“The biodiesel reaction typically is a transesterification of soybean oil, canola oil
or palm oil (triglycerides) and methanol, producing fatty acid methyl esters or
biodiesel and a glycerol byproduct.”
General structure of a triglyceride, the main constituent of vegetable oil and
The chemical formula is CH
-COOR", where R, R', and R"
chains. The three fatty acids RCOOH, R'COOH and R"COOH can
be all different, all the same, or only two the same.
Glycerol, also well known as glycerin and glycerine, and less commonly as
propane-1,2,3-triol, 1,2,3-propanetriol, 1,2,3-trihydroxypropane, glyceritol,
and glycyl alcohol is a colorless, odorless,
, and sweet-tasting
liquid. Glycerol is a
and has three
) that are responsible for its solubility in