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The reaction of chlorodifluoromethane (R-22) with sodium methoxide produces difluoromethoxymethane, an alternative refrigerant with low ozone depleting potential. In this study a kinetic model of the dehydrochlorination process was identified, based on rate data obtained from a semi-batch gas–liquid reactor. The reaction was studied at a reaction temperature of 283–303K, R-22 inlet partial pressures...