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Impact of antioxidant additives on the oxidation stability of diesel/biodiesel blends

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dc.contributor.author Karavalakis, G en
dc.contributor.author Stournas, S en
dc.date.accessioned 2014-03-01T02:46:50Z
dc.date.available 2014-03-01T02:46:50Z
dc.date.issued 2010 en
dc.identifier.issn 0887-0624 en
dc.identifier.uri http://hdl.handle.net/123456789/32880
dc.subject Oxidative Stability en
dc.subject.classification Energy & Fuels en
dc.subject.classification Engineering, Chemical en
dc.subject.other Biodiesel blends en
dc.subject.other Butylated hydroxytoluene en
dc.subject.other Concentration of en
dc.subject.other Different origins en
dc.subject.other Fuel markets en
dc.subject.other Methyl esters en
dc.subject.other Oxidation stability en
dc.subject.other Phenolic antioxidant en
dc.subject.other Pro-oxidants en
dc.subject.other Rancimat en
dc.subject.other Stability behavior en
dc.subject.other Ultra-low sulfur diesel en
dc.subject.other Additives en
dc.subject.other Biodiesel en
dc.subject.other Diesel fuels en
dc.subject.other Esters en
dc.subject.other Oxidation en
dc.subject.other Phenols en
dc.subject.other Stability en
dc.subject.other Sulfur en
dc.subject.other Synthetic fuels en
dc.title Impact of antioxidant additives on the oxidation stability of diesel/biodiesel blends en
heal.type conferenceItem en
heal.identifier.primary 10.1021/ef1004623 en
heal.identifier.secondary http://dx.doi.org/10.1021/ef1004623 en
heal.language English en
heal.publicationDate 2010 en
heal.abstract This study investigates the impact of various synthetic phenolic antioxidant additives on the oxidation stability of several neat biodiesels, with special emphasis on the stability behavior of diesel/biodiesel blends with the employment of the modified Rancimat method (EN 15751). The performance of antioxidants was evaluated for treating five biodiesels, obtained from different origins, and their blends with a typical automotive ultra-low sulfur diesel. The examined blends were in proportions of 2, 3, 4, 5, 7, and 10% by volume, similar to those that currently penetrate the European fuel market. All biodiesel samples were treated with a constant concentration of 1000 mg/kg of each additive and then blended with diesel fuel. The experimental results revealed that an improvement in oxidation stability could be achieved with all antioxidants tested, while the efficiency of the antioxidants varied depending upon the different types and quality of biodiesel. Among the antioxidants evaluated, butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA) displayed the lowest effectiveness in neat methyl esters, whereas their use in biodiesel blends showed a greater stabilizing potential. It was also found that additives that significantly improve the stability of biodiesel may act as pro-oxidants in biodiesel blends. © 2010 American Chemical Society. en
heal.publisher AMER CHEMICAL SOC en
heal.journalName Energy and Fuels en
dc.identifier.doi 10.1021/ef1004623 en
dc.identifier.isi ISI:000278851200055 en
dc.identifier.volume 24 en
dc.identifier.issue 6 en
dc.identifier.spage 3682 en
dc.identifier.epage 3686 en


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