STUDY ON TREATMENT OF RIVER WATER BY IMPROVED SUBSURFACE
FLOW-VERTICAL FLOW WETLAND

Xiang Heng; Han Yun; Pan Ruiling; Yuan Teng; Liu Lin; Liu Chaoxiang

doi:10.13205/j.hjgc.201503012

Volume 33 Issue 3

Jun. 2015

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2015 > 33(3): 60-64

Wang Yadong, Wang Shaopo, Zheng Shasha, Zhang Yan, Sun Liping, Du Jinshan. POLY-P ACCUMULATING MICROORGANISMS AND IDENTIFYING METHODS FORBIOLOGICAL PHOSPHORUS REMOVAL SYSTEM[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(2): 21-26. doi: 10.13205/j.hjgc.201502005

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Xiang Heng, Han Yun, Pan Ruiling, Yuan Teng, Liu Lin, Liu Chaoxiang. STUDY ON TREATMENT OF RIVER WATER BY IMPROVED SUBSURFACE FLOW-VERTICAL FLOW WETLAND[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(3): 60-64. doi: 10.13205/j.hjgc.201503012

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STUDY ON TREATMENT OF RIVER WATER BY IMPROVED SUBSURFACE FLOW-VERTICAL FLOW WETLAND

doi: 10.13205/j.hjgc.201503012

Publish Date: 2015-03-22

Abstract

Abstract

The improved artificial wetland was selected to treat river water，for its C/N deficiency and low P concentration． The improved wetland contains subsurface flow and vertical flow segments． The subsurface flow segment is filled with zeolites and rotten wood，which play the role of external carbon source． The vertical flow segment is filled with cement bricks，and planted with canna on it． The result showed that the improved wetland had high efficiency on nitrogen and phosphorus removal． Nitrogen was mainly removed during the subsurface flow segment，the removal rate of ammonia and total nitrogen could exceed 90%，and the external carbon source did not affect the quality of water． While phosphorus was removed mainly in vertical flow segment． Cements bricks had better performance on the low concentration P removal，but they need to be changed frequently，with a short lifetime． Canna had little effect on nitrogen removal of wetland．
- constructed wetland,
- carbon source,
- cement bricks

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