Abstract
Mass transfer in the bath reactor of the adsorption process of 1,2-dichloropropane from aqueous solution onto the activated carbon A pseudo-second order rate equation describing the kinetics of the adsorption of 1,2-dichloropropane from aqueous solution onto the activated carbon at different initial concentrations, adsorbent dose, temperature, particle diameter and the rate of stirring have been developed. The rate constant was calculated. The rate constant correlation in a good mixing conditions was described as a function of the temperature.
Highlights
Wastewaters containing 1,2-dichloropropane (DCP) are discharged in a large amount from the production plant of propylene oxide
The adsorption processes are usually carried out on an industrial scale in the columns packed with adsorbents or bath reactors
The equilibrium and the major kinetic parameters relating to the mass transfer can be determined on the basis of these studies[4]
Summary
Wastewaters containing 1,2-dichloropropane (DCP) are discharged in a large amount from the production plant of propylene oxide. The equilibrium and the major kinetic parameters relating to the mass transfer can be determined on the basis of these studies[4]. The rate of the adsorption process is determined by the diffusion or convection in the solution, the diffusion across the boundary layer surrounding the particle, the intraparticle diffusion and the diffusion in the pores volume. In order to examine the mechanism of the adsorption process such as mass transfer and chemical reaction, several kinetic models are used to test the experimental data. Adsorption method The sorption of DCP onto the activated carbon was studied by the bath experiments. The examined factors were: the initial DCP concentration, the activated carbon dose, the particle diameter, the mixing rate and the temperature. The properties of the DTO activated carbon are presented in Table 1. 1,2-dichloropropane (>99%) used in these studies was taken from Fluka, A.G
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