Algal oil extraction from wet biomass of Botryococcus braunii by 1,2-dimethoxyethane

Chun-Zhao Liu, Sen Zheng, Ling Xu, Feng Wang and Chen Guo

Applied Energy, 2013, vol. 102, issue C, 974 pages

Abstract: A water-miscible solvent of 1,2-dimethoxyethane was found for efficient extraction of algal oil from wet cells of Botryococcus braunii. The volumetric ratio of the extractant to water in the wet algal biomass affected the extraction efficiency at a fixed ratio of solvent to dry algal biomass, and a high algal oil recovery above 96% was achieved when a volumetric ratio of 1,2-dimethoxyethane to water in the wet algal biomass was more than 6.5:1 (v/v). An energy cost analysis indicated that the water content reduction of the wet algal biomass in the algal harvesting process had a great impact on energy saving.

Keywords: Botryococcus braunii; 1,2-Dimethoxyethane; Algal oil extraction; Microalgae; Wet biomass (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:102:y:2013:i:c:p:971-974

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DOI: 10.1016/j.apenergy.2012.08.016

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