Journal
ULTRASONICS SONOCHEMISTRY
Volume 58, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ultsonch.2019.104658
Keywords
Sapium sebiferum; Chinese Tallow Kernel oil; Burkholderia cepacia; Ultrasonic assisted technologies; Environmental control
Categories
Funding
- National Natural Science Foundation of China [31170078, J1103514]
- National High Technology Research and Development Program of China [2011AA02A204]
- National Natural Science Foundation of Hubei Province [2015CFA085]
- Fundamental Research Funds for HUST [2014NY007]
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In East Asia, for thousands of years, the fruit of Chinese tallow tree (Sapium sebiferwn) has been used for multiple purposes because of its chemical composition; the presence of high amounts of lipids is remarkable, showing potential to be used as substrate for biodiesel synthesis. Previously have been reported the use of alkaline and enzymatic catalysts, microwave technology and the use of ionic liquids as co-solvents with the lipids of this tree species to produce biodiesel. This study shows the results of the use of Burkholderia cepacia lipase as enzymatic catalyst for transesterification of Chinese Tallow Kernel oil (CTK), extracted from the fruit of Chinese tallow tree, into biodiesel, with the use of ultrasonic assisted technology and without the usage of solvents. The optimal operational parameters were determined and the reactions were developed in a batch reactor with the use of ultrasonic irradiation and emulsification to enhance the mass transfer. The scaled-up experiments, in an especially designed 3 L capacity reactor, showed promising results, obtaining 55.20% biodiesel and a kinematic viscosity of 10.31 mm(2).s(-1) in only 4 h, in comparison with previously published (in vitro) methods. The va-lorization of this non-edible source of oil represents an opportunity to use as an alternative source for bioenergy and also to tackle the uncontrolled expansion of this oleaginous tree species in some ecologically fragile ecosystems.
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