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Hydrogen Production From Crude Bio-oil and Biomass Char by Electrochemical Catalytic Reforming
Xing-long Li,Shen Ning,Li-xia Yuan,Quan-xin Li*
Author NameAffiliationE-mail
Xing-long Li Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China  
Shen Ning Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China  
Li-xia Yuan Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China  
Quan-xin Li* Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China liqx@ustc.edu.cn 
Abstract:
We reports an efficient approach for production of hydrogen from crude bio-oil and biomass char in the dual fixed-bed system by using the electrochemical catalytic reforming method. The maximal absolute hydrogen yield reached 110.9 g H2/kg dry biomass. The product gas was a mixed gas containing 72%H2, 26%CO2, 1.9%CO, and a trace amount of CH4. It was observed that adding biomass char (a by-product of pyrolysis of biomass) could remarkably increase the absolute H2 yield (about 20%-50%). The higher reforming temperature could enhance the steam reforming reaction of organic compounds in crude bio-oil and the reaction of CO and H2O. In addition, the CuZn-Al2O3 catalyst in the water-gas shift bed could also increase the absolute H2 yield via shifting CO to CO2.
Key words:  Hydrogen, Bio-oil, Biomass char, Ni-Al2O3 catalyst, CuZn-Al2O3 catalyst, Electro chemical catalytic reforming
FundProject:
生物油及生物质炭电催化制氢
李兴龙,宁珅,袁丽霞,李全新*
摘要:
报道了以生物质热裂解产物-生物油和生物质炭为原料,利用双固定床反应器和电催化水蒸气重整方法高效制氢过程研究.获得的最大绝对氢产率达到110.9 g H2/1 kg干生物质,气相产物包括72%H2、26%CO2、1.9%CO和痕量的CH4.研究了添加生物质炭对生物油制氢效果的影响,以及重整反应温度、通入催化床的电流等反应条件对生物油和生物质炭制氢效果的影响.结果表明,生物质炭的添加使绝对氢产率增加了大约20%~45%,提
关键词:  氢气, 生物油, 生物质碳,Ni-Al2O3催化剂,CuZn-Al2O3催化剂,电催化重整
DOI:10.1088/1674-0068/24/04/477-483
分类号: