**2.3 Optimization production biodiesel under MW irradiation**

Some examples about the obtaining of biodiesel making a response surface methodology (RSM) was used to analyze the influence of the process variables (oil to methanol ratio, catalyst concentration, and reaction time) on the fatty acid methyl ester conversion, are shown in Table 3, where is confirmed that the microwave energy has a significant effect on esterification and transesterification reactions.


Table 3. Recent examples of optimization of reaction conditions a for production of biodiesel from various feedstocks using response surface methodology
