Application of response surface methodology to assess the combined effect of operating variables on high-pressure coal gasification for H2-rich gas production
作者： J. Fermoso , M.V. Gil , B. Arias , M.G. Plaza , C. Pevida
DOI: 10.1016/J.IJHYDENE.2009.11.046
关键词: Central composite design 、 Coal 、 Hydrogen production 、 Carbon 、 Syngas 、 Wood gas generator 、 Pulp and paper industry 、 Coal gasification 、 Chemistry 、 Response surface methodology 、 Fuel Technology 、 Renewable Energy, Sustainability and the Environment 、 Energy Engineering and Power Technology 、 Condensed matter physics
摘要: Abstract Coal gasification was performed by means of a high-pressure fixed bed gasifier fitted with solids feeding system in continuous mode, using oxygen and steam as gasifying agents. The main aim the paper to assess combined effects operating variables (temperature, concentrations) on coal gasification. To this end face centered central composite design (FCCCD) based response surface methodology (RSM) used. studied were: H2, CO syngas production, H2/CO ratio, cold gas efficiency (η), carbon conversion (X). study carried out at temperatures 900, 950 1000 °C, concentrations 5, 10 15 vol.%, 25, 40 55 vol.%. temperature found be most influential variable, high leading an increase all studied. An content agent led decrease H2 efficiency, whilst favoured. concentration, other hand, favoured production whereas underwent reduction; were observed increase. Response revealed interaction between variables, which would not have been identified traditional “one-factor-at-a-time” method. models developed successfully experimental results for
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