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Chemistry for Sustainable Development

2014 year, number 6

Effect of the Technological Parameters of Alkylation Reactor on the Concentration of n–Propylbenzene in Product Mixture

A. A. CHUDINOVA1,2, A. E. NURMAKANOVA2, A. A. SALISHCHEVA2, E. N. IVASHKINA2 and A. A. GAVRIKOV2
1Omskiy Kauchuk JSC, Prospekt Gubkina 30, Omsk 644035 (Russia)
2National Research Tomsk Polytechnical University, Prospekt Lenina 30, Tomsk 634050 (Russia)
Keywords: alkylation, npropylbenzene, mathematical model, benzene, propylene

Abstract

The problem of the high concentration of n–propylbenzene as undesirable component of the product mixture formed during liquid-phase alkylation of benzene with propylene ios investigated. Monitoring of alkylation set-up (Omskiy Kauchuk JSC) was carried out; technological parameters affecting the concentration of npropylbenzene were revealed. A mathematical model of alkylation was worked out. A computer-based modeling system Alkylation involving this model was developed in Borland Delphi 7; it allows calculating the composition of product flows under variations of the most importnat technolgoical parameters of reactor operation (temperature, molar ratio of benzene to propylene, volume rate of raw material input).