Why Not burn the glycerin in a waste oil burner modified to burn your byproduct.I am designing and building a glycerin boiler that will be piped to hot water heating coils in my processor and wash tanks.I hope to have it going this summer. That way you get to use your waste product for your process heat ,and use it up for something that will bennefit you and your pocketbook,, Duff Streeter www.michiganbiodiesel.com