Lipid Extraction from Wet-Algae for Biofuel Production
Dr. Pellegrino's team has developed a two-step membrane process which contacts a dewatered, but wet, algae stream (5-7% ash-free dry mass of solids) with mixed solvents and provides a concentrated lipid stream (with other fuel fungible organic species), a recyclable mixed solvent stream, and residual biomass that is vacuum-flashed to remove entrained solvent. The residual biomass is then suitable for further use as a co-product. There are several technical lever points, including that the use of membranes allows a solvent mixture to be used without the concomitant issues and energy consumption that would be inherent in a thermal separation process.Applications and IndustriesBiofuels.
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