期刊
FUEL
卷 182, 期 -, 页码 696-703出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2016.06.042
关键词
Biomass gasification; Steam reforming; Nickel catalyst; Kinetics
资金
- Finnish Funding Agency for Technology and Innovation (Tekes)
- Outotec Oyj
- Helsingin Energia
- Metso Power Oy
- Huoltovarmuuskeskus
- Gasum Oy
- Neste Oil Oyj
- Svenskt Gasteknisk Center AB through VETAANI project [238/31/11]
Benzene steam reforming kinetics was studied in conditions relevant to biomass gasification gas cleaning on Ni/Al2O3 catalyst i.e. temperature range 750-900 degrees C and in presence of H2S. The benzene concentration was 600-3500 ppm. The qualitative effect of the main gasification product gas compounds on the benzene steam reforming kinetics was studied. The first order kinetic model in respect to benzene was used to compare the effect of H-2, CO and CO2. It was observed that especially H-2 decelerated and CO2 accelerated the benzene steam reforming kinetics. With a gas mixture representing air gasification gas, the Langmuir-Hinshelwood type model taking account effect of H-2 in denominator described the benzene decomposition well. However, the model did not describe the kinetics of benzene steam reforming for the gas representing O-2/H2O gasification gas. (C) 2016 Elsevier Ltd. All rights reserved.
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