Enhanced methanol recovery and glycerol separation in biodiesel production – DWC makes it happen

Anton A. Kiss and Radu M. Ignat

Applied Energy, 2012, vol. 99, issue C, 146-153

Abstract: Biodiesel is a renewable fuel that consists of fatty acids methyl esters – currently produced by trans-esterification of glycerides with methanol. After the biodiesel synthesis, the downstream processing steps involve the purification of crude glycerol, as well as the separation of excess methanol (recyclable), glycerol by-product and water (from washing and pre-treatment steps). The separation of the ternary mixture methanol–water–glycerol is carried out in a conventional direct sequence that requires two distillation columns and rather high amounts of energy.

Keywords: Dividing-wall column; Biodiesel purification; Design and control; Process intensification; Capital and energy savings (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (5)

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DOI: 10.1016/j.apenergy.2012.04.019

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