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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Evaluation of the oxidation stability of biodiesel produced from moringa oleifera oil
Energy and Fuels, Volume 25, No. 11, Year 2011
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Description
Biodiesel is considered as an alternative fuel to petroleum-based conventional diesel fuel. Dependent upon the raw material, biodiesel can contain more or less unsaturated fatty acids in its composition, which are susceptible to oxidation reactions accelerated by exposure to oxygen and high temperatures. The present study evaluated the oxidative stability of biodiesel produced by methanolysis of Moringa oleifera oil, primarily available on the African continent. The evaluation was conducted by means of the Rancimat instrument, at a temperature of 110 °C, with an air flow of 10 L/h. Moringa oil methyl ester (MOME) displayed an oxidation stability of 5.05 h. Thus, MOME met the oxidative stability requirement in the American Society for Testing and Materials (ASTM) D6751 standard, which prescribes a minimum of 3 h, but did not meet the minimum requirement prescribed in the EN 14214 standard, which is 6 h. Also, this study evaluated the effectiveness of four antioxidants, 1,2,3-trihydroxybenzene [pyrogallol (PY)], 3,4,5-trihydroxybenzoic acid [propyl gallate (PG)], 2-tert-butyl-4-methoxyphenol [butylated hydroxyanisole (BHA)], and 2,6-di-tert-butyl-4-methylphenol [butylated hydroxytoluene (BHT)], on the oxidation stability of MOME. The result showed that the effectiveness of these antioxidants was in the order of PY > PG > BHA > BHT. © 2011 American Chemical Society.
Authors & Co-Authors
Kivevele, Thomas Thomas
South Africa, Pretoria
Tshwane University of Technology
Mbarawa, Makame M.
South Africa, Pretoria
Tshwane University of Technology
Bereczky, Ákos
Hungary, Budapest
Budapest University of Technology and Economics
Zöldy, Máté
Hungary, Budapest
Mol Group
Statistics
Citations: 29
Authors: 4
Affiliations: 3
Identifiers
Doi:
10.1021/ef200855b
ISSN:
08870624
e-ISSN:
15205029
Research Areas
Environmental