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Removal of Chemical Nitrogen and Phosphorus of Micro-Polluted Water with Modified Zeolite Subsurface Wetland
Corresponding Author(s) : Hao Wang
Asian Journal of Chemistry,
Vol. 25 No. 15 (2013): Vol 25 Issue 15
Abstract
As the main matrix of subsurface wetland, the modified zeolite was applied to the treatment of micro-polluted water. The wetlands' removal effect on the main pollutant in micro-polluted water was measured when the intermittent influent was adopted and the hydraulic loading was controlled to 0.278 m3/(m2 d) and 0.139 m3/(m2 d) and 0.093 m3/(m2 d). The results showed that the modified zeolite's removal rate on ammonia nitrogen, total nitrogen and total phosphorus were 86.7, 91.4 and 86.9 %, respectively, which showed that the best operating hydraulic loading was 0.093 m3/(m2 d). Furthermore, the subsurface wetland manifested increased removal effect on the pollutant with the decrease of hydraulic load.
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- Anamika, Asian J. Chem., 20, 4659 (2008).
- N. Mehrdadi,A. Rahmani,A.A. Azimi and A. Torabian, Asian J. Chem., 21, 5245 (2009).
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References
Anamika, Asian J. Chem., 20, 4659 (2008).
N. Mehrdadi,A. Rahmani,A.A. Azimi and A. Torabian, Asian J. Chem., 21, 5245 (2009).
H. Wang and L. Zhang, Asian J. Chem., 24, 5299 (2012).
C.C. Tanner, J.P.S Sukias and P.U. Martin, Water Res., 32, 3046 (2007).
N. Korboulewsky, R.Y. Wang and V. Baldy, Bioresour. Technol., 105, 9 (2012).
G.D. Ji, T.H. Sun, Q.X. Zhou, X. Sui, S.J. Chang and P.J. Li, Ecol. Eng., 18, 459 (2002).
Y.F. Lin, S.R. Jing, D.Y. Lee and T.W. Wang, Aquaculture, 209, 169 (2002).
H. Wang, X.W. He, T.Q. Liu and C.H. Zhang, Fresen. Environ. Bull., 20, 2890 (2011).
F. Rivera, A. Warren and C.R. Curds, Water Sci. Technol., 35, 271 (1997).
C.J. Richardson and S.S. Qian, Environ. Sci. Technol., 33, 1545 (1999).
C.C Tanner, J.P.S. Sukias and M.P. Upsdell, Water Res., 32, 3046 (2007).