Nickel oxide nanoparticle-based method for simultaneous harvesting and disruption of microalgal cells

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Microalgae biodiesel is considered one of the most promising renewable fuels. However, the high cost of the downstream process is a major barrier to large-scale microalgal lipid production. In this study, a novel approach based on nickel oxide nanoparticles (NiO NPs) was developed and its effectiveness for simultaneous harvesting and cell disruption in microalgal lipid production was determined. NiO NPs exhibited a microalgal harvesting efficiency of 98.75% in 1 min at pH 7. Moreover, after treating with NiO NPs for 96 h, the lipid extraction efficiency of microalgae (with 80% water content) reached 91.08% and was 208.37% compared to that without NiO treatment. This approach is simple and does not necessitate drying; furthermore, no equipment with high energy consumption was required. (C) 2016 Elsevier Ltd. All rights reserved
Publisher
ELSEVIER SCI LTD
Issue Date
2016-10
Language
English
Article Type
Article
Keywords

LIPID EXTRACTION; OXIDATIVE STRESS; BIODIESEL; GROWTH

Citation

BIORESOURCE TECHNOLOGY, v.218, pp.1290 - 1293

ISSN
0960-8524
DOI
10.1016/j.biortech.2016.07.091
URI
http://hdl.handle.net/10203/214104
Appears in Collection
CBE-Journal Papers(저널논문)
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