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ABSTRACT
Biomass is a nonorganic fuel that has a high potential for transforming into favorable chemicals in pyrolysis and syngas reaction in gasification reaction. However, economic problems in design and operation of gasification systems are the most important problems in this field. The present research aims to review current conditions and economic characteristics of this process. This research also studied economic characteristics of different produced chemicals such as hydrogen, methanol, and ethanol. Based on the literature data, it was found that the use of a 2000 dry-ton/day plant is more economical than that of 1000 dry-ton/day plant for ethanol production.
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