pH 변화에 따른 용출특성 역시 초기 30분 이내에서 가장 높은 비용출율을 보였으나 오염물질별 발생pH 범위가 달랐다.
The characteristics of elution due to pH change also showed the highest non-elution rate within the initial 30 minutes, but the range of pH generated by each pollutant was different.