1. Glycerol Purification, EET Corp., available at http://www.eetcorp.com/heepm/biodiesel.pdf.
2. Glycerol combustion and emissions
3. M.D. Bohon, Characterization of Glycerin Combustion and Emissions, MS thesis, North Carolina State University, Raleigh, NC, 2010.
4. Understanding the Kraft Process in Paper Production, Paper Industry, available at http://www.paperindustry.com/kraft-process.asp (accessed December, 2011).
5. Glycerol, MSDS, available at http://www.hvchemical.com/msds/glyc.htm (accessed December, 2011).