Biodiesel production from canola oil using novel Li/TiO2 as a heterogeneous catalyst prepared via impregnation method

Mariam Alsharifi, Hussein Znad, Sufia Hena and Ming Ang

Renewable Energy, 2017, vol. 114, issue PB, 1077-1089

Abstract: This study focused on the development of heterogeneous catalyst for transesterification process by implanting lithium onto TiO2 by wet impregnation process. A series of Li/TiO2 was prepared with different amounts of Li (20, 30, 40 wt %) and at different calcination temperatures (450, 600, 750). The Li/TiO2 catalysts were characterized by several spectroscopic and analytical techniques like XRD, FT-IR, BET, TG-DSC and FESEM. The XRD study revealed that the insertion of Li improved the catalyst efficiency without any alteration in structure of TiO2. Li/TiO2 catalysts with 30%w/w Li and calcined at 600 °C was found to be the most efficient with 98% transesterification yield. The best performance of catalyst was achieved with methanol to oil ratio of 24:1, 5 wt % of catalyst loading, at 55 °C reaction temperatures for 3 h of reaction time. The kinetic studies revealed the transesterification process was compatible with the zero order model. However the reusability decreases after every successive use.

Keywords: Li/TiO2; Transesterification; Biodiesel; Heterogeneous catalyst (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:114:y:2017:i:pb:p:1077-1089

DOI: 10.1016/j.renene.2017.07.117

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