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The effect of process parameters and catalyst support preparation methods on the catalytic efficiency in transesterification of sunflower oil over heterogeneous KI/Al2O3-based catalysts for biodiesel production
dc.creator | Marinković, Miloš | |
dc.creator | Waisi, Hadi | |
dc.creator | Blagojević, Stevan | |
dc.creator | Zarubica, Aleksandra | |
dc.creator | Ljupković, Radomir | |
dc.creator | Krstić, Aleksandra | |
dc.creator | Janković, Bojan | |
dc.date.accessioned | 2023-06-01T10:41:32Z | |
dc.date.available | 2023-06-01T10:41:32Z | |
dc.date.issued | 2022 | |
dc.identifier.issn | 0016-2361 | |
dc.identifier.uri | https://riofh.iofh.bg.ac.rs/handle/123456789/931 | |
dc.description.abstract | The essence of this study is synthesis of a newly developed and efficient heterogeneous catalyst based on aluminum oxide support promoted with potassium iodide (KI) as active dopant responsible for pronounced catalyst activity. Modified sol-gel, reflux and hydrothermal method were used for synthesis of aluminum-oxide support using aluminum isopropoxide as a precursor. The gamma-Al2O3 support and KI/gamma-Al2O3 catalyst samples were examined by various experimental techniques. Effects of several operational parameters were considered and those are: methanol to sunflower oil molar ratio, catalyst loadings, reaction time and reaction stirring rate. The obtained results indicated that modified sol-gel method for synthesis of gamma-Al2O3 catalyst support is the most favorable for obtaining the catalyst with superior catalytic performances in transesterification of sunflower oil. A maximum conversion (triglycerides to methyl esters) of 99.99% was achieved using the SG-KI/gamma-Al2O3-770 catalyst under following optimal process parameters: 15:1 methanol to sunflower oil molar ratio, 2.5 wt% catalysts loading, 600 rpm stirring rate and 4 h of the reaction run. | en |
dc.publisher | Elsevier Ltd | |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200051/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200124/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200017/RS// | |
dc.rights | restrictedAccess | |
dc.source | Fuel | |
dc.subject | Transesterification | en |
dc.subject | Process parameters | en |
dc.subject | Potassium loaded alumina | en |
dc.subject | Heterogeneous catalysis | en |
dc.subject | Biodiesel production | en |
dc.title | The effect of process parameters and catalyst support preparation methods on the catalytic efficiency in transesterification of sunflower oil over heterogeneous KI/Al2O3-based catalysts for biodiesel production | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.other | 315: - | |
dc.citation.rank | M21~ | |
dc.citation.volume | 315 | |
dc.identifier.doi | 10.1016/j.fuel.2022.123246 | |
dc.identifier.rcub | conv_981 | |
dc.identifier.scopus | 2-s2.0-85122811684 | |
dc.identifier.wos | 000747424000002 | |
dc.type.version | publishedVersion |
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