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进水方式对序批式人工湿地处理效能的影响

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周健, 陈飞, 张乐, 杨志, 刘轶. 进水方式对序批式人工湿地处理效能的影响[J]. 环境工程学报, 2012, 6(11): 3873-3876.
引用本文: 周健, 陈飞, 张乐, 杨志, 刘轶. 进水方式对序批式人工湿地处理效能的影响[J]. 环境工程学报, 2012, 6(11): 3873-3876.
shu
Zhou Jian, Chen Fei, Zhang Le, Yang Zhi, Liu Yi. Influence of flow modes on wastewater treatment of sequencing batch constructed wetlands[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 3873-3876.
Citation: Zhou Jian, Chen Fei, Zhang Le, Yang Zhi, Liu Yi. Influence of flow modes on wastewater treatment of sequencing batch constructed wetlands[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 3873-3876.
shu

进水方式对序批式人工湿地处理效能的影响

  • 1.

    重庆大学三峡库区生态环境教育部重点实验室,重庆 400045

  • 基金项目:

    国家"水体污染控制与治理"科技重大专项(2009ZX07315-005)

  • 中图分类号: X703

Influence of flow modes on wastewater treatment of sequencing batch constructed wetlands

  • 1.

    Key Laboratory of Three Gorges Reservoir Region’s Eco-Environment,Ministry of Education, Chongqing University, Chongqing 400045, China

  • Fund Project:

  • 摘要: 序批式人工湿地具有较高的脱氮效能,研究考察了序批式人工湿地间歇和连续2种进水方式对其处理效能的影响。研究表明,进水方式对TN去除效能影响显著,对COD、NH4+-N去除影响不显著。在水温18~25℃,负荷38 g COD/(m2·d)条件下,采用"进水10 min-反应12 h-排水10 min-排空闲置4 h"的间歇进水方式时,可使进水COD、NH4+-N和TN分别为306、65和73 mg/L的生活污水,出水分别为45、7和19 mg/L,去除率分别为85％、89％和74％,与"进水反应12 h-排水10 min-排空闲置4 h"的连续进水方式相比,COD和TN的去除率分别提高4%和32%。
    Abstract: The sequencing batch constructed wetlands(SBCW) exhibit high potency on nitrogen removal. We investigated the influence of batch-flow and continue-flow modes on the wastewater treatment efficiency of SBCW. The flow modes have a significant effect on the total nitrogen(TN) removal, but similar results are not observed in those of COD and NH4+-N. The COD,NH4+-N and TN are reduced from 306 mg/L,65 mg/L and 73 mg/L to 45 mg/L,7 mg/L and 19 mg/L, respectively at 18~25℃ and the organic load of 38 g COD/(m2·d),under the sequencing-flow mode(inlet:20 min- reaction:12 h- drainage:10 min-empting idle:4 h). The sequencing-flow mode obtains 4% and 32% removal improvement for COD and TN respectively compared with the continue-flow mode(inlet & reaction:12 h-drainage:10 min-empting idle:4 h).
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出版历程
  • 收稿日期:  2010-12-27
  • 刊出日期:  2012-11-09
周健, 陈飞, 张乐, 杨志, 刘轶. 进水方式对序批式人工湿地处理效能的影响[J]. 环境工程学报, 2012, 6(11): 3873-3876.
引用本文: 周健, 陈飞, 张乐, 杨志, 刘轶. 进水方式对序批式人工湿地处理效能的影响[J]. 环境工程学报, 2012, 6(11): 3873-3876.
shu
Zhou Jian, Chen Fei, Zhang Le, Yang Zhi, Liu Yi. Influence of flow modes on wastewater treatment of sequencing batch constructed wetlands[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 3873-3876.
Citation: Zhou Jian, Chen Fei, Zhang Le, Yang Zhi, Liu Yi. Influence of flow modes on wastewater treatment of sequencing batch constructed wetlands[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 3873-3876.
shu

进水方式对序批式人工湿地处理效能的影响

  • 1. 重庆大学三峡库区生态环境教育部重点实验室,重庆 400045
  • 收稿日期:  2010-12-27
基金项目:

国家"水体污染控制与治理"科技重大专项(2009ZX07315-005)

摘要: 序批式人工湿地具有较高的脱氮效能,研究考察了序批式人工湿地间歇和连续2种进水方式对其处理效能的影响。研究表明,进水方式对TN去除效能影响显著,对COD、NH4+-N去除影响不显著。在水温18~25℃,负荷38 g COD/(m2·d)条件下,采用"进水10 min-反应12 h-排水10 min-排空闲置4 h"的间歇进水方式时,可使进水COD、NH4+-N和TN分别为306、65和73 mg/L的生活污水,出水分别为45、7和19 mg/L,去除率分别为85％、89％和74％,与"进水反应12 h-排水10 min-排空闲置4 h"的连续进水方式相比,COD和TN的去除率分别提高4%和32%。

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