Magnetophoretic separation of microalgae: the role of nanoparticles and polymer binder in harvesting biofuel

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Magnetophoretic separation of Chlorella sp. microalgal biomass is proven to be a feasible downstream processing technology for biofuel production. Kinetic study of cells separation in real time reveals the major steps involved for each stage of low gradient magnetic separation (LGMS) with field gradient (del B) less than 80 T m(-1). Transmission and scanning electron microscopy (TEM & SEM) together with Fourier transforms infrared (FTIR) spectra analysis are employed to confirm the full attachment of surface functionalized iron oxide nanoparticles (SF-IONPs) onto microalgal cells and how the particles distributed on the cell's surfaces. From the cross section TEM images of cells, IONPs shown the tendency to be internalized into Chlorella sp. cells but not affect the biofuel quality.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2014-04
Language
English
Article Type
Article
Keywords

GRADIENT MAGNETIC SEPARATION; ALGAE; FLOCCULATION; FILTRATION; REMOVAL; WATER; CYTOTOXICITY; SUSPENSIONS; STABILITY; TOXICITY

Citation

RSC ADVANCES, v.4, no.8, pp.4114 - 4121

ISSN
2046-2069
DOI
10.1039/c3ra46298f
URI
http://hdl.handle.net/10203/189314
Appears in Collection
CBE-Journal Papers(저널논문)
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