钢铁酸洗废液污染物质对污水处理效果的影响
蒋银峰,蒋浩

Effect of the steel pickling waste liquor on sewage treatment
Yinfeng Jiang,Hao Jiang
表6 各系列产品对混合污水COD的去除效果
处理编号 投加质量分数为0.05% 投加质量分数为0.1% 投加质量分数为0.2%
COD/(mg·L-1 COD去除率/% COD/(mg·L-1 COD去除率/% COD/(mg·L-1 COD去除率/%
原水 783.70 0 783.7 0 783.7 0
0# 457.2 41.7 409.6 47.7 385.1 50.9
C1 458.8 41.5 410.3 47.6 385.3 50.8
C2 461.4 41.1 417.8 46.7 392.0 50.0
C3 459.2 41.4 409.8 47.7 380.3 51.5
C4 460.3 41.3 414.3 47.1 425.7 45.7
C5 462.4 41.0 457.2 41.7 463.4 40.9
P1 447.2 42.9 419.2 46.5 387.2 50.6
P2 452.3 42.3 429.6 45.2 395.0 49.6
P3 439.2 44.0 398.7 49.1 402.7 48.6
P4 438.0 44.1 403.9 48.5 404.5 48.4
P5 461.5 41.1 423.5 46.0 386.0 50.7
N1 466.3 40.5 423.8 45.9 384.7 50.9
N2 446.9 43.0 418.0 46.7 384.9 50.9
N3 460.0 41.3 389.0 50.4 396.0 49.5
N4 457.4 41.6 400.2 48.9 402.3 48.7
N5 465.2 40.6 411.5 47.5 382.3 51.2
CPN 455.7 41.9 416.8 46.8 380.5 51.4