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AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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The STUDIA UNIVERSITATIS BABEŞ-BOLYAI issue article summary The summary of the selected article appears at the bottom of the page. In order to get back to the contents of the issue this article belongs to you have to access the link from the title. In order to see all the articles of the archive which have as author/co-author one of the authors mentioned below, you have to access the link from the author's name. |
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STUDIA CHEMIA - Issue no. 1 / 2011 | |||||||
Article: |
BIODIESEL PRODUCTION FROM SUNFLOWER OIL WITH CANDIDA ANTARCTICA LIPASE B. Authors: GOG ADRIANA, MIRCEA CHINTOANU, MARIUS ROMAN, EMIL LUCA, CSABA PAIZS, FLORIN-DAN IRIMIE. |
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Abstract: In this paper, we have evaluated the efficacy of an enzymatic method for the transesterification process of sunflower oil with methanol in the presence of tert-butanol. tert-Butanol was used as the reaction medium to eliminate both negative effect caused by excessive methanol and glycerol resulted as by product. Using the following reaction conditions: 1% Novozym 435 based on oil weight, methanol / oil molar ratio 6:1, tert-butanol/ oil volume ratio 6:1, the FAME reached its maximum level after 3h, with a value of 78.6% (m/m). Keywords: biodiesel, tert-Butanol, Novozym 435, enzymatic transesterification |
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