Thermodynamic Analysis of Dimethyl Carbonate Synthesis from Methanol and Urea

The standard heat of formation,Gibbs free energy and heat capacity of dimethyl carbonate(l),methyl carbamate(l) and urea(l) are calculated by the method of group contribution discovered by Benson S W.The chemical thermodynamics in the reaction prepared dimethyl carbonate from methanol and urea is studied and the equilibrim constant K0 is evaluated according to the chemical thermodynamic principle.Thermodynamic data is provided for the research of process and catalyst in the preparation of dimethyl carbonate from methanol and urea.