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Pyrolysis of lipid wastes under different atmospheres: vacuum, nitrogen and methane

Durão Luís, Gonçalves Margarida Rosal, Oliveira Ana Paula, Nobre Catarina, Mendes Benilde, Kolaiti Tereza, Tsoutsos Theocharis

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Extent6 pagesen
TitlePyrolysis of lipid wastes under different atmospheres: vacuum, nitrogen and methaneen
CreatorDurão Luísen
CreatorGonçalves Margarida Rosalen
CreatorOliveira Ana Paulaen
CreatorNobre Catarinaen
CreatorMendes Benildeen
CreatorKolaiti Terezaen
CreatorΚολαϊτη Τερεζαel
CreatorTsoutsos Theocharisen
CreatorΤσουτσος Θεοχαρηςel
PublisherCRC Press/Balkemaen
Content SummaryPyrolysis of high acidity olive oil, olive husk oil and animal fat was carried out under different atmospheres (vacuum, N2 and CH4), at constant temperature and different residence times. Bio-oils were the main pyrolysis products, with mass yields from 55.2% to 88.9%. The use of nitrogen or methane atmospheres led to an increase in the formation of gas products (14.1% to 26%), while increasing the residence time resulted in higher yields of gases and solids. The pyrolysis bio-oils contained 54.4% to 88.7% (w/w) of distillable liquids, collected as a light fraction and a heavy fraction. Both fractions were analysed by GC-MS to determine the hydrocarbon profiles and identification of functional groups. Vacuum pyrolysis promoted the formation of low molecular weight liquids while the use of a methane atmosphere increased the relative concentration of aliphatic components in the bio-oil.en
Type of ItemΠλήρης Δημοσίευση σε Συνέδριοel
Type of ItemConference Full Paperen
Date of Item2019-11-07-
Date of Publication2017-
SubjectOlive oilen
Bibliographic CitationL. Durão, M. Gonçalves, A. Oliveira, C. Nobre, B. Mendes, T. Kolaitis and T. Tsoutsos, "Pyrolysis of lipid wastes under different atmospheres: Vacuum, nitrogen and methane," in 4th International Conference Wastes: Solutions, Treatments and Opportunities, 2018, pp. 425-430. doi: 10.1201/9781315206172-67en