Analysis of Precursors of Carbon Deposition in Hydrogen Preparation by Fast Pyrolysis of Bio-Oil via Catalytic Steam Reforming

Abstract:

In the preparation of hydrogen, the bio-oil from pyrolysis of biomass must be further upgraded (catalytic steam reforming)SO as to improve its quality．However the catalyst used in the steam reforming reaction is easy to lose its activity due to being coked' SO that it is important to study the coke formation and its efects on the catalyst activity in the steam reforming process．Fourier Transform Infrared Spectroscopy were used to analyze the precursor of coke on the catalyst Ni/MgO-La₂O₃-Al₂O₃ used in steam reforming reaction and the mechanism of coking Was also discussed based on it．The results indicate that precursors of coke deposited inside the pore of the molecular sieve are mainly paraffin, alcohols, aldehydes and ketones, and aromatic compounds.

• Periodical: Advanced Materials Research (Volumes 512-515)
• Pages: 338-342
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.512-515.338
• Online since: May 2012
• Authors: Ping Lan, Li Hong Lan, Tao Xie, An Ping Liao
• Keywords: Bio-Oil, Carbon Deposition, Catalytic Steam Reforming, Hydrogen, Precursor

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