Experimental Investigation and Performance Evaluation of Jatropha Oil‐Biodiesel Blending with Kerosene for Domestic Cooking and Lighting Applications

Author:

Getahun EshetuORCID,Wagaw Kefale

Abstract

Reducing indoor air pollution and the related costs requires developing efficient cooking and lighting technologies as well as alternative energy sources. The appropriateness of virgin jatropha (Jatropha curcas) oil, its biodiesel, and the blending of these fuels with kerosene for wick stove lighting and cooking was examined in this study. To describe the fuel performance, a range of blending ratios were examined and characterizations were made of the fuel’s density, calorific value, boiling point, viscosity, and rate of fuel consumption. To assess the fuels’ thermal degradation behaviors, thermogravimetric and water boiling tests were performed. An air pollution meter was used to describe the levels of indoor air pollution. According to the findings, the virgin oil from Jatropha has a kinematic viscosity of 30.1 mm2/s. The 50% jatropha oil and 80% biodiesel blended with kerosene showed a reduction in viscosity of 72.6% and 46.8%, respectively. The thermal efficiency of the virgin oil, its biodiesel, and blending of these fuels with kerosene was in the range of 10–48%. Complete degradation of jatropha oil, its biodiesel, and 40 : 60 ratio of jatropha biodiesel and kerosene blend was conducted in the temperature range of 480–700 k, 185–280.6 K, and 100–300 K, respectively. The activation energies of jatropha oil, biodiesel, and kerosene blend (40 : 60) were 191.3, 73, and 25 kJ/mol, respectively. The average concentrations of particulate matter and carbon monoxide for pure jatropha oil biodiesel were 209.71 µg/m3 and 5.5 mg/kg, respectively. Thus, jatropha biodiesel and its blending with kerosene are suitable fuels for cooking and lighting operations in rural communities who are living far from the electrical grid compared with virgin oil fuel.

Publisher

Wiley

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