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[References: 19 tit.]

The paper considers the benzene alkylation with ethylene model development with the use of zeolitecatalyst. A list of reactions occurring in the alkylation reactor was made and the thermodynamic possibility ofdetermination of these reactions by the change of Gibbs energy was defined. The paper presents the hydrocarbonstransformation scheme, which includes the grouping of components on the basis of their reactivity and the degrees ofcompensation values of the corresponding reactions. Drawing on the obtained data the authors developed the kineticmodel of the alkylation of benzene with ethylene.