Diversified Technologies Introduces Process to Extract Oils from Algal Cells
Diversified Technologies, Inc. has introduced a low-cost process for the pre-treatment of algae using pulsed electric field, or PEF, technology to streamline the extraction of oils from algal cells early in the biorefining process. The Diversified Technologies’ PEF Pre-Treatment of Algae for Oil Extraction Process applies 10-30 kV/cm electric pulses for 2 to 20 microseconds to an algal slurry which rupture the cell walls to release biodiesel compounds such as methyl hexadecanoate. The firm estimates this low energy process of lysing algae cells would account for about $0.10/gal. of the price of algae-derived biofuel compared to $1.75/gal. for conventional drying.
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