Journal
RENEWABLE ENERGY
Volume 98, Issue -, Pages 23-28Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2016.04.035
Keywords
Lignocellulosic biomass; Bioethanol; Immobilization; Magnetic nanoparticles; Nanobiocomposite
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Cellulase bound magnetic nanoparticles was used as nanobiocatalyst for the hydrolysis of Sesbania aculeate biomass in the present study. The characteristic peak at 1624 cm(-1) in FT-IR spectrum confirmed the presence of cellulase on MNP. The particle size of the nanobiocatalyst was found in the range of 90 -100 nm and it was structurally found to be cubic in nature. The paramagnetic behavior of nanobiocatalyst was confirmed by VSM analysis. The optimal parameters are 1.5% (w/v) of nanobiocatalyst concentration, biomass concentration of 4% (w/v) and temperature at 30 degrees C. The maximum bioethanol yield of 5.31 g/l was obtained using Sesbania aculeate biomass hydrolysate under optimal conditions. The produced bioethanol was confirmed by GC-MS analysis. Reusability study was analyzed and proved that the nanobiocatalyst was efficient for the feasible production of bioethanol. (C) 2016 Elsevier Ltd. All rights reserved.
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