潜流人工湿地修复河道水质研究(英文).pdfVIP

Agricultural Science Technology ,2009 , 10 (2) :149 - 153 Cop yright 2009 ,Information Institut e of HAAS. All right s re served . Re source s and Environment P e rf o r m a n c e of S u b s u rf a c e C o n s t r u c t e d W e t l a n d i n Ri v e r R e h a b ili t a t i o n 1 2 3 WAN G Wa nbi n , DUAN Li a n g , TIAN Ziqi a n g 1. Pingdingshan Comprehensive Utilization and Environment al Prot ection Institut e , Pingdingshan 467000 ; 2 . St at e Key Laboratory of Pollution Control and Re source Reuse , Tongji Univer sity , Shanghai 200092 ; 3 . River and Co a st al Environment Re search Cent er , Chine se Re search Academy of Environ ment al Science s , Beijing 1000 12 Ab s t r a ct 　[ Objective] This study was to research the treatment effect of different media in undercurrent wetland on contamination , so as to provide reference for rehabitating water body of river along small towns. [ Method] Three different media of gravel , cobblestone and shale were used to rehabilitate water quality of contaminated river . [ Result] Gravel , cobblestone and shale all p erformed well in removing TN , TP and COD in contaminated water , of which gravel stuffed un Mn dercurrent wetland run best , averagely removing 49 . 4 % TN , 34 . 7 % and 48. 5 % COD , respectively. [ Conclusion] Undercurrent constructed wetland can ef Mn fectively improve the water quality of contaminated rive