الفهرس 
Evaluation of produced bio-diesel from fish wastes oil
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Abstract
The search on alternative fuels for compression ignition engine has become essential due to depletion of petroleum products, their increasing costs and its major contribution for pollutants. Biodiesel has become one of the most versatile alternative fuel options for diesel engine applications. Most researchs on biodiesel have focused on using plant based oils as feed stocks. There have been much less researchs on converting animal-based oils into biodiesel. One potential source of biodiesel is fish oil. The objective of this study was to produce and evaluate using Tilapia viscera biodiesel as a substitute for petrodiesel in compression ignition engine. Experiments were designed to investigate three points, the first was to study the applicability of producing and characterizing of oil from Tilapia viscera, the second point was to investigate the applicability of producing biodiesel from Tilapia visceral oil and characterizing and the third was to study the performance characteristics as fuel consumption, brake specific fuel consumption, brake thermal efficiency and the opacity of a six cylinder, direct injection diesel engine using B20 (20%Tilaipia viscera biodiesel with 80% petrodiesel). The results showed that fish waste (Tilapia viscera) can be converted to oil with percentage about 22%, and the characteristics of oil were a good indicator for the applicability of producing biodiesel. The results also reached that biodiesel can be produced from extracted oil from Tilapia viscera and this biodiesel was characterized by physicochemical properties and the properties were compared with international biodiesel standard specifications. The results revealed acceptable performance parameters of the engine by using B20. It was found that Fuel Consumption increases as the load increases