Glycerin as Anti-Freeze Agent for Coal

Glycerin as Anti-Freeze Agent for Coal?  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 find it surprising that one of…

Read more