the.com/transesterification
swapping a fat's fancy alcohol partner for a cheap one, so it burns instead of clogs.
means a chemical reaction that swaps the alcohol group in an ester with a different alcohol, turning triglycerides into biodiesel plus glycerol.
from named simply from latin trans (across) plus ester, the compound class johann kekule's contemporaries baptized in the 1840s from essigether, german for vinegar ether; chemists later realized you could shuffle esters' alcohol partners like dance cards.
biodiesel basismost biodiesel is just transesterified vegetable oil
byproductglycerol falls out, later becomes soap or lotion
catalystlye or acid speeds the swap dramatically
reversiblereaction runs backward if water sneaks in