COD도 플라스마 산화에 활성탄을 주입하였을 때 가장 많이 처리되었으나 이전 결과와 마찬가지로 페놀에 비해 낮은 처리율을 보였다.
COD was treated the most when activated carbon was injected into the plasma oxidation, but as in the previous results, the treatment rate was lower than that of phenol.