First jatropha oil is filtered to remove the solid particles present in it. Then it is heated to remove the water contents if any present in it.
Biodiesel is now been used as a diesel engine in number of agencies. The results are said to be comparable with petroleum in all the areas like power, efficiency, climbing, hauling etc.
To determine the amount of catalyst that is required for catalyst.The accurate amount of potassium hydroxide is mixed with methanol till the methanol completely dissolves to get potassium methoxide.In the winter season additional jatropha oil is heated and is mixed with the potassium methoxide.The mixture is allowed to settle. In this process glycerin settles at the bottom and the biodiesel at the top. The glycerin is then removed and the biodiesel is washed and dried.The biodiesel that is obtained is then checked for quality