Na-CaO/MgO dolomites used as heterogeneous catalysts in canola oil transesterification for biodiesel production
2021
Abstract Mexican dolomites were doped with sodium nitrate and calcined at 900°C to generate the corresponding CaO/MgO and Na-CaO/MgO mixed metal oxides. The resulting oxides were tested with regard to the catalytic transesterification of commercial canola oil in a batch reactor for biodiesel production. The catalysts were characterized using several spectroscopic and physicochemical techniques. Among all catalysts, Na-CaO/MgO effected the highest conversion rate, at 95.4%. The experimental catalytic parameters were processed in a nonlinear program to obtain the optimal theoretical conversion rate of 97.46%, consistent with the experimental results.
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