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Effects of Current upon Electrochemical Catalytic Reforming of Anisole
熊佳星,阚涛,李兴龙,叶同奇,李全新*
Author NameAffiliationE-mail
熊佳星 Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China  
阚涛 Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China  
李兴龙 Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China  
叶同奇 Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China  
李全新* Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China liqx@ustc.edu.cn 
Abstract:
The reforming of anisole (as model compound of bio-oil) was performed over the NiCuZn-Al2O3 catalyst, using a recently-developed electrochemical catalytic reforming (ECR). The influence of the current on the anisole reforming in the ECR process has been investigated. It was observed that anisole reforming was significantly enhanced by the current approached over the catalyst in the electrochemical catalytic process, which was due to the non-uniform temperature distribution in the catalytic bed and the role of the thermal electrons orig-inating from the electrified wire. The maximum hydrogen yield of 88.7% with a carbon conversion of 98.3% was obtained through the ECR reforming of anisole at 700 oC and 4 A. X-ray diffraction was employed to characterize catalyst features and their alterations in the anisole reforming. The apparent activation energy for the anisole reforming is calculated as 99.54 kJ/mol, which is higher than ethanol, acetic acid, and light fraction of bio-oil. It should owe to different physical and chemical properties and reforming mechanism for different hydrocarbons.
Key words:  Hydrogen, Anisole, NiCuZn-Al2O3, Electrochemical catalytic reforming
FundProject:
电流对苯甲醚电催化重整过程的影响
Jia-xing Xiong,Tao Kan,Xing-long Li,Tong-qi Ye,Quan-xin Li*
摘要:
用电催化重整方法和NiCuZn-Al2O3催化剂进行生物油模型化合物苯甲醚的水蒸气重整制氢研究,结果表明,在700 oC和4 A条件下,获得的最高碳转化率和氢产率分别为98.3%和88.7%,电催化重整过程中发现的电流促进效应主要归结于重整反应床中温度分布的改变和电阻丝发射的热电子影响. 利用X射线衍射方法分析了反应前后的NiCuZn-Al2O3催化剂结构变化. 实验导出的苯甲醚重整反应表观活化能为99.54 kJ/mol,明显高于乙醇、乙酸和生物油轻质组分的重整反应表观活化能.
关键词:  氢气,苯甲醚,NiCuZn-Al2O3催化剂,电催化重整
DOI:10.1088/1674-0068/23/06/693-700
分类号: