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Rapid biodiesel synthesis from waste pepper seeds without lipid isolation step

Affiliations

  • 1 Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea.
  • 2 O-Jeong Eco-Resilience Institute (OJERI), Division of Environmental Science and Ecological Engineering, Korea University, Seoul, Republic of Korea.
  • 3 Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea. Electronic address: [email protected]
  • PMID: 28500884
  • DOI: 10.1016/j.biortech.2017.05.011

Rapid biodiesel synthesis from waste pepper seeds without lipid isolation step

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Authors

Affiliations

  • 1 Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea.
  • 2 O-Jeong Eco-Resilience Institute (OJERI), Division of Environmental Science and Ecological Engineering, Korea University, Seoul, Republic of Korea.
  • 3 Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea. Electronic address: [email protected]
  • PMID: 28500884
  • DOI: 10.1016/j.biortech.2017.05.011

Abstract

In situ transformation of lipid in waste pepper seeds into biodiesel (i.e., fatty acid methyl esters: FAMEs) via thermally-induced transmethylation on silica was mainly investigated in this study. This study reported that waste pepper seeds contained 26.9wt% of lipid and that 94.1% of the total lipid in waste pepper seeds could be converted into biodiesel without lipid extraction step for only ∼1min reaction time. This study also suggested that the optimal temperature for in situ transmethylation was identified as 390°C. Moreover, comparison of in situ process via the conventional transmethylation catalyzed by H2SO4 showed that the introduced biodiesel conversion in this study had a higher tolerance against impurities, thereby being technically feasible. The in situ biodiesel production from other oil-bearing food wastes can be studied.

Keywords: Biodiesel; Fatty acid methyl esters (FAMEs); Food waste; Transmethylation; Waste-to-energy.

Copyright © 2017 Elsevier Ltd. All rights reserved.

In situ transformation of lipid in waste pepper seeds into biodiesel (i.e., fatty acid methyl esters: FAMEs) via thermally-induced transmethylation on silica was mainly investigated in this study. This study reported that waste pepper seeds contained 26.9wt% of lipid and that 94.1% of the total lipi …