生物活性炭投加量对垃圾渗滤液处理效果的影响  

Influence of Biological Activated Carbon Dosage on Landfill Leachate Treatment

作　　者：崔延瑞[1,2] 郭焱[1] 吴青[1] 马罗丹 孙剑辉[1] 崔凤灵[2] 

机构地区：[1]河南师范大学环境学院,黄淮水环境与污染防治教育部重点实验室,河南省环境污染控制重点实验室,新乡453007 [2]河南师范大学化学与化工学院,新乡453007

出　　处：《环境科学》2014年第8期3206-3211,共6页Environmental Science

基　　金：河南省基础与前沿技术研究计划项目(122300410282;102300410098);河南省教育厅科学技术研究重点项目(12B610005);河南师范大学青年科学基金项目(01036400071)

摘　　要：试验对比了不同生物活性炭(biological activated carbon,BAC)投加量对垃圾渗滤液去除COD效果的影响.每升活性污泥中活性炭投加量为0、100、300 g的反应器处理垃圾渗滤液100个周期平均COD去除率分别为12.9%、19.6%、27.7%,表明BAC可以去除部分难降解有机物,并且COD去除率与投加量呈正相关关系.曝气8 h反应器中二氧化碳(CO2)产生量依次为109、193、306 mg,表明生物分解量也与投加量呈正相关关系.分析认为COD去除率与投加量的正相关关系是由于吸附与生物再生的共同作用导致,生物再生是BAC能够生物分解难降解有机物的根本原因.Effects of biological activated carbon（BAC） dosage on COD removal in landfill leachate treatment were compared. The COD removal efficiency of reactors with 0,100 and 300 g activated carbon dosage per litre activated sludge was 12. 9%,19. 6% and27. 7%,respectively. The results indicated that BAC improved the refractory organic matter removal efficiency and there was a positive correlation between COD removal efficiency and BAC dosage. The output of carbon dioxide after 8h of aeration in reactors was 109,193 and 306 mg corresponding to the activated carbon dosages mentioned above,which indicated the amount of biodegradation and BAC dosage also had a positive correlation. The combination of adsorption and bioregeneration of BAC resulted in the positive correlation betweem organic matter removal efficiency and BAC dosage,and bioregeneration was the root cause for the microbial decomposition of refractory organics.

关 键 词：生物活性炭 垃圾渗滤液 二氧化碳产生量 难降解有机物 生物再生 

分 类 号：X703.1[环境科学与工程—环境工程]