Steam Gasification of Biochar Derived from Fast Pyrolysis for Hydrogen-Rich Gas Production

Wei Qing Zeng; Ling Jun Zhu; Qi Wang

doi:10.4028/www.scientific.net/AMR.830.477

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 830Steam Gasification of Biochar Derived from Fast...

Steam Gasification of Biochar Derived from Fast Pyrolysis for Hydrogen-Rich Gas Production

Abstract:

Steam gasification of biochar from fast pyrolysis of biomass was conducted in a fixed bed reactor. The experiments were carried out at temperature of 700, 750, 800 °C with steam flow rate of 0.1 g/min and reaction time of 3 h. The gas products mainly included H₂, CO, CO₂ and some hydrocarbons with low carbon number. The results showed that the conversion of biochar at 700, 750, 800 °C was 68, 78, 96 wt%, respectively, and high gasification temperature favored the production of hydrogen-rich gases. The hydrogen yield increased with temperature rising and reached the maximum of 35.70 mol/kg with a hydrogen concentration of 74 V% at 800 °C.

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Periodical:

Advanced Materials Research (Volume 830)

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477-480

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https://doi.org/10.4028/www.scientific.net/AMR.830.477

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Online since:

October 2013

Authors:

Wei Qing Zeng, Ling Jun Zhu*, Qi Wang

Keywords:

Biochar, Fast Pyrolysis, Hydrogen, Steam Gasification

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