Journal of the Japan Institute of Energy
Online ISSN : 1882-6121
Print ISSN : 0916-8753
Original Paper
Development of Nickel-loaded Ccatalysts from Microwave-treated Woody Biomass for Decomposition of Biomass Tar
Tetsuya HATORIKayoko MORISHITANaokatsu KANNARITakayuki TAKARADA
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2017 Volume 96 Issue 12 Pages 519-524

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Abstract

This study focused on the development of an effective Ni-loaded catalyst using woody biomass for tar decomposition. Microwave irradiation was utilized to heat biomass for catalyst preparation. The amount of Ni adsorbed on biomass was 9.0 wt%. Thermal treatment of the nickel-loaded biomass at 600 °C resulted in a fine dispersion of nickel particles with a diameter of approximately 4.5 nm. The catalytic activity of the prepared catalyst for the decomposition of biomass tar derived from Japanese cypress was investigated in a two-stage fixedbed reactor. The nickel-loaded char showed high activity for tar decomposition at a relatively low temperature of 600 °C. The yields of H2, CO, and total gas obtained with the nickel-loaded char were approximately 5.2, 2.8, and 3.5, respectively, times higher than those obtained without a catalyst.

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© 2017 The Japan Institute of Energy
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