黄铁矿强化人工湿地反硝化处理含氮废水的研究

乔雯雯,王宇晖,宋新山

Enhancement of denitrification by pyrite in constructed wetland for the treatment of nitrogen containing wastewater

Wenwen Qiao,Yuhui Wang,Xinshan Song

表4 氮形态的沿程变化

深度/cm 取样口 湿地 质量浓度/（mg·L-1） 去除率/% DO NO3--N TN NO2--N NH4+-N COD NO3--N TN COD 0 进水口 CW0 10.39 49.37 50.77 309.69 10 ① CW0 3.29 9.52 15.27 4.32 1.43 165.32 80.7 69.9 46.6 30 ② CW0 2.01 8.97 16.00 5.37 1.66 107.2 81.8 68.5 65.4 50 ③ CW0 2.05 5.63 10.30 2.27 2.40 61.51 88.6 79.7 80.1 70 ④ CW0 1.82 3.78 7.27 1.59 1.90 69.77 92.3 85.7 77.5 0 进水口 PCW 10.39 49.37 50.77 309.69 10 ⑤ PCW 3.45 8.78 13.56 3.36 1.42 85.03 82.2 73.3 72.5 30 ⑥ PCW 1.77 2.12 4.88 1.28 1.48 65.99 95.7 90.4 78.7 50 ⑦ PCW 1.87 1.01 3.73 1.17 1.55 58.92 98.0 92.7 81.0 70 ⑧ PCW 1.77 0.27 2.29 0.37 1.65 58.15 99.5 95.5 81.2