The characteristics of water quality had significant effects on the oxidative degradation of O_3/H_2O_2 system.In this study,iron supported on activated carbon catalyst was prepared firstly,and then the treatment of l...The characteristics of water quality had significant effects on the oxidative degradation of O_3/H_2O_2 system.In this study,iron supported on activated carbon catalyst was prepared firstly,and then the treatment of landfill leachate by O_3/H_2O_2/catalyst system was analyzed,especially the roles of H_2O_2 in the oxidation of landfill leachate by O_3/H_2O_2 system.The results showed that at room temperature,when the dosage of the catalyst was 1.0g,the removal rate of COD from the landfill leachate reached 79.8% after 50 ml of the landfill leachate(pH=3)was oxidized by O_3(its flow rate was 5g/h)for 50 min.If 0.3ml of H_2O_2 was added to the landfill leachate,the removal rate of COD increased from 79.8%to 88.7%.It showed that the landfill leachate with the characteristics of complex composition and difficult biodegradation could be effectively degraded by the O_3/H_2O_2 system.展开更多
基金Supported by the Natural Science Foundation of Ningbo City,Zhejiang Province(2013A610188)the Self-designed Subject of "Modern Microorganism Technology and Application",the Priority Discipline of Zhejiang Province,China(ZS2013011)
文摘The characteristics of water quality had significant effects on the oxidative degradation of O_3/H_2O_2 system.In this study,iron supported on activated carbon catalyst was prepared firstly,and then the treatment of landfill leachate by O_3/H_2O_2/catalyst system was analyzed,especially the roles of H_2O_2 in the oxidation of landfill leachate by O_3/H_2O_2 system.The results showed that at room temperature,when the dosage of the catalyst was 1.0g,the removal rate of COD from the landfill leachate reached 79.8% after 50 ml of the landfill leachate(pH=3)was oxidized by O_3(its flow rate was 5g/h)for 50 min.If 0.3ml of H_2O_2 was added to the landfill leachate,the removal rate of COD increased from 79.8%to 88.7%.It showed that the landfill leachate with the characteristics of complex composition and difficult biodegradation could be effectively degraded by the O_3/H_2O_2 system.
