饮用水厂排泥水及污泥中全氟化合物分布特征

孙敏,鲍俊信,徐蓓,周浩

Distribution characteristics of perfluorinated compounds in sludge wastewater and sludge from drinking water treamtment plant

Min SUN,Jun-xin BAO,Bei XU,Hao ZHOU

表 1 饮用水厂污泥的基本理化性质

Tab.1 Basic physical and chemical properties of sludge from DWTP

污泥样品 woc / % R0 / % wmetal / 10−31 w(CEC)/(cmol·kg−1) >250 μm 63~250 μm <63 μm Al Fe Ca Mg 絮凝池 全粒径 8.39 19 19 62 79.67 44.21 20.06 11.69 79.24 >250 μm 11.15 — — — 94.79 48.58 17.06 12.12 95.32 63~250 μm 7.70 — — — 82.17 44.79 18.59 12.01 73.96 <63 μm 6.33 — — — 68.38 40.43 23.45 12.55 58.84 沉淀池 全粒径 9.01 15 19 66 78.58 43.63 20.87 12.15 82.60 >250 μm 6.74 — — — 96.25 48.67 15.08 11.62 60.04 63~250 μm 7.29 — — — 81.33 44.38 18.89 12.03 71.32 <63 μm 10.07 — — — 61.13 39.64 23.29 11.75 88.00 V型滤池 全粒径 7.98 — 24 76 75.33 40.63 15.75 10.49 67.08 63~250 μm 6.88 — — — 88.25 40.77 14.29 9.97 57.72 <63 μm 9.39 — — — 68.05 40.61 18.11 10.92 85.56