 Development of novel Ag/bauxite nanocomposite as a heterogeneous catalyst for biodiesel productionElsie Bet-Moushoul, Khalil Farhadi, Yaghoub Mansourpanah, Rahim Molaie, Mehrdad Forough and Ali Mohammad Nikbakht Renewable Energy, 2016, vol. 92, issue C, 12-21 Abstract: Ag/bauxite nanocomposites have been prepared using in situ reduction of aqueous AgNO3 solution in a bauxite matrix and investigated for the transesterification of sunflower oil with methanol in order to study their potential as heterogeneous catalysts. The prepared nanocopmosites were characterized by XRD, SEM, EDX, FT-IR, and TG- DTA. The Central Composite Design of the Response Surface Methodology was used to optimize the effect of reaction temperature, reaction time, catalyst loading and methanol to oil molar ratio on the yield of fatty acid methyl esters. The highest yield was obtained at 67 °C reaction temperature, 3 h reaction time, 0.3 wt.% catalyst loading and 9:1 methanol to oil molar ratio. Under the optimal conditions, the methyl ester content was 94% and the catalyst successfully reused for at least 7 cycles without significant deactivation. Keywords: Bauxite; Ag nanostructures; Nanocomposite; Transesterification; Biodiesel (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:92:y:2016:i:c:p:12-21 DOI: 10.1016/j.renene.2016.01.070 Access Statistics for this article Renewable Energy is currently edited by Soteris A. Kalogirou and Paul Christodoulides More articles in Renewable Energy from Elsevier |
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