Working Document Series Open Access 2010 RUF-34979

Performance of a natural draft briquette-gas stove for domestic use

H. MulindiS. OkwachT. Thoruwa

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Abstract

143 words

Biomass as a source of energy supplies close to 68% of the total energy demand in Kenya. The stoves used to burn these biomass fuels are characterized by high inefficiencies and high emissions posing environmental risks to the Kenyan forest cover as well as health status to the users due to indoor air pollution. This project aimed to mitigate these two major problems by developing a gasification stove to use briquettes mostly derived from organic waste. The stove integrated the design features of the Modified Inverted Downdraft Gasification Experiment (MIDGE), the Vesto stove by Crispin and the Stanley & Venter stove designs. The performance of the stove was tested using the standard water boiling test. The efficiency of the stove was found to be 31%. The cost of this stove, when mass produced would be USD 8, and is recommended for household use.

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