Effect of B10 and B100 palm oil biodiesel on performance and exhaust emissions of a diesel engine

Azman, Mohamad Afiq (2023) Effect of B10 and B100 palm oil biodiesel on performance and exhaust emissions of a diesel engine. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

A high concentration of palm oil biodiesel-diesel blend fuel is an upstanding initiative to substitute conventional diesel fuel due to its availability in Malaysia as one of the palm oil primary suppliers in the world and its ability to release fewer gas emissions than conventional diesel. The palm oil biodiesel-diesel blend fuel can be produced to different compositions and gives different engine performance and exhaust emissions. The purpose of this study is to clarify the exhaust gas emissions and engine performance produced from B10 and B100 palm oil biodiesel-diesel blends fuel in a fuel injection single-cylinder diesel engine by 3 different loads. Transesterification process has been used to produce palm oil biodiesel-diesel blend fuel. The engine being coupled to an engine dynamometer to measure the engine performance parameters and a gas analyzer to measure the exhaust emissions from the engine. An engine run has been done by using D100, B10 and B100 to inspect the condition of the engine and to evaluate the data of engine performances and exhaust emissions. The result indicates that B10 biodiesel fuel was the optimum blend that had improved the engine performances without making any modifications to the direct-injection diesel engine and B100 was the optimum blend that produced the best exhaust emission. B100 biodiesel produced the highest horsepower and lowest torque even it consumed highest volume of fuel to travel compared to B10 biodiesel that produced slightly higher horsepower and slightly lower torque produced from D100. Other than that, B100 biodiesel emitted the lowest exhaust emissions except for Nitrogen Oxide and Carbon Dioxide. Biodiesel fuel can be clarified as an effective solution to reduce greenhouse effect that produced from burning of fossil fuel.

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