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Biomass tar cracking and syngas production using rice husk char-supported nickel catalysts coupled with microwave heating

机译：使用稻壳炭负载的镍催化剂与微波加热相结合的生物质焦油裂解和合成气生产

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摘要

In the present work, biomass pyrolysis tar cracking and reforming for high quality syngas production using a rice husk char (RHC)-supported nickel catalyst (Ni/RHC) coupled with microwave heating was investigated. The Ni/RHC catalyst exhibited a high catalytic performance on tar removal and contributed well to the production of CO and H _(2) . The conversion efficiency could reach up to 97.3%, and the CO and H _(2) yields were 274.0 ml g ~(?1) and 248.9 ml g ~(?1) , respectively, at 700 °C, under microwave conditions, when the nickel loading amount was 10.42 wt% of the support. The tar conversion efficiencies and syngas yields significantly increased as the cracking temperatures increased from 500 °C to 700 °C and the nickel loading amount increased from 0 to 10.42 wt%. The Ni/RHC catalysts became more effective for tar removal and the production of syngas increased under microwave conditions compared to the results obtained under conventional conditions.
机译：在目前的工作中，研究了使用稻壳炭（RHC）负载的镍催化剂（Ni / RHC）与微波加热相结合的生物质热解焦油裂解和重整，以生产高质量的合成气。 Ni / RHC催化剂对焦油的去除具有很高的催化性能，对CO和H _（2）的产生有很好的贡献。在微波条件下，在700°C下，CO和H _（2）的转化率可以达到97.3％，分别为274.0 ml g〜（？1）和248.9 ml g〜（？1）。当镍的负载量为载体的10.42重量％时。随着裂化温度从500°C增加到700°C，镍负载量从0增加到10.42 wt％，焦油转化效率和合成气产率显着提高。与在常规条件下获得的结果相比，在微波条件下，Ni / RHC催化剂对除去焦油更有效，并且合成气的产量增加。

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