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

Jechan Lee; Jong Min Jung; Chanhyuk Park; Byong Hun Jeon; Chi Hwa Wang; Sang Ryong Lee; Eilhann E. Kwon

doi:10.1016/j.jclepro.2017.09.096

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

Jechan Lee, Jong Min Jung, Chanhyuk Park, Byong Hun Jeon, Chi Hwa Wang, Sang Ryong Lee, Eilhann E. Kwon

Department of Environmental Science & Engineering

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

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 (∼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.

Original language	English
Pages (from-to)	1211-1216
Number of pages	6
Journal	Journal of Cleaner Production
Volume	168
DOIs	https://doi.org/10.1016/j.jclepro.2017.09.096
State	Published - 1 Dec 2017

Bibliographical note

Funding Information:
This work was supported by the New & Renewable Energy Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea (No. 20163010092290 ). Appendix A

Publisher Copyright:
© 2017 Elsevier Ltd

Keywords

Biodiesel
Fat, oil and grease (FOG)
Simultaneous esterification/transesterification
Waste management
Waste-to-energy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jclepro.2017.09.096

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

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 (∼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.",

keywords = "Biodiesel, Fat, oil and grease (FOG), Simultaneous esterification/transesterification, Waste management, Waste-to-energy",

author = "Jechan Lee and Jung, {Jong Min} and Chanhyuk Park and Jeon, {Byong Hun} and Wang, {Chi Hwa} and Lee, {Sang Ryong} and Kwon, {Eilhann E.}",

note = "Funding Information: This work was supported by the New & Renewable Energy Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea (No. 20163010092290 ). Appendix A Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd",

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AU - Lee, Jechan

AU - Jung, Jong Min

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AU - Jeon, Byong Hun

AU - Wang, Chi Hwa

AU - Lee, Sang Ryong

AU - Kwon, Eilhann E.

N1 - Funding Information: This work was supported by the New & Renewable Energy Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea (No. 20163010092290 ). Appendix A Publisher Copyright: © 2017 Elsevier Ltd

PY - 2017/12/1

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N2 - 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 (∼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.

AB - 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 (∼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.

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KW - Simultaneous esterification/transesterification

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

Abstract

Bibliographical note

Keywords

UN SDGs

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