Exhaustive catalytic hydrodechlorination

To develop technology for the utilization of waste from vinyl chloride production by the method of catalytic hydrodechlorination, the main aspects of kinetics are studied, which makes it possible to describe the process of exhaustive catalytic hydrodechlorination on a Pd/γ-Al 2 O 3 catalyst. Conditions are determined that provide stable work of the catalyst and the complete extraction of chlorine from waste: excess hydrogen of ∼270°C and a contact time of 10–15 s. The process does not require high pressure. The rate of chlorinated hydrocarbon consumption in the process of hydrodechlorination of the main components of waste (1,2-dichloroethane, 1,1,2-trichloroethane, and tetrachloroethylene) is measured at 200–270°C. Mathematical equations for simulations of the hydrodechlorination reactor unit are obtained. The results can be used to develop an experimental pilot plant.