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An experimental exploration of the biomass gasification in a fluidized bed
The present study investigates the gasification of saw dust in a bubbling fluidized bed with air and steam as a fluidizing and gasifying agent. The gasifier used for this study was 108 mm i.d. and 1400 mm high, and it was fed with saw dust at a flow rates of 5–10 kg/h. Experiments were carried out in a temperature range of 650–900 °C (50 °C intervals) with steam to biomass ratio (S/B) of 0 to 1. The behaviors of saw dust under the various parameters were studied and the optimum values were obtained. The work included the parametric study of the effects of reactor temperature, S/B ratio on gas composition, gas yield, low heating value (LHV), and carbon conversion effciency. It has been observed that the gas yields and the content of H2 in the gas increase with reactor temperature, while the yields of CO and CH4 in the product gas decrease. The experimental results showed that the fluidized bed gasification of saw dust produces gas with the maximum LHV obtained was 8100 kJ/Nm3 at 800 °C and the maximum carbon conversion efficiency was 85&percent; at 850 °C.
An experimental exploration of the biomass gasification in a fluidized bed
The present study investigates the gasification of saw dust in a bubbling fluidized bed with air and steam as a fluidizing and gasifying agent. The gasifier used for this study was 108 mm i.d. and 1400 mm high, and it was fed with saw dust at a flow rates of 5–10 kg/h. Experiments were carried out in a temperature range of 650–900 °C (50 °C intervals) with steam to biomass ratio (S/B) of 0 to 1. The behaviors of saw dust under the various parameters were studied and the optimum values were obtained. The work included the parametric study of the effects of reactor temperature, S/B ratio on gas composition, gas yield, low heating value (LHV), and carbon conversion effciency. It has been observed that the gas yields and the content of H2 in the gas increase with reactor temperature, while the yields of CO and CH4 in the product gas decrease. The experimental results showed that the fluidized bed gasification of saw dust produces gas with the maximum LHV obtained was 8100 kJ/Nm3 at 800 °C and the maximum carbon conversion efficiency was 85&percent; at 850 °C.
An experimental exploration of the biomass gasification in a fluidized bed
Baskara Sethupathy, S. (author) / Chokkalingam, V. (author) / Natarajan, E. (author)
Journal of Renewable and Sustainable Energy ; 4 ; 043113-
2012-07-01
8 pages
Article (Journal)
Electronic Resource
English
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