Purification of highly polluted river water by complex constructed wetland with different substrates

doi:10.11894/1005-829x.2015.35(7).035

INDUSTRIAL WATER TREATMENT ›› 2015, Vol. 35 ›› Issue (7): 35-39. doi: 10.11894/1005-829x.2015.35(7).035

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Purification of highly polluted river water by complex constructed wetland with different substrates

Xiong Jiaqing, Wang Yiwen, Ge Yuan, Zheng Yucong, Du Chen, Wang Xiaochang

Key Laboratory of Northwest Water Resource, Environment and Ecology, Section of Education, School of Enironmental and Municipal Engineering, Xi'an University of Architecture and Technelogy, Xi'an 710055, China

Received:2015-05-15 Online:2015-07-20 Published:2015-07-17

不同基质复合人工湿地对高污染河水的净化

熊家晴, 王怡雯, 葛媛, 郑于聪, 杜晨, 王晓昌

西安建筑科技大学环境与市政工程学院, 西北水资源与环境生态教育部重点实验室, 陕西西安 710055

作者简介:熊家晴(1969—),博士,副教授。电话:15029552077,E-mail:xiongjiaqing@xauat.edu.cn。
基金资助:
国家水体污染控制与治理科技重大专项(2012ZX07308-001-08)

Abstract

Abstract:

Two groups of constructed wetland systems, including surface flow+gravel undercurrent and surface flow+slag undercurrent, have been used for treating highly polluted river water. The purification results of the two systems are compared. The effects of the types of substrates on the two stages of the undercurrent wetlands in the complex systems are investigated and the dephosphorization capacities of the two kinds of substrates are explored. The results of the research show that the removal of SS, COD, BOD₅ are mainly accomplished in the first stage of surface flow constructed wetland, avoiding blocking in the second stage undercurrent wetland. The slag complex wetland is more beneficial to the accomplishment of nitrification and the removal of phosphorus. Slag has better capacities for phosphorus removing rate and load resisting than gravels.

Key words: complex constructed wetlands, highly polluted river water, substrates, phosphorus adsorption

摘要：

采用表流+砾石潜流和表流+炉渣潜流2组复合人工湿地处理高污染河水, 对2组复合人工湿地的净化效果进行了对比研究, 考察了基质类型对复合系统中二级潜流湿地的影响作用, 并探究了2种基质的除磷能力。研究结果表明:两组复合湿地对SS、COD、BOD₅的去除主要在一级表流湿地中完成, 避免了在二级潜流湿地中堵塞;炉渣复合湿地更利于硝化的进行和对磷的去除。炉渣对磷的去除率和抗负荷能力均高于砾石。

关键词: 复合人工湿地, 高污染河水, 基质, 磷吸附

CLC Number:

X522

Xiong Jiaqing, Wang Yiwen, Ge Yuan, Zheng Yucong, Du Chen, Wang Xiaochang. Purification of highly polluted river water by complex constructed wetland with different substrates[J]. INDUSTRIAL WATER TREATMENT, 2015, 35(7): 35-39.

熊家晴, 王怡雯, 葛媛, 郑于聪, 杜晨, 王晓昌. 不同基质复合人工湿地对高污染河水的净化[J]. 工业水处理, 2015, 35(7): 35-39.

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Purification of highly polluted river water by complex constructed wetland with different substrates

不同基质复合人工湿地对高污染河水的净化

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Purification of highly polluted river water by complex constructed wetland with different substrates

不同基质复合人工湿地对高污染河水的净化

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