as a pre-treatment before transesterification.
Glycerolysis vs esterification, which one is the best method to use in term of energy and cost?
I really appreciate if you could give your opinion or share article about this.
Thank you
Dear Nurliana,
We prefer esterification process (methanolysis, ethanolysis) to glycerolysis for pre-treatment before the transterification process because reaction condition for esterification by methanol, ethanol is smoother, the reaction rate is faster, the conversion of FFA is higher than due to the activity of methanol, ethanol is better than glycerol. The other reason could be counted is that the viscosity of glycerol is higher than methanol, ethanol. That leads reaction rate is slower than when applying glycerolysis
Maybe it is quite useful for you. Good luck,
Rate of the reaction is higher as the FFA is below 4 % in the oils used, rate of formation formation of methyl esters and eventually mono-alkyl esters of long chain fatty acids.
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