2007•System Sciences and Comprehensive Studies in AgricultureRequires access

Study on Nitrogen Removal in Constructed Wetland of Meng Qing Garden

Hao Ding

Abstract

Efficiency of nitrogen removal and biomass related with nitrogen removal were analyzed in constructed wetland of Meng Qing Garden,The results showed that the wetland could remove NH3-N by 35% av,TN by 23% av per year.There are significant correlation between nitrogen removal efficiency and the biomass of nitrifying bacteria in water and the plants.As a landscape wetland for treatment of micro-polluted water,the nitrogen removal efficiency is not as high as previously reported.But the wetland is short of denitrification function and the nitrate cumulates in the wetland.

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Key concepts: Wetland, Biomass (ecology), Nitrogen, Environmental science, Denitrification, Constructed wetland, Nitrifying bacteria, Nitrate