Abstract
Glycerin, a surplus biomass byproduct of biodiesel production, and CO2, an inexhaustible raw material, was successfully converted into glycerol carbonate, a high value-added chemical, using CaO as a regenerable dehydrating agent in the presence of Zn(OTf)2/1,10-phenanthroline as a catalyst. Mechanical stirring effectively suppresses the solidification of calcium components after dehydration, thereby greatly improving reaction efficiency. Since the carbon atoms of biomass-derived glycerin are derived from CO2 fixed by plant photosynthesis, all carbon atoms of glycerol carbonate stem essentially from CO2. More information can be found in the Research Article by Jun-Chul Choi et al.
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