JP5037836B2 - 光触媒材料 - Google Patents
光触媒材料 Download PDFInfo
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- JP5037836B2 JP5037836B2 JP2006054599A JP2006054599A JP5037836B2 JP 5037836 B2 JP5037836 B2 JP 5037836B2 JP 2006054599 A JP2006054599 A JP 2006054599A JP 2006054599 A JP2006054599 A JP 2006054599A JP 5037836 B2 JP5037836 B2 JP 5037836B2
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- JP
- Japan
- Prior art keywords
- photocatalytic
- silver
- zinc oxide
- titanium oxide
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- 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.)
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- 230000001699 photocatalysis Effects 0.000 title claims description 73
- 239000000463 material Substances 0.000 title claims description 49
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 255
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 81
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 53
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 43
- 239000011787 zinc oxide Substances 0.000 claims description 40
- 239000011941 photocatalyst Substances 0.000 claims description 31
- 239000002245 particle Substances 0.000 claims description 21
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 17
- 229910052709 silver Inorganic materials 0.000 claims description 16
- 239000004332 silver Substances 0.000 claims description 16
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000007146 photocatalysis Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 description 50
- 239000007789 gas Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- DUCFBDUJLLKKPR-UHFFFAOYSA-N [O--].[Zn++].[Ag+] Chemical compound [O--].[Zn++].[Ag+] DUCFBDUJLLKKPR-UHFFFAOYSA-N 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 229910000510 noble metal Inorganic materials 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 229910010413 TiO 2 Inorganic materials 0.000 description 5
- 239000010931 gold Substances 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910001361 White metal Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(III) oxide Inorganic materials O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000010354 integration Effects 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 208000008842 sick building syndrome Diseases 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- POZPMIFKBAEGSS-UHFFFAOYSA-K trisodium;2-hydroxypropane-1,2,3-tricarboxylate;trihydrate Chemical compound O.O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O POZPMIFKBAEGSS-UHFFFAOYSA-K 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010969 white metal Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Description
また、請求項2の発明は、請求項1の光触媒材料において、上記多孔質酸化チタンと上記銀担持酸化亜鉛粒子とのうち、何れか一方の1重量部に対して、他方を0.5〜2重量部の割合で添加したことを特徴とするものである。
参考形態に係る光触媒材料は、無機物質からなる第1光触媒物質と、これとは異なる無機物質からなる第2光触媒物質とを含有している。第1光触媒物質、第2光触媒物質の何れも、光照射によって窒素酸化物(以下、NOXという)の化学反応の触媒としての性能を高めることができる。
実施形態に係る光触媒材料では、第1光触媒物質として、多孔質酸化チタン粉末を含有している。この多孔質酸化チタン粉末は、周知のゾル−ゲル法によって二酸化チタンに多孔質構造を付与したものである。
・混合比3:1(TiO2:Ag−ZnO)
・混合比2:1(TiO2:Ag−ZnO)
・混合比1:1(TiO2:Ag−ZnO)
・混合比1:2(TiO2:Ag−ZnO)
・混合比1:3(TiO2:Ag−ZnO)
2:空気送出管
3:加湿器
4:加湿空気送出管
5:分岐管
6:NOガスボンベ
7:流量制御弁
8:暗箱
9:石英ガラス管
10:光源
11:処理気体送出管
12:NOX濃度測定装置
Claims (2)
- 光照射により、窒素酸化物(NOX)を分解する触媒としての性能を高める光触媒材料であって、
多孔質構造の酸化チタンである多孔質酸化チタンと、光触媒作用による窒素酸化物分解能力が該多孔質酸化チタンよりも高く、且つ銀粒子を担持させた酸化亜鉛粒子である、銀担持酸化亜鉛粒子とを含有することを特徴とする光触媒材料。 - 請求項1の光触媒材料において、
上記多孔質酸化チタンと上記銀担持酸化亜鉛粒子とのうち、何れか一方の1重量部に対して、他方を0.5〜2重量部の割合で添加したことを特徴とする光触媒材料。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006054599A JP5037836B2 (ja) | 2006-03-01 | 2006-03-01 | 光触媒材料 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006054599A JP5037836B2 (ja) | 2006-03-01 | 2006-03-01 | 光触媒材料 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007229624A JP2007229624A (ja) | 2007-09-13 |
JP5037836B2 true JP5037836B2 (ja) | 2012-10-03 |
Family
ID=38550751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006054599A Expired - Fee Related JP5037836B2 (ja) | 2006-03-01 | 2006-03-01 | 光触媒材料 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5037836B2 (ja) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01218622A (ja) * | 1988-02-26 | 1989-08-31 | Agency Of Ind Science & Technol | 空気中低濃度窒素酸化物の除去方法 |
JPH08215563A (ja) * | 1995-02-09 | 1996-08-27 | Ishikawajima Harima Heavy Ind Co Ltd | 光触媒およびこれを用いた環境汚染物質除去材 |
JPH1033990A (ja) * | 1996-05-20 | 1998-02-10 | Agency Of Ind Science & Technol | 窒素酸化物除去用光触媒及びそれを用いた窒素酸化物除去方法 |
JP2004290974A (ja) * | 1996-12-10 | 2004-10-21 | Toto Ltd | 光触媒配合物と光触媒含有物並びに光触媒機能発揮材およびその製造方法 |
JPH10305230A (ja) * | 1997-03-07 | 1998-11-17 | Sumitomo Metal Ind Ltd | 光触媒とその製造方法および有害物質の分解・除去方法 |
JP3886594B2 (ja) * | 1997-04-03 | 2007-02-28 | 独立行政法人産業技術総合研究所 | 酸化チタンを担持したシリカ三次元網状構造光触媒の製造方法 |
JP3550652B2 (ja) * | 2000-03-29 | 2004-08-04 | 独立行政法人産業技術総合研究所 | 二酸化チタン被覆アパタイト |
JP2002210364A (ja) * | 2000-11-16 | 2002-07-30 | C Uyemura & Co Ltd | 光触媒性を有する酸化亜鉛皮膜及びその形成方法 |
JP2004050091A (ja) * | 2002-07-22 | 2004-02-19 | Chiyoda Corp | 光触媒用多孔質酸化チタン及びその製造方法並びに成形光触媒 |
JP2004283691A (ja) * | 2003-03-20 | 2004-10-14 | Mitsubishi Chemicals Corp | 光触媒成分含有多孔質体およびその製造方法 |
JP2005125132A (ja) * | 2003-10-21 | 2005-05-19 | Toshiba Ceramics Co Ltd | 光触媒粒子 |
JP2005206412A (ja) * | 2004-01-22 | 2005-08-04 | Toshiba Ceramics Co Ltd | 二酸化チタン微粒子および二酸化チタン多孔体 |
JP4591920B2 (ja) * | 2004-04-06 | 2010-12-01 | 東北リコー株式会社 | 光触媒体及びその製造方法 |
JP2005329360A (ja) * | 2004-05-21 | 2005-12-02 | Noritake Co Ltd | 浄化材及びその製造方法 |
-
2006
- 2006-03-01 JP JP2006054599A patent/JP5037836B2/ja not_active Expired - Fee Related
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JP2007229624A (ja) | 2007-09-13 |
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