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Recent Advances of the technology for polluted river treatment
ZHANG Jie-xin1, WU Chun-de1, CHEN Wei-ping2, CHEN Li-jun1, HE Ming-he1
1. College of Paper and Environmental Engineering, South China University of Technology, Guangzhou 510640; 2. College of Mechanical Engineering, South China University of Technology, Guangzhou 510640, China
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Abstract  

This paper reviewed the physical, chemical and biological methods applied to polluted river treatment. Physical methods include water transfer, sediment dredging and disposal. However, these are only the temporary solutions. Chemical methods, such as coagulating sedimentation, can cause secondary pollution. Ecological-biological methods can have better ecological effect due to the biological purification process. These methods include aeration, biological membrane and bioremediation, etc. Furthermore, other new techniques were also introduced, such as suspended filler moving bed, eco-purification system with aeration and land treatment, etc. It is indicated that the characteristic of combined techniques are multifunctional and high efficient.

Key wordsRiver      Pollution      Status quo     
Received: 25 April 2005     
:  TV82  
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ZHANG Jie-xin
WU Chun-de
CHEN Wei-ping
CHEN Li-jun
HE Ming-he
Cite this article:   
ZHANG Jie-xin,WU Chun-de,CHEN Wei-ping, et al. Recent Advances of the technology for polluted river treatment[J]. , 2005, 24(2): 178-181.
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http://www.ecolsci.com/EN/     OR     http://www.ecolsci.com/EN/Y2005/V24/I2/178
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