Glycerin as Anti-Freeze Agent for Coal
By Dennis Zeedyk, Glycerin Traders, Lee Enterprises Consulting Special to The Digest Anyone who has produced biodiesel knows that glycerin can set up like wax if the process is over-catalyzed and/or animal fats are used as feedstocks. More than one of us has shoveled our share of “hard” glycerin. As a result, many biodiesel producers […]














