Performance and Emission Characteristics of Liquid Biofuels Cooking Stoves

Jatropha Oil Bio Stove (JOBS) and Neem Oil Bio Stove (NOBS) that utilised blends of raw oils of Jatropha and Neem with Kerosene respectfully as fuels were designed and developed at the Bayero University Kano -Nigeria. The Water Boiling Test (WBT) version 4.2.3 and Controlled Cooking Test (CCT) version 2.0 were conducted on the Liquid Biofuels Stoves while combusting six kerosene/oil blends. Similar tests were carried out on the Butterfly Kerosene Cooking Stove with kerosene as fuel for the purpose of comparison. Results of the tests indicated that the Butterfly Stove with kerosene as fuel, and the JOBS when combusting 10% and 20% Jatropha oil concentrations in the blends produced the highest power outputs of 2.7 kW each, throughout the boiling tests. Generally, the JOBS when fuelled with 10% and 20% Jatropha oil concentrations in the blends, and the NOBS while combusting 10% Neem oil concentration in the blend recorded shorter Cooking Times in the Controlled Cooking Tests compared to the Butterfly Kerosene Cooking Stove. The results indicated that as the blend ratios of the vegetable oils increased in the kerosene/oil blends, the amount of harmful emissions generated from combustion of these fuel oil blends reduced.