A Comparison of Biodiesel Purification Methods
Schabort, C.J., Van der Walt, P.J., Marx, S.
The purification of biodiesel is of cardinal importance to ensure the final product meets industry standards. This final step in the production stage contributes a large portion of the cost attributed to biodiesel production. The aim of this study was to compare four biodiesel purification methods and the energy required to provide a fuel that meets specifications. Major contaminants (water and soap) and fuel properties (oxidative stability) were investigated and compared for the four purification methods. These methods were wet washing with thermal drying and dry washing with Magnesol™ DSol, Purolite™ PD206 and sunflower husk ash. The drywash methods proved to be more effective in the removal of contaminants and were less energy intensive than traditional wet washing. Dry washing costs were shown to be significantly lower than for traditional wet washing.
biodiesel, biofuel, sunflower, transesterification
Industrial Demonstration and Business Concepts
Biofuels for transport
21st European Biomass Conference and Exhibition
1650 - 1655
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