Two-Step Purification of Glycerol as a Value Added by Product From the Biodiesel Production Process

• Main Authors: Abdul Raman, Abdul Aziz, Tan, Hooi W., Buthiyappan, Archina
• Format: Article
• Published: Frontiers Media 2019
• Subjects: TP Chemical technology
• Online Access: http://eprints.um.edu.my/24256/; https://doi.org/10.3389/fchem.2019.00774

For every ton of biodiesel produced, about 100 kg of glycerol is also generated as a by-product. The traditional method of removing glycerol is mainly by gravity separation or centrifugation. This method generates crude glycerol, which may still contain impurities such as methanol, oil, soap, salt,...