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Production of Phenol and Cresol from Guaiacol on Nickel Phosphide Catalysts Supported on Acidic Supports
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  • 作者：S. Ted Oyama ; Tatsuki Onkawa ; Atsushi Takagaki ; Ryuji Kikuchi…
  • 关键词：Hydrodeoxygenation ; Guaiacol ; Phosphides ; Ni2P ; Acid supports
  • 刊名：Topics in Catalysis
  • 出版年：2015
  • 出版时间：April 2015
  • 年：2015
  • 卷：58
  • 期：4-6
  • 页码：201-210
  • 全文大小：995 KB
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文摘
Partial hydrodeoxygenation (HDO) of bio-oil derived from the pyrolysis of lignin can yield higher value added products, such as phenol derivatives. The HDO of 2-methoxyphenol (guaiacol) was studied over nickel phosphide (Ni2P) supported on various acidic substrates. The substrates were the microporous zeolite ZSM-5, a fluidized catalytic cracking (FCC) support consisting of USY zeolite embedded in a silica–alumina matrix, and an amorphous silica–alumina (ASA) material. Guaiacol was used as reactant because it is a good model compound for species derived from the lignin portion of biomass. The order of activity was Ni2P/ASA?>?Ni2P/FCC?>?Ni2P/ZSM-5. Contact time measurements indicated that the main pathway on Ni2P/ASA, the most active catalyst, was conversion of guaiacol to the primary intermediate catechol, which was then dehydroxylated to phenol.

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