Development of a Natural Cross Draft Gasifier Stove for Application in Rural Communities in Sub-Saharan Africa

Research Article
Development of a Natural Cross Draft Gasifier Stove for Application in Rural Communities in Sub-Saharan Africa

Journal of Applied Sciences, 2015, 15(9), 1149-1157.

Abstract

The study was to develop a natural cross draft gasifier stove for application in rural households and to determine the performance of the stove using rice husk briquette and also test the emission properties of the stove. The moisture content of the rice briquette was 8.5% on wet basis. The heat of combustion was 15641.4 kJ kg^–1. The efficiency of the stove was tested using Water Boiling Tests (WBT). The efficiency was 20.75 and 21.47% for high power cold start and high power hot start, respectively, which are the minimum and maximum efficiency of the stove. The average efficiency of the stove was 21.10%. The ignition duration and time required to boil 1.5 kg of water were 5.1 min for cold start test and 4.5 min for hot start test. The output power of the stove was observed to be range of 8.95-10.64 kW. The CO₂ and CO emission was 6.5 and 5.1 g L^–1. The Particulate Matter (PM) quantity was 3.02 g L^–1. The results are near standards and modification can be done to improve stove efficiency.

ASCI-ID: 35-6349

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