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A New Method of Dealcoholization of Crude Biodiesel Fuel

✍ Scribed by Skopal, František ;Komers, Karel ;Machek, Jaroslav

Publisher
John Wiley and Sons
Year
1997
Weight
328 KB
Volume
99
Category
Article
ISSN
0931-5985

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✦ Synopsis

In the production of biodiesel fuel from natural oils and fats via transesterification with a surplus of low molecular alcohols biodiesel and glycerol phases are obtained with alcohol residues. The utilization of the dealcoholized glycerol phase for dealcoholization of crude biodiesel phase is discussed. Theoretical relations for the calculation of the optimum conditions of this operation are derived and their validity is experimentally tested on the reaction between rapeseed oil and methanol catalyzed by KOH. Eine neue Methode zur Dealkoholisierung von Biodiesel. Bei der Produktion von Biodieseltreibstoff aus natiirlichen Olen und Fetten erhalt man durch die Umesterung mit einem UberschuD an niedrigmolekularem Alkohol eine Biodiesel-und Glycerolphase mit Alkoholresten. Der Einsatz der dealkoholisierten Glycerolphase bei der Dealkoholisierung der Rohbiodieselphase wird diskutiert. Die theoretischen Beziehungen fur die Berechnung der optimalen Bedingungen fur diese Operation werden beschrieben und ihre Giiltigkeit fur die Reaktion zwischen Rapsol und Methanol, katalysiert mit KOH, wird getestet.

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## Abstract Dramatic increases in the price of crude oil, and consequently, transportation fuels, coupled with increased environmental concerns have resulted in rapid growth in biodiesel production, both in the United States and worldwide. As biodiesel production increases, so does production of th