内电解基质铁铜比与水力停留时间对人工湿地处理效果的影响

doi:10.11934/j.issn.1673-4831.2016.05.018

生态与农村环境学报 ›› 2016, Vol. 32 ›› Issue (5): 808-812.doi: 10.11934/j.issn.1673-4831.2016.05.018

内电解基质铁铜比与水力停留时间对人工湿地处理效果的影响

曹晨亮, 张毓媛, 任丽君, 安树青, 冷欣

南京大学生命科学学院/湿地生态研究所, 江苏南京 210023

收稿日期:2015-09-14 出版日期:2016-09-25 发布日期:2016-10-08
通讯作者: 冷欣,E-mail:lengx@nju.edu.cn E-mail:lengx@nju.edu.cn
作者简介:曹晨亮(1991-),男,江苏南通人,硕士生,主要从事湿地生态学研究。E-mail:caochenliang@yeah.net
基金资助:
国家水体污染控制与治理科技重大专项（2012ZX07204-001-004，2015ZX07204-002-04）

Effects of Interior Electrolytic Substrates Fe-Cu Ratio and Hydraulic Retention Time on Pollutant Removal Efficiency of Constructed Wetlands

CAO Chen-liang, ZHANG Yu-yuan, REN Li-jun, AN Shu-qing, LENG Xin

Institute of Wetland Ecology/School of Life Science, Nanjing University, Nanjing 210023, China

Received:2015-09-14 Online:2016-09-25 Published:2016-10-08

摘要/Abstract

摘要：

选择不同铁铜质量比（1∶0、1∶0.05、1∶0.1和1∶0.2）的内电解基质构建表流型人工湿地，同时设定水力停留时间为1、2、3、4和5 h，研究2种影响因子对污水TP、COD_Cr和TN的处理效果。结果表明：不同铁铜比的内电解基质对TP的去除效果存在显著差异，对COD_Cr和TN的去除效果差异不显著。不同水力停留时间的净污效果也存在显著差异，水力停留时间越长，去污效率越高。不同内电解基质铁铜比与水力停留时间的交互作用对去除率影响不显著。

关键词: 内电解基质, 铁铜比, 水力停留时间, 人工湿地

Abstract:

To investigate effects of interior electrolytic substrates Fe-Cu ratio and hydraulic retention time (HRT) on pollutant removal efficiencies of constructed wetlands, an experiment was carried out using surface flow constructed wetland beds different in interior electrolytic substrates Fe-Cu mass ratios (1∶0, 1∶0.05, 1∶0.1 and 1∶0.2) and in hydraulic retention time (1, 2, 3, 4 and 5 h). Data of the experiment were analyzed using two-way analysis of variance (ANOVA) with Fe-Cu interior electrolytic and HRT as two factors. Results show that TP removal efficiency of the bed varied sharply with Fe-Cu ratio, but COD_Cr and TN removal efficiencies did not. Pollutant removal efficiencies varied with hydraulic retention time, too, and the longer the HRT, the higher the pollutant removal efficiency. However, no significant effect of interactions between Fe-Cu interior electrolytic and hydraulic retention time was observed.

Key words: interior electrolytic substrates, Fe-Cu ratio, hydraulic retention time, constructed wetland

中图分类号:

X703.1

曹晨亮, 张毓媛, 任丽君, 安树青, 冷欣. 内电解基质铁铜比与水力停留时间对人工湿地处理效果的影响[J]. 生态与农村环境学报, 2016, 32(5): 808-812.

CAO Chen-liang, ZHANG Yu-yuan, REN Li-jun, AN Shu-qing, LENG Xin. Effects of Interior Electrolytic Substrates Fe-Cu Ratio and Hydraulic Retention Time on Pollutant Removal Efficiency of Constructed Wetlands[J]. Journal of Ecology and Rural Environment, 2016, 32(5): 808-812.

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内电解基质铁铜比与水力停留时间对人工湿地处理效果的影响

Effects of Interior Electrolytic Substrates Fe-Cu Ratio and Hydraulic Retention Time on Pollutant Removal Efficiency of Constructed Wetlands

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