Abstract
A pilot-scale biomass-gasification-reforming system (feedstock of 150−300 kg/h, on a dry basis) was established to produce synthesis gas for liquid fuel synthesis. The design and operation of this system were preliminarily discussed. Reforming of biomass raw fuel gas over NiO−MgO/γ-Al2O3/cordierite monolithic catalysts was investigated in a multi-tube reformer. The anti-coking and anti-sintering properties of NiO−MgO/γ-Al2O3/cordierite monolithic catalysts were characterized. The results showed that the NiO−MgO/γ-Al2O3/cordierite monolithic catalyst with a pore channel size of 7 × 7 mm could continuously deal with biomass raw fuel gas containing large amounts of fly ash. No channel blocking was observed for a long time running. The pressure drop of the reformer was only below 700 Pa even under the conditions of fuel gas velocity of 1.4 m/s and fly ash content of 330 g N−1 m−3 in the raw fuel gas. The synthesis gas [H2 + CO > 60 vol %, H2/CO ratio = 0.9−1.0, and lower heating value (LHV) > 10 MJ N−1 m−3] c...
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