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Research progress on limitation and improvement of constructed wetlands for wastewater treatment
LIU Chao-xiang1, GAO Chun-fang1,2
1. Institute of Urban Environment, Chinese Academy of Sciences, Xiamen Fujian 361021, China; 2. Graduate University of Chinese Academy of Sciences,Beijing,100049, China
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Abstract  

As a green and low-cost wastewater treatment technology,constructed wetlands are widely applied in many fields in recent years. However,previous research also revealed that some problems occurred frequently during the running process of constructed wetlands.This paper summarized these problems such as clogging,low nitrogen removal efficiency,low pollution load,and temperature dependence. Meanwhile,methods to strengthen treatment efficiency,like intern intensification,technique improvement and instrument assembly,were also reviewed in this paper.Furthermore,the trend of technology development was discussed.

Key wordsconstructed wetlands      improvements      research advances     
Received: 25 June 2011     
:  X703  
  Q14  
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LIU Chao-xiang
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Cite this article:   
LIU Chao-xiang,GAO Chun-fang. Research progress on limitation and improvement of constructed wetlands for wastewater treatment[J]. , 2011, 30(3): 352-358.
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http://www.ecolsci.com/EN/     OR     http://www.ecolsci.com/EN/Y2011/V30/I3/352
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