混凝法应急处置低温低浊含锑废水的研究

冯立师,王骥,潘超逸,陈尧,黄大伟,陈思莉,虢清伟,陈鼎豪

Study on emergency treatment of low temperature, low turbidity and antimony-contaminated wastewater by coagulation

Lishi Feng,Ji Wang,Chaoyi Pan,Yao Chen,Dawei Huang,Sili Chen,Qingwei Guo,Dinghao Chen

表3 正交实验结果

序号 C0=20μg/L C0=50μg/L C0=500μg/L A B/ (mg·L-1) C/ (mg·L-1) D/min 去除率/% A B/ (mg·L-1) C/ (mg·L-1) D/min 去除率/% A B/ (mg·L-1) C/ (mg·L-1) D/min 去除率/% 1 5 10 4 5 87.6 5 10 4 5 88.9 5 10 4 5 94.2 2 5 20 6 10 88.0 5 20 6 10 89.1 5 20 6 10 84.1 3 5 30 8 15 78.6 5 30 8 15 75.9 5 30 8 15 86.6 4 7 10 6 15 89.2 7 10 6 15 91.9 7 10 6 15 96.6 5 7 20 8 5 81.6 7 20 8 5 77.4 7 20 8 5 88.7 6 7 30 4 10 76.1 7 30 4 10 71.5 7 30 4 10 74.5 7 9 10 8 10 86.8 9 10 8 10 90.4 9 10 8 10 92.4 8 9 20 4 15 85.6 9 20 4 15 84.1 9 20 4 15 86.7 9 9 30 6 5 75.2 9 30 6 5 70.2 9 30 6 5 80.1 K1 9.17 7.3 10.14 11.12 23.08 14.41 27.76 31.75 175.75 84.46 223.28 184.98 K2 10.63 8.96 9.53 9.83 29.57 24.75 24.38 24.52 201.19 202.3 195.87 244.88 K3 10.49 14.03 10.62 9.34 27.67 41.16 28.18 24.05 203.93 294.11 161.72 151.01 K1 3.06 2.43 3.38 3.71 7.69 4.8 9.25 10.58 58.58 28.15 74.43 61.66 K2 3.54 2.99 3.18 3.28 9.86 8.25 8.13 8.17 67.06 67.43 65.29 81.63 K3 3.5 4.68 3.54 3.11 9.22 13.72 9.39 8.02 67.98 98.04 53.91 50.34 R 0.48 2.25 0.36 0.6 2.17 8.92 1.26 2.56 9.4 69.89 20.52 31.29 因素 主次 硫化钠投加量>搅拌时A>pH>PAM投加量 硫化钠投加量>搅拌时A>pH>PAM投加量 硫化钠投加量>搅拌时A>PAM投加量>pH 最优 组合 硫化钠投加量10mg/L，搅拌时间15min， pH=7，PAM投加量6mg/L 硫化钠投加量10mg/L，搅拌时间15min， pH=7，PAM投加量6mg/L 硫化钠投加量10mg/L，搅拌时间15min， pH=7，PAM投加量6mg/L