Cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor

Methyl ester contributes to environmental protection as it is biodegradable, renewable, non-toxic, produces less sulphur oxides emissions and greenhouse gases. The present work highlights the potential of hydrodynamic cavitation for the methyl ester production from waste cooking oil. The transesteri...

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Main Authors: Chuah, L.F., Yusup, S., Abd Aziz, A.R., Bokhari, A., Abdullah, M.Z.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.25544 /
Published: Elsevier Ltd 2016
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84959509281&doi=10.1016%2fj.jclepro.2015.06.112&partnerID=40&md5=4f6907a3ae641314e69ecf752ea50e81
http://eprints.utp.edu.my/25544/
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spelling utp-eprints.255442021-08-27T09:58:33Z Cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor Chuah, L.F. Yusup, S. Abd Aziz, A.R. Bokhari, A. Abdullah, M.Z. Methyl ester contributes to environmental protection as it is biodegradable, renewable, non-toxic, produces less sulphur oxides emissions and greenhouse gases. The present work highlights the potential of hydrodynamic cavitation for the methyl ester production from waste cooking oil. The transesterification process was conducted under optimised conditions, such as oil to methanol molar ratio of 1:6 in the presence of 1 wt. potassium hydroxide as alkali catalyst at 60 °C. Four newly designed orifice plate geometries induced cavities assisted by a double diaphragm pump in a pilot hydrodynamic cavitation reactor were investigated. It is shown that the high turbulence generated by the cavitating bubbles were effective in reducing the mass transfer resistance between immiscible reactants during the transesterification reaction due to increased interfacial area. At 2 bar inlet pressure, orifice plate with 21 holes of 1 mm diameter resulted in 8 fold higher yield efficiency and 6 fold lower reaction time compared to mechanical stirring. This makes the process more environmental friendly by using hydrodynamic cavitation. In conclusion, waste cooking oil methyl ester produced via hydrodynamic cavitation proved to be energy efficiency and time saving. The properties of the produced methyl ester met both EN 14214 and ASTM D 6751 standards. © 2015 Elsevier Ltd. All rights reserved. Elsevier Ltd 2016 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-84959509281&doi=10.1016%2fj.jclepro.2015.06.112&partnerID=40&md5=4f6907a3ae641314e69ecf752ea50e81 Chuah, L.F. and Yusup, S. and Abd Aziz, A.R. and Bokhari, A. and Abdullah, M.Z. (2016) Cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor. Journal of Cleaner Production, 112 . pp. 4505-4514. http://eprints.utp.edu.my/25544/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Methyl ester contributes to environmental protection as it is biodegradable, renewable, non-toxic, produces less sulphur oxides emissions and greenhouse gases. The present work highlights the potential of hydrodynamic cavitation for the methyl ester production from waste cooking oil. The transesterification process was conducted under optimised conditions, such as oil to methanol molar ratio of 1:6 in the presence of 1 wt. potassium hydroxide as alkali catalyst at 60 °C. Four newly designed orifice plate geometries induced cavities assisted by a double diaphragm pump in a pilot hydrodynamic cavitation reactor were investigated. It is shown that the high turbulence generated by the cavitating bubbles were effective in reducing the mass transfer resistance between immiscible reactants during the transesterification reaction due to increased interfacial area. At 2 bar inlet pressure, orifice plate with 21 holes of 1 mm diameter resulted in 8 fold higher yield efficiency and 6 fold lower reaction time compared to mechanical stirring. This makes the process more environmental friendly by using hydrodynamic cavitation. In conclusion, waste cooking oil methyl ester produced via hydrodynamic cavitation proved to be energy efficiency and time saving. The properties of the produced methyl ester met both EN 14214 and ASTM D 6751 standards. © 2015 Elsevier Ltd. All rights reserved.
format Article
author Chuah, L.F.
Yusup, S.
Abd Aziz, A.R.
Bokhari, A.
Abdullah, M.Z.
spellingShingle Chuah, L.F.
Yusup, S.
Abd Aziz, A.R.
Bokhari, A.
Abdullah, M.Z.
Cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor
author_sort Chuah, L.F.
title Cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor
title_short Cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor
title_full Cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor
title_fullStr Cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor
title_full_unstemmed Cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor
title_sort cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor
publisher Elsevier Ltd
publishDate 2016
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-84959509281&doi=10.1016%2fj.jclepro.2015.06.112&partnerID=40&md5=4f6907a3ae641314e69ecf752ea50e81
http://eprints.utp.edu.my/25544/
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score 11.62408

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