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- W2029369898 abstract "This paper reports the possibility of using magnesia modified with strontium as a solid catalyst for biodiesel production via transesterification reaction. A synergetic effect between active Sr species and MgO support was clearly evidenced by the comparative study. Fine particles of the Sr–Mg catalysts prepared by the impregnation synthesis exhibited excellent activity as compared to bulk dense SrO or less-active MgO alone. The high activity of the Sr–Mg catalyst could result from the new strong basic-sites generated from the solid phase reaction and the high dispersion of the active species, as suggested from characterization data. The study shows that the amount of Sr in the catalyst and the calcination temperature are crucial factors affecting the catalyst performance; the optimal preparation condition was that with a Sr loading amount of 5.0 mmol/g and a calcination temperature of 600 °C. The methyl ester (ME) content of 97.3 wt.% was achieved over the developed catalyst within 30 min under the optimal transesterification conditions of methanol:oil molar ratio of 9:1, catalyst amount of 5 wt.% and temperature of 60 °C. The present study provides new insight into controlling the catalyst activity of magnesia modified with strontium by tailoring the preparation conditions." @default.
- W2029369898 created "2016-06-24" @default.
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- W2029369898 date "2010-08-01" @default.
- W2029369898 modified "2023-09-27" @default.
- W2029369898 title "Magnesia modified with strontium as a solid base catalyst for transesterification of palm olein" @default.
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- W2029369898 doi "https://doi.org/10.1016/j.cej.2010.04.057" @default.
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