首页|Experimental Studies on Gasification of Pine Wood Shavings in a Downdraft Biomass Gasifier
Experimental Studies on Gasification of Pine Wood Shavings in a Downdraft Biomass Gasifier
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Biomass is the oldest form of energy used by human beings, mainly in the form of wood. It is a renewablesource of energy and has many advantages from an ecological point of view. The direct combustion ofbiomass generates concern among environmentalists, as it is incomplete and inconsistent and mayproduce organic particulate matter, carbon monoxide and other organic gases. Biomass gasification hasattracted the greatest interest as it offers a higher efficiency as compared to combustion and pyrolysis.Gasification is the process of conversion of solid carbonaceous fuel into combustible gas by partialcombustion. Various groups of researchers have carried out experimental studies on downdraft biomassgasifier with different biomass materials such as wood, wood chips, hazelnut shell, agricultural wastes,saw dust, etc. It is reported that bridging is a normal occurrence in the gasifier. It occurs mainly in thepyrolysis zone of the downdraft biomass gasifier. In the present study, wood shavings of pine wood areused as biomass in a downdraft biomass gasifier. To overcome bridging, the design of the biomassgasifier is modified by incorporating a shaking mechanism. With this modified design of the biomassgasifier, experiments are carried out with pine wood (Pinus roxburghii) shavings as biomass coveringwide range of operating conditions. The performance of the biomass gasifier system is evaluated in termsof equivalence ratio, producer gas composition, calorific value of the producer gas, gas production rate,zone temperatures and cold gas efficiency.
Biomass GasificationProducer GasPinus roxburghiiEquivalence ratio
Amita Ummadisingu、Pratik Sheth、B. V. Babu
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Chemical Engineering Group Assistant Professor, Chemical Engineering Group
Chemical Engineering Group
Chemical Engineering Group, and Dean – Student Welfare Division & FacultyDivision-1Phone: +91-1596-24507 Ext 257 +91-1596-515257 Fax: +91-1596-244183 Email: bvbabu@bits-pilani.ac.in profbvbabu@gmail.com
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