Improved catalyst for photocatalytic oxidation of acetaldehyde above room temperature

被引:35
作者
Muggli, DS [1 ]
Ding, LF [1 ]
Odland, MJ [1 ]
机构
[1] Univ N Dakota, Dept Chem Engn, Grand Forks, ND 58202 USA
关键词
sulfated TiO2; photocatalytic oxidation; superacid; acetaldehyde; acidity;
D O I
10.1023/A:1014954114655
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Sulfated TiO2 was more active and deactivated more slowly than Degussa P-25 TiO2 during PCO of acetaldehyde above 373 K. Thermal catalytic reactions appear to poison both catalysts. Sulfating TiO2 increased surface area by 60% and increased the number of acetaldehyde adsorption sites by a factor of 1.7.
引用
收藏
页码:23 / 31
页数:9
相关论文
共 34 条
[1]   Preparation of superacids by metal oxides for reactions of butanes and pentanes [J].
Arata, K .
APPLIED CATALYSIS A-GENERAL, 1996, 146 (01) :3-32
[2]   SELECTIVITY CONTROL DURING THE PHOTOASSISTED OXIDATION OF 1-BUTANOL ON TITANIUM-DIOXIDE [J].
BLAKE, NR ;
GRIFFIN, GL .
JOURNAL OF PHYSICAL CHEMISTRY, 1988, 92 (20) :5697-5701
[3]   The effect of sulfation conditions and activation temperature of sulfate-doped ZrO2, TiO2 and SnO2 catalysts during isobutane/2-butene alkylation [J].
Corma, A ;
Martinez, A ;
Martinez, C .
APPLIED CATALYSIS A-GENERAL, 1996, 144 (1-2) :249-268
[4]   SURFACE-ACIDITY AND PHOTOCATALYTIC ACTIVITY OF NB2O5/TIO2 PHOTOCATALYSTS [J].
CUI, H ;
DWIGHT, K ;
SOLED, S ;
WOLD, A .
JOURNAL OF SOLID STATE CHEMISTRY, 1995, 115 (01) :187-191
[5]  
CUNNINGHAM J, 1977, P ROYAL IRISH ACAD, V411
[6]   PHOTOINTERACTION ON SURFACE OF TITANIUM-DIOXIDE BETWEEN OXYGEN AND ALKANES [J].
DJEGHRI, N ;
FORMENTI, M ;
JUILLET, F ;
TEICHNER, SJ .
FARADAY DISCUSSIONS, 1974, 58 :185-193
[7]   Photocatalytic and thermal catalytic oxidation of acetaldehyde on Pt/TiO2 [J].
Falconer, JL ;
Magrini-Bair, KA .
JOURNAL OF CATALYSIS, 1998, 179 (01) :171-178
[8]  
Fu X. Z., 1999, CHINESE J CATAL+, V20, P321
[9]   Effects of reaction temperature and water vapor content on the heterogeneous photocatalytic oxidation of ethylene [J].
Fu, XZ ;
Clark, LA ;
Zeltner, WA ;
Anderson, MA .
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 1996, 97 (03) :181-186
[10]   Selectivity and mechanism shifts in the reactions of acetaldehyde on oxidized and reduced TiO2(001) surfaces [J].
Idriss, H ;
Barteau, MA .
CATALYSIS LETTERS, 1996, 40 (3-4) :147-153