Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 931-40-8, is researched, SMILESS is O=C1OCC(CO)O1, Molecular C4H6O4Journal, Journal of Environmental Chemical Engineering called A green and facile production of catalysts from waste red mud for the one-pot synthesis of glycerol carbonate from glycerol, Author is Das, Bikashbindu; Mohanty, Kaustubha, the main research direction is waste red mud green catalyst glycerol transesterification; one pot synthesis.Recommanded Product: 4-(Hydroxymethyl)-1,3-dioxolan-2-one.
In this study, waste red mud (RM) from aluminum industry was calcined at different temperatures between 400 °C-800 °C and was applied as catalysts for the efficient production of glycerol carbonate (GC) through transesterification of glycerol (GL) with di-Me carbonate (DMC). No chem. pretreatments or incorporation of any other foreign active components into the surface of RM was performed before its application as a catalyst. XRD and FTIR anal. revealed that RM calcined at 500 °C (RM-500) possessed the maximum concentration of active NaAlO2 and Ca2SiO4 sites, thus produced the highest catalytic activity (92.02% GC yield). At calcination temperature above 500 °C, hematite became the dominant phase and the concentration of NaAlO2 and Ca2SiO4 decreased, which also decreased the catalytic activity. The RM-500 catalyst showed excellent resistant for the transesterification of GL in the presence of initial impurities like water and methanol. Based on the results of different characterization techniques, a plausible reaction mechanism and the deactivation mechanism was proposed. Further, the kinetic anal. and reusability study was also studied in details.
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