Optimization of the production of biodiesel from grease trap waste (GTW)
Date
2016
Authors
Tran, N.
Ho, Q.
Tran, P.
Chao, L.
Curran, P.
McMurchie, E.
Ngothai, Y.
Editors
Advisors
Journal Title
Journal ISSN
Volume Title
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Conference paper
Citation
Proceedings of Chemeca 2016: Chemical Engineering - Regeneration, Recovery and Reinvention, 2016, pp.3405829-1-3405829-8
Statement of Responsibility
Nam Nghiep Tran, Quoc Phong Ho, Phuoc Cuong Tran, Lisa Chao, Philip Curran, Ted McMurchie, Yung Ngothai
Conference Name
Chemeca 2016: Chemical Engineering - Regeneration, Recovery and Reinvention (25 Sep 2016 - 28 Sep 2016 : Adelaide, South Australia)
Abstract
In this present work, biodiesel production from grease trap waste (GTW), which was supplied by an environmental service company in Adelaide, was carried out employing sulphuric acid and potassium carbonate as catalysts for esterification and transesterification process respectively. The main variables involved in the synthesis of biodiesel, including alcohol types, alcohol/grease trap ratio, amount of catalyst, reaction time, and reaction temperature, were analysed. The complicated two-step process including esterification and transesterification has been applied due to the higher level of free fatty acid in the feedstock. The obtained results showed that average biodiesel yield produced decreased in the following order: isopropanol>propanol>ethanol>butanol. The optimum experimental conditions, which were obtained from the esterification process, were ethanol/oleic acid ratio 3:1, with 5 vol% sulphuric acid catalyst, reaction time 120 minutes, and reaction temperature 65oC. The conversion obtained at the optimum condition is 95.9%.
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Dissertation Note
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© Engineers Australia, 2016