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http://dx.doi.org/10.7464/ksct.2013.19.4.416

Glycerol Carbonate Synthesis by Glycerol Oxidative Carbonylation over Copper Catalysts  

Choi, Jae Hyung (Department of Chemical Engineering, Pukyong National University)
Lee, Sang Deuk (Clean Energy Research Center, Korea Institute of Science and Technology)
Woo, Hee Chul (Department of Chemical Engineering, Pukyong National University)
Publication Information
Clean Technology / v.19, no.4, 2013 , pp. 416-422 More about this Journal
Abstract
In environmental friendly aspects, the synthesis of glycerol carbonate from glycerol using carbon monoxide and oxygen gases which were produced in petrochemical plants was studied. The oxidative carbonylation of glycerol under batch reaction system was performed on parameter conditions such as effect of various metals (Cu, Pd, Fe, Sn, Zn, Cr), oxidizing agents, mole ratio of carbon monoxide to oxygen, catalyst amount, solvent types, reaction temperature and time and dehydrating agents. In particular copper chloride catalysts showed the excellent activities, and the glycerol carbonate yields over CuCl and $CuCl_2$ catalysts were the maximum of 44% and 64%, respectively at the following reaction conditions: solvent as nitrobenzene, mole ratio of 1:3:0.15 (glycerol:carbon monoxide:catalyst), mole ratio of 2:1 (carbon monoxide:oxygen), the total pressure of 30 bar at 413 K for 4 hr. It was found that reactivity were significantly different depending on the oxidation number of Cu catalysts, and oxygen plays an important role as oxidizing agents in producing H2O during oxidation reaction after carbonylation of glycerol.
Keywords
Glycerol; Glycerol carbonate; Carbon monoxide; Oxidative carbonylation;
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Times Cited By KSCI : 4  (Citation Analysis)
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