Solvent purification distillers by Recycling Sciences, Inc. Set the temperature and leave it alone. It'll purify the glycerol, at a price. Maybe you can find a second-hand one for about $5,000. http://www.rescience.com
Keith Addison Biofuels at Journey to Forever http://journeytoforever.org/biofuel.html Biofuel at WebConX http://www.webconx.com/2000/biofuel/biofuel.htm To unsubscribe from this group, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/