Abstract
Glycerol surplus in recent decades due to global increase in biodiesel production has created a new form of challenge in terms of purification for crude glycerol. This review summarizes the progress of crude glycerol purification technologies using various techniques. Critical insights are given regarding the application of suitable techniques for crude glycerol purification which includes chemical pre-treatment, methanol removal, vacuum distillation, ion exchange, activated carbon and membrane separation technology. Extensive discussion is made in relation with stages and processes in the conventional, current and emerging glycerol purification technologies. Lastly, aspects concerning the challenges of glycerol utilization and purification are thoroughly discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 1164-1173 |
| Number of pages | 10 |
| Journal | Renewable and Sustainable Energy Reviews |
| Volume | 42 |
| DOIs | |
| State | Published - Feb 2015 |
Bibliographical note
Publisher Copyright:© 2014 Elsevier Ltd. All rights reserved.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Biodiesel
- Crude glycerol
- Membrane
- Purification
ASJC Scopus subject areas
- Renewable Energy, Sustainability and the Environment
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