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Rapid conversion of fat, oil and grease (FOG) into biodiesel without pre-treatment of FOG

Title
Rapid conversion of fat, oil and grease (FOG) into biodiesel without pre-treatment of FOG
Authors
Lee, JechanJung, Jong-MinPark, ChanhyukJeon, Byong-HunWang, Chi-HwaLee, Sang-RyongKwon, Eilhann E.
Ewha Authors
박찬혁
Issue Date
2017
Journal Title
JOURNAL OF CLEANER PRODUCTION
ISSN
0959-6526JCR Link

1879-1786JCR Link
Citation
JOURNAL OF CLEANER PRODUCTION vol. 168, pp. 1211 - 1216
Keywords
Fat, oil and grease (FOG)Waste managementBiodieselWaste-to-energySimultaneous esterification/transesterification
Publisher
ELSEVIER SCI LTD
Indexed
SCIE; SCOPUS WOS
Document Type
Article
Abstract
In this study, the conversion of fat, oil and grease (FOG) into fatty acid methyl esters (FAMEs) without pre-treatment of FOG is investigated. A thermally induced process to accomplish simultaneous esterification of free fatty acids (FFAs) and transesterification of lipids is introduced. Despite high contents of impurities in FOG (similar to 14 wt%), the maximum achievable yield of FAMEs on feedstock mass basis was >86% for 10 s reaction time without removal of impurities prior to the reaction while conventional acid catalyzed reaction only produced <27.7% FAMEs from FOG. This means that the introduced technique can be effective for the conversion of low-quality raw material (e.g., FOG) into biodiesel. This study would suggest the potential not only for developing a sustainable integrated treatment process of FOG requiring no separation of lipids and FFAs in wastewater treatment facilities but also for using FOG as a renewable energy resource. (C) 2017 Elsevier Ltd. All rights reserved.
DOI
10.1016/j.jclepro.2017.09.096
Appears in Collections:
엘텍공과대학 > 환경공학전공 > Journal papers
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