Candida rugosa lipase for the biodiesel production from renewable sources

Mariagrazia Iuliano, Maria Sarno, Salvatore De Pasquale and Eleonora Ponticorvo

Renewable Energy, 2020, vol. 162, issue C, 124-133

Abstract: Lipase from Candida rugosa was physically attached to Mg modified Fe2O4 nanoparticles (NPs) and employed for the conversion of brewers’ spent grains (BSGs) into biodiesel, in the presence of methanol. The proposed strategy explored the direct immobilization of the enzyme on the as-prepared oleic acid modified inexpensive NPs. In addition, a large amount of enzyme was bound on the NPs, allowing their efficient recycling by using an external magnet. A very remarkable better yield of 98% was achieved at 1:4 oil/methanol molar ratio after 48 h at 45 °C reaction temperature. The nanocatalyst also exhibits good recyclability. The biodiesel produced was analyzed according to EN 14214.

Keywords: Biofuel; Brewers’ spent grains; Mg modified Fe2O4 nanoparticles (NPs); Enzyme immobilization; Enzyme activity and stability (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:162:y:2020:i:c:p:124-133

DOI: 10.1016/j.renene.2020.08.019

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