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Position: Home > Articles > Hydrogen production by steam reforming of acetic acid and bio-oil using Ni/gamma-Al2O3 catalysts International Journal of Agricultural and Biological Engineering 2015,8 (6)

Hydrogen production by steam reforming of acetic acid and bio-oil using Ni/gamma-Al2O3 catalysts

作者：

Li Yanmei;Fu Peng;Yi Weiming;Bai Xueyuan

单位：

Shandong Res Ctr Engn & Technol Clean Energy, Zibo 255049, Shandong, Peoples R China;Shandong Univ Technol, Sch Agr & Food Engn, Zibo 255049, Shandong, Peoples R China

关键词：

hydrogen;bio-oil;Ni/gamma-Al2O3 catalyst;steam reforming;acetic acid;MODEL-COMPOUND;FUEL-CELLS;ETHANOL;BIOMASS;NICKEL

摘要：

Hydrogen production from steam reforming of bio-oil and acetic acid using Ni/gamma-Al2O3 catalyst was studied in a laboratory-scale fixed bed reactor. This study selected different Ni loadings (16.8% and 30.5%) in Ni/gamma-Al2O3 catalysts and reaction temperatures (500 degrees C, 600 degrees C and 700 degrees C) as variables to optimize the hydrogen yield and selectivity of gases formed. Experiments were carried out in an isothermal manner. The catalysts were prepared on wet impregnation of a gamma-Al2O3 which supported with two different Ni loadings. The principal gases generated were H-2, CO, CO2 and CH4. The results from steam reforming of acetic acid showed that the yield and selectivity of hydrogen using the catalyst with 30.5% Ni were significantly higher than that with 16.8% Ni. The results showed that the most favorable temperature for hydrogen production was 600 degrees C, and the steam reforming of bio-oil using Ni/gamma-Al2O3 catalyst with 30.5% Ni showed that the yields and selectivity of H-2 and CO2 increased with the temperature increasing while CH4 and CO selectivity decreased. These results showed that the most favorable temperature for hydrogen production from bio-oil using 30.5% Ni/gamma-Al2O3 was 600 degrees C, at which hydrogen yield was at its maximum of 65%.

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Hydrogen production by steam reforming of acetic acid and bio-oil using Ni/gamma-Al2O3 catalysts

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