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- W3155694973 abstract "In order to realize the efficient biomass tar cracking into syngas-rich gases, several Aspen wood char (ASC) supported metal catalysts, including the Ni/ASC, Cu/ASC and bimetallic Ni-Cu/ASC catalysts, were synthesized with the method of one-step pyrolysis. The structure of the Ni Cu/ASC catalyst with Ni Cu nanoalloy encapsulated in carbon nanofibers (CNFs) was observed on the basis of the XRD, SEM and TEM analysis. The catalytic performances of the prepared catalysts on tar cracking were assessed in a two-stage fixed-bed pyrolysis-cracking/reforming device at the catalytic cracking temperatures of 600-800 °C. In a comparison to the single metal catalysts, the bimetallic Ni-Cu/ASC catalyst exerted a better performance on tar removal and possessed a higher selectivity to H 2 and CO. The tar conversion efficiency and syngas (H 2 + CO) yield, over the Ni Cu/ASC catalyst at 800 °C, reached up to 93.2% and 581.07 ml/g with the total volumetric content of 72.2% together with H 2 /CO of 1.1, respectively. The Ni-Cu/ASC catalyst resulted in the lowest contents of two-ring and three-ring aromatics accompanied with highest contents of one-ring aromatics in tar. The Ni-Cu/ASC catalyst was reasonably stable because of its good resistance to sintering and carbon deposition. • Ni Cu nano alloy embedded in CNFs/porous carbon composites were obtained. • Tar conversion efficiency reached up to 93.2% at 800 °C over Ni Cu/ASC catalyst. • Syngas yield reached up to 581.07 ml/g with the total volumetric content of 72.2%. • Ni Cu/ASC catalyst had good resistance to sintering and carbon deposition." @default.
- W3155694973 created "2021-04-26" @default.
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- W3155694973 date "2021-07-01" @default.
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- W3155694973 title "Preparation and characterization of char supported Ni Cu nanoalloy catalyst for biomass tar cracking together with syngas-rich gas production" @default.
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- W3155694973 doi "https://doi.org/10.1016/j.fuproc.2021.106858" @default.
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