微波和微波Fenton组合法处理渗滤液的对比

Comparison Experiment of Landfill Leachate by Using Microwave and Microwave-Fenton Reagent

利用高级氧化技术能将废水中的有机物氧化分解为小分子的碳氢化合物或将有机物完全矿化为CO2和H2O。利用微波辐射和Fenton法组合处理垃圾渗滤液,以探索微波Fenton法连续流处理垃圾渗滤液的可行性。实验对比研究了微波辐射、微波辐射与Fenton组合方法处理垃圾渗滤液的可行性。实验研究表明,垃圾渗滤液在微波功率为600 W,作用时间为4 min下的COD去除率可达到20%。而经过微波辐射处理后的垃圾渗滤液,再加入Fenton试剂,在FeSO4的浓度为15 mmol/L,H2O2的浓度为60 mmol/L,pH为5,反应时间为30 min的条件下,COD去除率可达到72%。

Advanced oxidation process can oxdatively decompose the organic compounds of liquid waste into molecular hydrocarbon or completely mineralize the organic compounds into CO2 and H2O. In order to explore the feasibility of microwave Fenton technology in continuously disposing the landfill leachate, it should utilize the combination of microwave radiation with Fenton to dispose the landfill leachate. The experiment has already comparatively examined the feasibility of disposing the landfill leachate by the microwave radiation method and the combination of microwave radiation with Fenton technology. The experiment indicates that the COD removal rate of landfill leachate could achieve 20 % under the precondition that the power of microwave is 600 W plus 4 minutes process, Furthermore, the COD removal rate could obtain 72 % if the following conditions are satisfied： add the Fenton reagent into the microwave radiated landfill leachate; the concentration of FeSO4 and H2O2 are 15 mmol/L and 60 mmol/L respectively; PH is 5; the action time is 30 minutes.