Conversion of guaiacol over metal carbides supported on activated carbon catalysts
作者: E. BlancoC. SepulvedaK. CrucesJ.L. García-FierroI.T. GhampsonN. Escalona
作者单位: 1Departamento de Ingeniería química y bioprocesos. Pontificia Universidad Católica, Avenida Vicuña Mackenna 4860, Macul, Santiago, Chile
2Millenium Nuclei on Catalytic Processes towards Sustainable Chemistry (CSC), Chile
3Universidad de Concepción, Facultad de Ciencias Químicas, Casilla 160c, Concepción, Chile
4Instituto de Catálisis y Petroleoquímica, CSIC, Cantoblanco, 28049, Madrid, España
5Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
6Departamento de Química Física, Facultad de Química y de Farmacia. Pontificia Universidad Católica, Santiago, Chile
7Unidad de Desarrollo Tecnológico, Universidad de Concepción, Coronel, Chile
刊名: Catalysis Today, 2019
来源数据库: Elsevier Journal
DOI: 10.1016/j.cattod.2019.08.029
关键词: CarbideActivated carbonHDOGuaiacol
原始语种摘要: Abstract(#br)In the present work, the preparation and use of new supported transition metal carbides as catalyst for the conversion of guaiacol was investigated. Several metals (Mo, Re, Ru, Ni, Fe, and Cu) were impregnated over activated carbon and carburized under a mixture of H 2 /C 2 H 4 at 700 °C. Catalysts were characterized by XRD, N 2 physisorption, XPS, CO chemisorption, and TPR-MS. Evidence for carbide formation was obtained in the case of Mo, Re, Ni and Ru, based primarily on CO formation during the TPR-MS analysis. It was found that carbides were mainly active for primary guaiacol conversion to phenol and catechol through demethoxylation and demethylation. Completely deoxygenated products such as benzene and cyclohexane were also formed. The highest selectivity in benzene was...
全文获取路径: Elsevier  (合作)
影响因子:2.98 (2012)

  • supported 支承的
  • Conversion 变换
  • guaiacol 愈创木酚
  • TPR Technical Performance Report
  • carbon 
  • catalyst 催化剂
  • impregnated 浸渍的
  • selectivity 选择性
  • chemisorption 化学吸附
  • cyclohexane 环己烷