Used Frying Oil: A Proper Feedstock for Biodiesel Production?

Used Frying Oil: A Proper Feedstock for Biodiesel Production?

Used frying oil seems to be an economically viable and environmentally attractive alternative for biodiesel production, but the acceptance and successful use of this and other biodiesels obtained from waste materials require careful evaluation of its fuel properties and impurities. Herein, we show t...

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Bibliographic Details
Published in:Bioenergy research Vol. 5; no. 4; pp. 1002 - 1008
Main Authors: Alberici, Rosana M., de Souza, Vanderlea, de Sá, Gilberto F., Morelli, Sidney R., Eberlin, Marcos N., Daroda, Romeu J.
Format: Journal Article
Language:English
Published: New York Springer-Verlag 01-12-2012
Springer
Springer Nature B.V
Subjects:
Agricultural biotechnology
Alcohol
Biodiesel fuels
Biomedical and Life Sciences
Combustion
Crude oil prices
Esters
Fatty acids
Heat
Iodine
Ionization
Life Sciences
Mass spectrometry
Oxidation
Plant Breeding/Biotechnology
Plant Ecology
Plant Genetics and Genomics
Plant Sciences
Raw materials
Scientific imaging
Soybean
Soybean oil
Soybeans
Studies
Vegetable oils
Waste materials
Wood Science & Technology
Brazil
Used frying soybean oil
Fuel quality control
Soybean oil
Biodiesel
Ambient mass spectrometry
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Summary:Used frying oil seems to be an economically viable and environmentally attractive alternative for biodiesel production, but the acceptance and successful use of this and other biodiesels obtained from waste materials require careful evaluation of its fuel properties and impurities. Herein, we show that biodiesel made from used frying soybean oil display overall quality comparable to those obtained from the fresh oil as measured by standard parameters of fuel quality such as induction period, acid number, heat of combustion, and iodine value as well as at the molecular level via profiles of intact and oxidized fatty acid methyl esters. These profiles were obtained directly from the biodiesel samples by easy ambient sonic spray ionization mass spectrometry. An artificial antioxidant, N,N′-di- sec -butyl- p -phenylenediamine, was shown to significantly increase the oxidative stability of the used frying oil biodiesel at trace level.
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ISSN:1939-1234
1939-1242
DOI:10.1007/s12155-012-9216-0