Abstract

Dielectric barrier discharges (DBDs) generated in screw and pyramid type coaxial reactors with and without cooling and at different power supply and gas flow conditions, as a source of chemically active environment for soil processing are studied in this paper. The results show that in the proposed reactor both generation efficiency of DBDs products (O₃ and NO) and their concentrations can be controlled by the reactor geometry, voltage and frequency of power supply, gas flow rate and cooling conditions.