Thermally decomposed ricebran oil as a diesel fuel

Abstract

RESUMENDescomposición térmica de aceite de germen de arroz para su uso como gasóleo Aceite de germen de arroz, un aceite no comestible, fue descompuesto térmicamente usando diferentes cantidades de óxido calcico como catalizador. Las propiedades combustibles del producto craqueado fueron evaluadas comparándolas con las del gasóleo. Las propiedades consideradas incluyeron el poder calorífico, punto de inflamación, viscosidad, temperatura de fluidez crítica, características de destilación, número de cetano y otras propiedades de los combustibles. Los resultados han mostrado que las propiedades combustibles del aceite descompuesto fueron bastantes similares a la de los gasóleos estándar. El poder calorífico fue del 80-90% de la del gasóleo y la viscosidad ligeramente mayor. El combustible preparado fue ventajoso sobre el gasóleo ya que el primero estaba completamente libre de sulfuro, el cual produce en la combustión del carburante gases corrosivos de óxido de azufre. PALABRAS-CLAVE: Aceite de germen de arroz -Descomposición térmica -Propiedades combustibies. SUIVÍIVIARY Thermally decomposed ricebran oil as a diesel fuelRicebran oil; a non edible oil, was thermally decomposed using different loads of calcium oxide as catalyst. The fuel properties of the cracked product were evaluated as compared to those of diesel fuel. The considered properties included the calorific value, flash point, viscosity, pour point, distillation characteristics, cetane number in addition to some other fuel properties. The results had shown that the fuel properties of tiie decomposed oil were quite similar to tiiose of standard diesel fuel. The calorific value was 80-90% tiiat of diesel fuel and tfie viscosity was sligthy higher. The prepared fuel was advantageous over diesel fuel as the former was completely free from sulfur, which on fuel combustion produces corrosive gases of sulfur oxides.

The Recent Progress of Natural Sources and Manufacturing Process of Biodiesel: A Review

“…Thermal catalytic cracking or pyrolysis with catalyst process was used in past studies to produce diesel-like fuel from rice bran and palm oils [91,92]. The thermal cracking process of rice bran oil was carried out at 450 • C using calcium oxide (CaO) in a load ranging between 0.5% and 3% to the weight of oil.…”

“…Physicochemical properties of the cracked samples of rice bran oil compared to diesel. Adapted from[91]. Physicochemical properties of the cracked samples of palm oil (green diesel) compared to diesel.…”

The Recent Progress of Natural Source and Manufacturing Process of Biodiesel: A Review

“…Thermal catalytic cracking or pyrolysis with catalyst process was used in past studies to produce diesel-like fuel from rice bran and palm oils[89,90]. The thermal cracking Preprints (www.preprints.org) | NOT PEER-REVIEWED | Posted:…”

Utilization of Used Frying Oil as Diesel Engine Fuel

“…Viscous fuels are poorly atomized in the engine, resulting in inefficient combustion with subsequent formation of carbon deposits on the injector nozzle and other engine parts. Thus engine performance using plant oils can be markedly improved if the oil viscosity is reduced (Megahed et al, 1998).…”