Study on Emission and Performance of Diesel Engine Using Castor Biodiesel

Table 1

Biodiesel yield percentage in optimum condition for different methods.

First step	Percentage yield	Second step	Percentage yield
Direct heating	90%	Orbital shaker	67.5%
Reflux heating	75%	Orbital shaker	82.5%
Reflux heating	75%	Reflux heating	57.5%