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UASB1-A/O-UASB2深度处理垃圾渗滤液

吴莉娜 史 枭 张 杰 杨天学 彭永臻

吴莉娜, 史 枭, 张 杰, 杨天学, 彭永臻. UASB1-A/O-UASB2深度处理垃圾渗滤液[J]. 环境科学研究, 2015, 28(8): 1331-1336.
引用本文: 吴莉娜, 史 枭, 张 杰, 杨天学, 彭永臻. UASB1-A/O-UASB2深度处理垃圾渗滤液[J]. 环境科学研究, 2015, 28(8): 1331-1336.
WU Lina, SHI Xiao, ZHANG Jie, YANG Tianxue, PENG Yongzhen. Advanced Treatment of Landfill Leachate Using the UASB1-A/O-UASB2[J]. Research of Environmental Sciences, 2015, 28(8): 1331-1336.
Citation: WU Lina, SHI Xiao, ZHANG Jie, YANG Tianxue, PENG Yongzhen. Advanced Treatment of Landfill Leachate Using the UASB1-A/O-UASB2[J]. Research of Environmental Sciences, 2015, 28(8): 1331-1336.

UASB1-A/O-UASB2深度处理垃圾渗滤液

基金项目: 国家自然科学基金项目(51208040);中国博士后科学基金面上项目(2013M541382);北京石油化工学院北京市级大学生创新创业训练计划项目

Advanced Treatment of Landfill Leachate Using the UASB1-A/O-UASB2

  • 摘要: 针对传统垃圾渗滤液生物处理TN去除率低、投加碳源成本高的问题,采用UASB1-A/O-UASB2(单级上流式厌氧污泥床+缺氧/好氧+后置上流式厌氧污泥床)工艺处理实际垃圾渗滤液,实现NH4+-N和TN的同步深度脱除,并且定量解析了A/O反应器实现并维持稳定短程硝化的影响因素. 结果表明:以V(垃圾渗滤液)∶V(生活污水)为1∶5的混合液作为进水,其ρ(CODCr)、ρ(TN)和ρ(NH4+-N)分别为1 700~1 800、660~700和650~680 mg/L,最终出水CODCr、TN和NH4+-N去除率均在95%以上,出水ρ(TN)为38 mg/L,满足GB 16889—2008《生活垃圾填埋场污染控制标准》的排放要求. 在好氧反应器中,FA(游离氨)与FNA(游离亚硝酸)对NOB(硝化细菌)的联合抑制作用是实现NO2--N积累率稳定在80%以上的主要原因,而产生的NO2--N和NO3--N可在UASB2中以难降解的有机物为碳源,通过反硝化途径被去除. 研究显示,组合系统可实现对TN的深度去除.

     

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  • 刊出日期:  2015-08-25

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