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杨威, 王里奥, 陈大勇, 陆磊, 陈志鹏. EM生物膜强化处理垃圾渗滤液[J]. 环境工程学报, 2013, 7(1): 149-153.
引用本文: 杨威, 王里奥, 陈大勇, 陆磊, 陈志鹏. EM生物膜强化处理垃圾渗滤液[J]. 环境工程学报, 2013, 7(1): 149-153.
shu
Yang Wei, Wang Liao, Chen Dayong, Lu Lei, Chen Zhipeng. Enhanced treatment of landfill leachate by EM biofilm[J]. Chinese Journal of Environmental Engineering, 2013, 7(1): 149-153.
Citation: Yang Wei, Wang Liao, Chen Dayong, Lu Lei, Chen Zhipeng. Enhanced treatment of landfill leachate by EM biofilm[J]. Chinese Journal of Environmental Engineering, 2013, 7(1): 149-153.
shu

EM生物膜强化处理垃圾渗滤液

  • 1.

    重庆大学西南资源开发及环境灾害控制工程教育部重点实验室,重庆 400044

  • 2.

    重庆水务集团,重庆 400004

  • 基金项目:

    国家"水体污染控制与治理"科技重大专项(2009ZX07315-002)

  • 中图分类号: X703

Enhanced treatment of landfill leachate by EM biofilm

  • 1.

    Key Laboratory of China Southwest Resource Exploitation and Environmental Disaster Control Engineering, Ministry of Education, Chongqing University, Chongqing 400044, China

  • 2.

    Chongqing Water Group Company Limited, Chongqing 400004, China

  • Fund Project:

  • 摘要: 将有效微生物菌剂(EM)接种于生物接触氧化反应器形成强化生物膜,并通过EM对废水中营养物的摄取情况分析EM的生长繁殖状况,分生物膜启动和运行2个阶段对EM生物膜的处理效果及运行机理进行了研究。结果表明,EM生物膜启动时间短,接种后第3天有淡黄色粘膜出现,反应进行至12 d填料上已经形成较为完善的生物膜;EM生物膜在启动阶段对渗滤液废水有较好的处理效果,废水的恶臭问题得到显著改善,色度也明显降低;启动阶段EM的培养特征与单种细菌的分批培养特征类似,依次出现缓速期、对数期和静止期;EM生物膜运行阶段状况稳定,至最佳水力停留时间48 h,典型污染物指标COD、NH3-N的去除率分别达到71.25%和86.16%,能有效地处理垃圾渗滤液。
    Abstract: Landfill leachate was treated by bioaugmentation in an inoculated effective microorganisms(EM)-attached biological contact oxidation reactor. To study the working mechanism of EM biofilm, the uptake of nutrients by microorganisms was analyzed to identify the conditions of microorganisms’ growth and reproduction from the start-up phase to the operation phase. The results show that EM biofilm has a short start-up phase. Primrose mucosa was observed in the reactor after 3 days and the start-up phase duration was condensed to 12 days. EM-attached biological reactor has a good treatment efficiency to landfill leachate during start-up phase, the colority and odor indexes of leachate are mitigated apparently after the formation of a stable biofilm. The cultural characteristics of EM bacteria during start-up phase is consistent with those of the batch cultivation of single species bacteria during the start-up phase, including lag phase, log phase, and stationary phase. The treatment efficiency of EM biofilm during operation phase is stable and much higher than that during start-up phase. EM biofilm can treat the landfill leachate effectively, and the removal efficiencies of COD and NH3-N within 48 hours are as high as 71.25% and 86.16%, respectively.
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出版历程
  • 收稿日期:  2011-08-11
  • 刊出日期:  2013-01-16
杨威, 王里奥, 陈大勇, 陆磊, 陈志鹏. EM生物膜强化处理垃圾渗滤液[J]. 环境工程学报, 2013, 7(1): 149-153.
引用本文: 杨威, 王里奥, 陈大勇, 陆磊, 陈志鹏. EM生物膜强化处理垃圾渗滤液[J]. 环境工程学报, 2013, 7(1): 149-153.
shu
Yang Wei, Wang Liao, Chen Dayong, Lu Lei, Chen Zhipeng. Enhanced treatment of landfill leachate by EM biofilm[J]. Chinese Journal of Environmental Engineering, 2013, 7(1): 149-153.
Citation: Yang Wei, Wang Liao, Chen Dayong, Lu Lei, Chen Zhipeng. Enhanced treatment of landfill leachate by EM biofilm[J]. Chinese Journal of Environmental Engineering, 2013, 7(1): 149-153.
shu

EM生物膜强化处理垃圾渗滤液

  • 1. 重庆大学西南资源开发及环境灾害控制工程教育部重点实验室,重庆 400044
  • 2. 重庆水务集团,重庆 400004
  • 收稿日期:  2011-08-11
基金项目:

国家"水体污染控制与治理"科技重大专项(2009ZX07315-002)

摘要: 将有效微生物菌剂(EM)接种于生物接触氧化反应器形成强化生物膜,并通过EM对废水中营养物的摄取情况分析EM的生长繁殖状况,分生物膜启动和运行2个阶段对EM生物膜的处理效果及运行机理进行了研究。结果表明,EM生物膜启动时间短,接种后第3天有淡黄色粘膜出现,反应进行至12 d填料上已经形成较为完善的生物膜;EM生物膜在启动阶段对渗滤液废水有较好的处理效果,废水的恶臭问题得到显著改善,色度也明显降低;启动阶段EM的培养特征与单种细菌的分批培养特征类似,依次出现缓速期、对数期和静止期;EM生物膜运行阶段状况稳定,至最佳水力停留时间48 h,典型污染物指标COD、NH3-N的去除率分别达到71.25%和86.16%,能有效地处理垃圾渗滤液。

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