عنوان مقاله [English]
The aim of this paper is to study the kinetic study carbonylation of methanol using of the homogeneous rhodium catalyst and CH3I as the promoter in acid media based on Monsanto Process. The reaction was carried out in liquid media in the constant pressures 20,28 and 40 atm. and temperatures 170 to185oC, espect to the initial reactant concentrations and CO pressure. It was identified that the reaction rate would be nearly first order dependence with respect to catalyst and promoter concentrations. The activation energy and frequency factor were calculated using of the Arrhenius formula and then the results are compared with those obtained from the literature.