Hydrogen Production From Crude Bio-oil and Biomass Char by Electrochemical Catalytic Reforming |
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Authors: | Xing-long Li Shen Ning Li-xia Yuan Quan-xin Li |
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Affiliation: | Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science and Technology of China, Hefei 230026, China |
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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. |
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Keywords: | Hydrogen Bio-oil Biomass char Ni-Al2O3 catalyst CuZn-Al2O3 catalyst Electro chemical catalytic reforming |
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