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The effects of alkaline catalysts in used frying oil biodiesel on the diesel engine performances

Mohd Zamberi, Mahanum and ANI, FARID NASIR and Herawan, Safarudin Gazali (2014) The effects of alkaline catalysts in used frying oil biodiesel on the diesel engine performances. Applied Mechanics and Materials, 554. pp. 449-453. ISSN 1662-7482

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Abstract

The biodiesel, defined as monoalkyl esters from waste vegetable oils are being produced widely as a viable alternative diesel fuels due to its lower cost, largest producer and reduces the disposal problem. In this study, the effects of catalyst formulation on biodiesel yield are evaluated by using three different alkaline catalyst; sodium hydroxide (NaOH), potassium hydroxide (KOH)and sodium methoxide (NaOCH3) with methanol via transesterification process and are tested in a four cylinder Mitsubishi Pajero 2.5cc Intercooler Turbo Diesel Engine. The engine emissions and performance were recorded under partial load within the range of 1000 to 3500 rpm of the biodiesel (B100) fuels compared with the diesel fuel. The best yield percentage was obtained using NaOCH3 as catalyst whilst KOH is the most convenient and simpler in process. NaOH was found to be more superior than the other two catalysts in terms of lower cost production and low engine emission.

Item Type: Article
Uncontrolled Keywords: biodiesel, used frying oil, alkaline catalyst, diesel engine performance, emission
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TP Chemical technology
Divisions: Faculty of Mechanical Engineering > Department of Thermal Fluids
Depositing User: Mr Safarudin Gazali Herawan
Date Deposited: 30 Jan 2015 01:56
Last Modified: 28 May 2015 04:36
URI: http://eprints.utem.edu.my/id/eprint/14169

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