Please use this identifier to cite or link to this item:
https://open.uns.ac.rs/handle/123456789/14758
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Vujicic D. | en |
dc.contributor.author | Comic D. | en |
dc.contributor.author | Zarubica A. | en |
dc.contributor.author | Mićić, Radoslav | en |
dc.contributor.author | Boskovic G. | en |
dc.date.accessioned | 2020-03-03T14:57:17Z | - |
dc.date.available | 2020-03-03T14:57:17Z | - |
dc.date.issued | 2010-01-01 | en |
dc.identifier.issn | 162361 | en |
dc.identifier.uri | https://open.uns.ac.rs/handle/123456789/14758 | - |
dc.description.abstract | Calcium oxide as a heterogeneous catalyst was investigated for its effect on the biodiesel synthesis from refined sunflower oil. Experiments were carried out using a commercial bench stirred tank reactor of 2 dm3 volume, at 200 rpm, with a methanol to oil ratio 6 to 1 and 1 mas.% catalyst loading as constant parameters. Ester yields were followed as a function of temperature (60-120 °C), pressure (1-15 bars) and reaction time (1.5-5.5 h). The temperature of 100 °C was found to be optimal for the maximum (91%) conversion to methyl esters, while pressure had a positive impact up to 10 bars at 80 °C. The catalyst activation in air leading to the formation of strong basic sites was found to occur at 900 °C. Catalyst particle coalescence took place during the reaction, giving a gum-like structure, and resulted in a significant catalyst deactivation. The pseudo-first order reaction was established, with a "knee" at 80 °C in the Arrhenius plot separating the kinetic and diffusion regimes. During the reaction progress, an activation energy decrease from 161 to 101 kJ/mol, and from 32 to (-3) kJ/mol, was found for the kinetic and diffusion regimes, respectively. © 2010 Elsevier Ltd. All rights reserved. | en |
dc.relation.ispartof | Fuel | en |
dc.title | Kinetics of biodiesel synthesis from sunflower oil over CaO heterogeneous catalyst | en |
dc.type | Journal/Magazine Article | en |
dc.identifier.doi | 10.1016/j.fuel.2009.11.043 | en |
dc.identifier.scopus | 2-s2.0-77955263390 | en |
dc.identifier.url | https://api.elsevier.com/content/abstract/scopus_id/77955263390 | en |
dc.relation.lastpage | 2061 | en |
dc.relation.firstpage | 2054 | en |
dc.relation.issue | 8 | en |
dc.relation.volume | 89 | en |
item.fulltext | No Fulltext | - |
item.grantfulltext | none | - |
crisitem.author.orcid | 0000-0002-3976-0803 | - |
Appears in Collections: | TFZR Publikacije/Publications |
SCOPUSTM
Citations
194
checked on Apr 29, 2023
Page view(s)
26
Last Week
8
8
Last month
0
0
checked on May 10, 2024
Google ScholarTM
Check
Altmetric
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.