Research on KOH/La-Ba-Al2O3 catalysts for biodiesel production via transesterification from microalgae oil
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Outstanding activity of a biodiesel coated K<inf>2</inf>O/fumed silica catalyst in the transesterification reaction
2021, Journal of Environmental Chemical EngineeringCitation Excerpt :No KOH or K2O diffraction peaks were observed. This could be explained by the high dispersion of the active phase on the fumed silica support [17,27] and/or the presence of amorphous K2O species [3]. The calcination temperature utilized in this study (500 °C) is enough to allow the thermal decomposition of KOH to K2O.
Comprehensive assessment of the preparation conditions of a separable magnetic nanocatalyst for biodiesel production from algae
2020, Algal ResearchCitation Excerpt :However, there is a concern about bonding between sulfate groups whereby metal cations causing insufficient reusability have been observed [31,32]. Aluminum is an element with high availability, suitable price, high thermal stability and surface area, and large pore size which can make good bonding with other oxides or active phases such as sulfate and is the most popular support of solid basic catalysts [33–35]. Al cations in the form of oxide have been used for improving the activity of SO4/Mg-Fe3O4 [36] and SO4/Fe-TiO2 [37] nanocatalysts for biodiesel production from waste cooking oil (WCO).
Critical evaluation of process parameters for direct biodiesel production from diverse feedstock
2020, Renewable and Sustainable Energy Reviews
This work was supported by the Institute of Chemical Materials Foundation of CAEP (No. 626010937).