In situ FT-IR study of CO and H2 adsorption on a Pt/Al2O3 catalyst

被引：32
|
作者：
Liu, D [1 ]
Que, GH [1 ]
Wang, ZX [1 ]
Yan, ZF [1 ]
机构：
[1] Univ Petr, State Key Lab Heavy Oil Proc, Dongying 257062, Peoples R China
来源：
CATALYSIS TODAY | 2001年 / 68卷 / 1-3期
关键词：
FT-IR; Pt/Al2O3; adsorption;
D O I：
10.1016/S0920-5861(01)00306-6
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Infrared spectra are reported of Pt/Al2O3 exposed to CO and H-2 at different conditions. Two broad bands appeared in the spectra at 2180 and 2550 cm(-1) due to the catalyst Pt/Al2O3 itself and became stronger while increasing the temperature. Adsorption of CO on Pt/Al2O3 gave an infrared band at 2085 cm-1, and when H-2 was adsorbed, methane was formed due to reaction of H-2 and the pollutant CO, while increasing the temperature, above 673 K for 1 h or so, when the pollutant CO had almost disappeared during the reaction, a band at 2060 cm(-1) appeared due to H-2 adsorption on Pt/Al2O3. (C) 2001 Elsevier Science BN. All rights reserved.
引用
收藏
页码：155 / 160
页数：6
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