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Biodiesel degradation rate after refueling
RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).ORCID-id: 0000-0001-6383-8319
Scania, Sweden.
Scania, Sweden.
2013 (Engelska)Ingår i: Fuel, ISSN 0016-2361, E-ISSN 1873-7153, Vol. 105, nr Mar, s. 301-305Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The overall objective of this study was to firmly investigate if the refueling frequency influences the degradation rate of biodiesel and find out if primary and secondary oxidation products can act as initiators for biodiesel degradation in absence of metals. Duplicate samples of B7 Reference fuel Euro VI and B100 methyl rape seed ester were studied during accelerated aging in an open to dry atmosphere system at an elevated temperature (80 °C) during 14 days. Determinations of water, short chain fatty acids as well as structural changes using infrared spectroscopy were used as degradation measures during aging and complemented with total acid number and hydroperoxide concentration at the end of the experiment. The study clearly shows that there are no autocatalytic effects from left over fuel after refueling and thus, the primary and secondary products do not directly influence the degradation rate of the fuel and that the fuel quality are in fact improved after refueling as the remaining degradation products are diluted.

Ort, förlag, år, upplaga, sidor
2013. Vol. 105, nr Mar, s. 301-305
Nyckelord [en]
Biodiesel, Degradation, Esters, Refueling, RME
Nationell ämneskategori
Naturvetenskap
Identifikatorer
URN: urn:nbn:se:ri:diva-6535DOI: 10.1016/j.fuel.2012.09.072Scopus ID: 2-s2.0-84870424468Lokalt ID: 23814OAI: oai:DiVA.org:ri-6535DiVA, id: diva2:964373
Tillgänglig från: 2016-09-08 Skapad: 2016-09-08 Senast uppdaterad: 2020-12-01Bibliografiskt granskad

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Strömberg, Niklas

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