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引用本文:周卿伟,梁银秀,阎百兴,刘兴土,于翔霏,穆炜崟,张泽清,祝惠.冷季不同植物人工湿地处理生活污水的工程实例分析.湖泊科学,2018,30(1):130-138. DOI:10.18307/2018.0113
ZHOU Qingwei,LIANG Yinxiu,YAN Baixing,LIU Xingtu,YU Xiangfei,MU Weiyin,ZHANG Zeqing,ZHU Hui.The constructed wetlands engineering cases with different plants treating domestic sewage in a subtropical climate at cold seasons. J. Lake Sci.2018,30(1):130-138. DOI:10.18307/2018.0113
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冷季不同植物人工湿地处理生活污水的工程实例分析
周卿伟1,2, 梁银秀1,2, 阎百兴1, 刘兴土1,2, 于翔霏1,2, 穆炜崟3, 张泽清4, 祝惠1
1.中国科学院东北地理与农业生态研究所湿地生态与环境研究中心, 长春 130102;2.中国科学院大学, 北京 100049;3.福建省永春县环境监测站, 泉州 362600;4.福建省永春县环境监察大队, 泉州 362600
摘要:
本实验以亚热带地区福建省永春县农村生活污水作为处理对象,选取10种湿地植物,构建具有不同植物类型的表面流人工湿地的实例工程,比较不同植物配置人工湿地的处理能力,以及湿地植物的生物量和植物体内氮、磷累积能力.研究结果表明,水龙和美人蕉人工湿地具有较高的铵态氮去除能力,去除率可分别达到76.7%和87.7%;两者同时也对总氮表现出较好的去除效果,尤其是美人蕉人工湿地在冬季节对总氮的去除率可维持在80.3%以上;2014年初冬季节实验结果表明,水龙还具有一定的总磷去除能力,去除率可达到69.0%.水龙和美人蕉具有较大的生物量,其单位面积干重可分别达到0.46和0.30 kg/m2,又能较好地积累氮、磷元素,其体内氮含量可分别达到6.43和4.60 g/m2,磷含量可分别达到0.50和1.01 g/m2.综上所述,种植水龙和美人蕉的人工湿地总体处理效果较好,同时又能更多地积累氮、磷元素,且具有更大的生物量,可选为相对适宜用于处理生活污水的适合亚热带地区应用的人工湿地植物.
关键词:  湿地植物  水龙  美人蕉  面源污染  生活污水  亚热带  冬季
DOI:10.18307/2018.0113
分类号:
基金项目:国家重点基础研究发展计划“973”项目(2013CB430401)和泉州市院士专家工作站项目联合资助.
The constructed wetlands engineering cases with different plants treating domestic sewage in a subtropical climate at cold seasons
ZHOU Qingwei1,2, LIANG Yinxiu1,2, YAN Baixing1, LIU Xingtu1,2, YU Xiangfei1,2, MU Weiyin3, ZHANG Zeqing4, ZHU Hui1
1.Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, P. R. China;2.University of Chinese Academy of Sciences, Beijing 100049, P. R. China;3.Yongchun Environmental Monitoring Station, Fujian Province, Quanzhou 362600, P. R. China;4.Yongchun Environmental Supervision Brigade, Fujian Province, Quanzhou 362600, P. R. China
Abstract:
Ten pilot-scale surface flow constructed wetland systems (SFCWs) engineering cases with respective different vegetation species were constructed to treat the rural domestic sewage in subtropical area at cold season (Yongchun City, Fujian Province). The efficiency of SFCWs, the biomass of vegetation, and contents of nitrogen (N) and phosphorous (P) in aboveground biomass were investigated in this current study. In the reduction of ammonia nitrogen (NH4+-N), the SFCWs of Jussiaea repens and Canna indica showed excellent performance, and the NH4+-N removal percentages in SFCWs with both above species were 76.7% and 87.7%, respectively. Additionally, SFCWs with C. indica also showed good performance in the reduction of total nitrogen (TN). Over 80.3% of TN was removed in SFCW engineering case, which planted with C. indica in early and deep winter. The experiment also revealed that those two vegetation species could remove total phosphorus (TP). The TP removal percentage by J. repens reached 69.0% in the experiment conducted in the fall of 2014, and SFCWs with C. indica could also remove TP, although it showed a lower removal percentage than J. repens. J. repens and C. indica could also have high biomass and high nutrients (N, P) contents in their aboveground tissues comparing to the other vegetation species. The dry biomass of J. repens and C. indica were 0.46 and 0.30 kg/m2, respectively. The tissue nitrogen contents of J. repens and C. indica were 6.43 and 4.60 g/m2, respectively. The tissue phosphorus contents of J. repens and C. indica were 0.50 and 1.01 g/m2, respectively. The result of this study indicated that J. repens and C. indica could be selected as potential SFCWs engineering case vegetation species for the treatment of rural domestic sewage in subtropical regions, due to their good performance, high biomass and strong nutrients uptake ability.
Key words:  Wetland vegetation  Jussiaea repens  Canna indica  non-point source pollution  domestic sewage  subtropical  winter
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