PERFORMANCE OF WATER-PURIFYING CONSTRUCTED WETLAND FOR THE QIANGWEI LAKE WATER QUALITY IMPROVING

WU Bao-qiang; JU Ze-wen; YIN Fei; JIANG Chun-xiang; XIE Li

doi:10.13205/j.hjgc.202105004

Volume 39 Issue 5

Jan. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(5): 25-30

WU Bao-qiang, JU Ze-wen, YIN Fei, JIANG Chun-xiang, XIE Li. PERFORMANCE OF WATER-PURIFYING CONSTRUCTED WETLAND FOR THE QIANGWEI LAKE WATER QUALITY IMPROVING[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(5): 25-30. doi: 10.13205/j.hjgc.202105004

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WU Bao-qiang, JU Ze-wen, YIN Fei, JIANG Chun-xiang, XIE Li. PERFORMANCE OF WATER-PURIFYING CONSTRUCTED WETLAND FOR THE QIANGWEI LAKE WATER QUALITY IMPROVING[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(5): 25-30. doi: 10.13205/j.hjgc.202105004

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PERFORMANCE OF WATER-PURIFYING CONSTRUCTED WETLAND FOR THE QIANGWEI LAKE WATER QUALITY IMPROVING

doi: 10.13205/j.hjgc.202105004

1. College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China;
2. Shanghai Investigation, Design and Research Institute Co., Ltd, Shanghai 200335, China;
3. Tongyu River North-extended Water Supply Project Management Division of Lianyungang, Lianyungang 222000, China

Received Date: 2020-05-19
Available Online: 2022-01-17

Abstract

Abstract

The water-purifying constructed wetland for the Qiangwei Lake protection was monitored, and the water quality data from March 2017 to October 2018 was analyzed and discussed. The results showed that the overall performance of the wetland was in good condition, and the effluent of COD_Mn, NH₃-N, TN, and TP was stable and met the class Ⅲ in Environment Quality Standard for Surface Water (GB 3838-2002), which realized the effective protection of drinking water sources. The average total nitrogen removal efficiency was more than 60% during the operation period, from spring to winter. Even the change of temperature did not influence the nitrogen removal. The synergistic effect of plant/animal and microorganism in the Qiangwei Lake constructed wetland made the TN removal rate reach the standard stably.
- constructed wetland,
- centralized drinking water source,
- pollutant reduction,
- denitrification

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References(24)

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