Purifying of Glycerol from biodiesel production is a hard process and a great problem for biodiesel producers. What is your experience in this process?... methods used, solvents, results,…
Please see the abstract in the following link. Try to get the full text if you can, because the procedures seem to be very reasonable.
http://pubs.acs.org/doi/abs/10.1021/ie402003u
Article Glycerol as a by-product of biodiesel production in Brazil: ...
Article Value-added uses for crude glycerol—A byproduct of biodiesel...
http://articles.extension.org/pages/29264/new-uses-for-crude-glycerin-from-biodiesel-production
https://www.intechopen.com/books/biodiesel-feedstocks-production-and-applications/utilization-of-crude-glycerin-from-biodiesel-production-a-field-test-of-a-crude-glycerin-recycling-p
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982008001300032
http://www.biodieselmagazine.com/articles/3237/glycerin-research-turns-up-new-uses
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