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Ex situ thermo-catalytic upgrading of biomass pyrolysis vapors using a traveling wave microwave reactor

Author:
P.D. Muley, C.E. Henkel, G. Aguilar, K.T. Klasson, D. Boldor
Source:
Applied energy 2016 v.183 no. pp. 995-1004
ISSN:
0306-2619
Subject:
aromatic compounds, biomass, catalysts, energy efficiency, heat, microwave treatment, pyrolysis, temperature, vapors
Abstract:
Microwave heating offers a number of advantages over conventional heating methods, such as, rapid and volumetric heating, precise temperature control, energy efficiency and lower temperature gradient. In this article we demonstrate the use of 2450MHz microwave traveling wave reactor to heat the catalyst bed for thermo-catalytic upgrading of pyrolysis vapors. HZSM-5 catalyst was tested at three different temperatures (290°, 330° and 370°C) at a catalyst to biomass ratio of 2. Results were compared with conventional heating and induction heating method of catalyst bed. The yields of aromatic compounds and coke deposition were dependent on temperature and method of heating. Microwave heating yielded higher aromatic compounds and lower coke deposition. Microwave heating was also energy efficient compared to conventional reactors. The rate of catalyst deterioration was lower for catalyst heated in microwave system.
Agid:
5626848
Handle:
10113/5626848