Abstract

A mathematical model describing the rate of carbon disulfide (CS 2) removal due to coupled reactions has been developed. Kinetic studies were carried out in a fixed bed reactor under atmospheric pressure and a range of temperatures (85–125 °C). The effects of flow rate, CS 2 inlet concentration, temperature and relative humidity were analyzed. A kinetic model based on axial dispersion, external and internal mass-transfer resistances, as well as effects of S deposition on the inner-face of the catalyst was in agreement with the CS 2 experimental breakthrough curves. The mathematical model can be used for process design and scale up of similar systems.

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