XU Qing-lan,KONG Ling-wei,SHEN Zhe-ping,et al.Demonstration of Ecological Restoration Project for Micro-polluted Landscape Waters in Zhejiang Provincial Archives Bureau[J].China Water & Wastewater,2021,37(16):108-113.
浙江省档案局微污染景观水体生态修复工程实例
- Title:
- Demonstration of Ecological Restoration Project for Micro-polluted Landscape Waters in Zhejiang Provincial Archives Bureau
- Keywords:
- micro-polluted landscape waters; ecological restoration; progressive sunken bed transplanting method; submerged plants; constructed wetlands
- 摘要:
- 针对浙江省档案局内典型城市微污染景观水体,构建了以沉水植物+生物操纵为核心、入湖植物削减带+曝气造流辅助工艺为主的示范工程。该工程经过1年的设计、建设、运行,实际监测数据表明,出水CODMn、NH4+-N均优于《地表水环境质量标准》(GB 3838—2002)Ⅰ类标准,对CODMn和NH4+-N去除率分别为88.61%和95.45%;TN达到了准Ⅰ类标准;景观水体透明度>1 m。冬季水体TP浓度有所升高,有待进一步监测和进行机理分析。
- Abstract:
- A demonstration project was constructed with submerged plants and biological control as the core, as well as lake-entry plant reduction zone and aeration flow generation as the auxiliary technology for typical urban micro-polluted landscape waters in Zhejiang Provincial Archives Bureau. After one year of design, implementation and operation, the monitoring data show that the effluent CODMn and NH4+-N are better than those of level Ⅰ in Environmental Quality Standards for Surface Water (GB 3838-2002). The removal rates of CODMn and NH4+-N are 88.61% and 95.45% respectively. The TN reaches to the quasi-Ⅰ level and the landscape waters transparency is greater than 1 m. The concentration of TP increased in winter, which needs further monitoring and mechanism analysis.
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