The electrode configuration of wire-plate pulse corona reactor is a critical factor that influences characteristic and DeSO_2 efficiency. In this paper the electric field distributions in the reactor under different electrode configuration have been calculated by numerical modeling. And we combine the modeling results with the conditions of electric field required for streamer corona inception, development and propagation to optimize electrode configuration. The simulation results show that the optimization wire-to-wire spacing is 0.6-1 times the size of the wire-to-plate spacing. The comparison with experimental results shows a good qualitative agreement.
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