引用本文:
齐共新, 费金华, 侯昭胤, 黄传敬, 王冬杰, 郑小明. 添加Mo对Cu/HZSM-5催化剂性能影响[J]. 应用化学,
1999, 16(6): 62-64.
Citation: Qi Gongxin, Fei Jinhua, Hou Zhaoyin, Huang Chuanjing, Wang Dongjie, Zheng Xiaoming. Catalytical Hydrogenation of CO2 over Copper-molybdenum Oxide Supported on HZSM-5[J]. Chinese Journal of Applied Chemistry, 1999, 16(6): 62-64.
Citation: Qi Gongxin, Fei Jinhua, Hou Zhaoyin, Huang Chuanjing, Wang Dongjie, Zheng Xiaoming. Catalytical Hydrogenation of CO2 over Copper-molybdenum Oxide Supported on HZSM-5[J]. Chinese Journal of Applied Chemistry, 1999, 16(6): 62-64.
添加Mo对Cu/HZSM-5催化剂性能影响
摘要:
随着甲醇及二甲醚工业的迅速发展,近年来,人们对二氧化碳加氢合成甲醇及甲醚产生了浓厚的兴趣[1,2].
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关键词:
- Cu-Mo/HZSM-5负载催化剂
- / 二氧化碳加氢
- / 催化性能
English
Catalytical Hydrogenation of CO2 over Copper-molybdenum Oxide Supported on HZSM-5
Abstract:
The hydrogenation of carbon dioxide over Cu-Mo/HZSM-5 composite catalysts prepared by an impregnation method has been studied.The reduction property and adsorption ability of the catalyst towards hydrogen and carbon dioxide have been investigated by TPR and TPD-MS techniques.The results indicated that the addition of Mo increased the activity and dimethyl ether selectivity of Cu/HZSM-5 catalyst, the most active and selective for dimethyl ether was the catalyst with n(Cu)/n(Mo)=5:1.The addition of Mo caused the TPR peaks of Cu/HZSM-5 to move to higher temperatures.CO2-TPD results revealed the raise of the adsorbability of the catalyst toward CO2.
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