disinfection of fluids | |
Ochiai et al. | Photoelectrochemical properties of TiO2 photocatalyst and its applications for environmental purification | |
US20050224335A1 (en) | Apparatus and method for photocatalytic purification and disinfection of fluids | |
EP2409954A1 (en) | Photocatalytic purification device | |
Wang et al. | Photocatalytic degradation of Acid Red 4 using a titanium dioxide membrane supported on a porous ceramic tube | |
Kumar et al. | Photocatalysis by nanoparticles of titanium dioxide for drinking water purification: a conceptual and state-of-art review | |
CN102281933A (en) | Systems and methods for performing the bacterial disinfection of a fluid using point radiation sources | |
Shukla et al. | Recent advances in heterogeneous micro-photoreactors for wastewater treatment application | |
Lee et al. | Detoxification of water by semiconductor photocatalysis | |
JP5897251B2 (en) | Water purification system | |
Zamani et al. | Spinning disc photoreactor based visible-light-driven Ag/Ag2O/TiO2 heterojunction photocatalyst film toward the degradation of amoxicillin | |
Khader et al. | Current trends for wastewater treatment technologies with typical configurations of photocatalytic membrane reactor hybrid systems: A review | |
WO2008113128A1 (en) | Method and apparatus for effecting a predetermined transformation | |
Qureshi et al. | Wastewater Treatment: Synthesis of Effective Photocatalysts Through Novel Approaches | |
Teekateerawej et al. | Photocatalytic microreactor study using TiO 2-coated porous ceramics | |
Mohammed et al. | Use of TiO2 in photocatalysis for air purification and wastewater treatment: A review | |
Divya et al. | Nano-photocatalysts in the treatment of colored wastewater-a review | |
US20220169537A1 (en) | Photoreactor and formulations for environmental remediation and methods of use thereof | |
CN103638889B (en) | Photocatalysis device and valve control application thereof | |
Yuan et al. | Photocatalytic Abatement of Emerging Micropollutants in Water and Wastewater | |
Lin et al. | Research progress and application exploration of techniques to remove emerging contaminants from water environment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2444385 Country of ref document: CA Ref document number: 2002581331 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1030/MUMNP/2003 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 018232442 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2001927447 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 2001927447 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2001927447 Country of ref document: EP |