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Assessment of CaTiO3, CaMnO3, CaZrO3 and Ca2Fe2O5 perovskites as heterogeneous base catalysts for biodiesel synthesis
dc.creator | Kesić, Željka | |
dc.creator | Lukić, Ivana | |
dc.creator | Zdujić, Miodrag | |
dc.creator | Jovalekić, Čedomir | |
dc.creator | Veljković, Vlada B. | |
dc.creator | Skala, Dejan | |
dc.date.accessioned | 2018-04-11T10:12:13Z | |
dc.date.available | 2018-04-11T10:12:13Z | |
dc.date.issued | 2016 | |
dc.identifier.issn | 0378-3820 | |
dc.identifier.uri | https://dais.sanu.ac.rs/123456789/2363 | |
dc.description.abstract | Calcium-containing perovskites CaTiO3, CaMnO3, CaZrO3 and Ca2Fe2O5 were synthesized by calcination of mechanochemically treated stoichiometric mixtures of CaCO3 and either TiO2, MnO2, ZrO2 or Fe2O3 powders. X-ray diffraction analysis revealed a pure single perovskite phase for all four samples after calcination. This study proved that the pure perovskite phase exhibited low or no catalytic activity at 60 °C for the methanolysis of sunflower oil. However, at 165 °C FAME yield of more than 90% was reached after 2 h using CaTiO3, CaMnO3 and CaZrO3 as catalyst. Contrary to inactive pure perovskites at 60 °C, the CaTiO3 and Ca2Fe2O5 samples containing a very small amount of “free” CaO also showed methanolysis activity at 60 °C. This fact can be used to explain some contradictory statements reported in literature related to the perovskites as catalyst for biodiesel synthesis at mild temperatures. | en |
dc.format | 143 (2016) 162-168 | |
dc.language | en | |
dc.publisher | Elsevier | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45001/RS// | |
dc.rights | restrictedAccess | |
dc.source | Fuel Processing Technology | en |
dc.subject | Biodiesel | |
dc.subject | Transesterification | |
dc.subject | Perovskites | |
dc.subject | Catalytic activity | |
dc.subject | Calcium oxid | |
dc.title | Assessment of CaTiO3, CaMnO3, CaZrO3 and Ca2Fe2O5 perovskites as heterogeneous base catalysts for biodiesel synthesis | en |
dc.type | article | |
dc.rights.license | ARR | |
dcterms.abstract | Кесић, Жељка; Лукић, Ивана; Здујић, Миодраг; Јовалекић, Чедомир; Скала, Дејан; Вељковић, Влада; | |
dc.citation.spage | 162 | |
dc.citation.epage | 168 | |
dc.citation.volume | 143 | |
dc.identifier.wos | 000369455300018 | |
dc.identifier.doi | 10.1016/j.fuproc.2015.11.018 | |
dc.identifier.scopus | 2-s2.0-84949634722 | |
dc.type.version | publishedVersion | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_dais_2363 |