Abstract—Biomass Gasification is a chemical process that converts biomass into useful convenient gaseous fuels or chemical feedstock. It has emerged as a promising technology to fulfill the increasing energy demands of the world as well as to reduce significantly the volume of biomass waste generated in developing societies. In this paper, various aspects of the research and development in biomass gasification in downdraft fixed bed reactors like advances in downdraft gasification systems, and the effect various parameters like equivalence ratio, operating temperature, moisture content, superficial velocity, gasifying agents, residence time on the composition of producer gas, yield and conversion are reviewed
Index Terms—Gasification, Biomass, Downdraft gasifier(DDG), Equivalence ratio(ER), Producer gas.
Authors are with the Department of Chemical Engineering, NationalInstitute of Technology, Warangal, Andhra Pradesh 506004 India (e-mail:rc_sastry@ yahoo.co.in; anjireddy.bhavanam@gmail.com).
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Cite: Anjireddy Bhavanam and R.C.Sastry, "Biomass Gasification Processes in Downdraft Fixed Bed Reactors: A Review," International Journal of Chemical Engineering and Applications vol. 2, no. 6, pp. 425-433, 2011.
