Under the condition of H2O2 concentration of 8mg/L and irradiation of 30W low pressure mercury vapor discharge lamp,the photodegradation rate constant of 2,4-DCP in distilled water and tap water was 0.0232min-1 and 0.0162min-1 respectively.

• 在H2O2投加量为8mg/L；1个30W低压汞灯照射下；2；4-DCP在蒸馏水和自来水中光降解速率常数分别为0.；0232/min和0