Gasification of Agricultural Residues for Energy Production

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Abstract
A technical and economic evaluation has been made of the possibility of producing gas from agricultural residues on typical farms in western and eastern Canada. A preliminary assessment shows that, as far as the western farm is concerned, the cost of collecting the required residues would be prohibitive in view of the enormous areas involved; in the east, on the other hand, where heating represents a far greater proportion of a farmer's expenses, collection and conversion of the residues to thermal energy would be a relatively minor expense. The study points out the advantages of extracting energy from corncobs for heating greenhouses and drying grain For the specific need to be met here, namely heating the air in a grain dryer or in a greenhouse, the best conversion system, therefore, would be a gas-producing device. For ease of operation, it is recommended that a gasifier-type reactor be used, preferably the fixed-bed type, which is reliable and straightforward to operate.

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