I have undestand that glycerine can be refined only by molecular distillation. I have an idea useful for small producers (very cheap and simple) that includes boiling the glycerine up to 360 oC. Shurely, if there happend something like oxidation or pyrolisis, my idea is not usable. But, in other case equipment would be up to 200$ and any source of heat could be used. Equipment is suitable for "make it yourself" production. So, if anyone knows or has got a link to appropriate data base... Thank you!
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