锌冶炼污酸废水循环利用技术研究
刘冰冰,季常青
Study on recycling technology of acid wastewater from zinc smelting
Bingbing LIU,Changqing JI
表1
多级萃取对氟、氯的去除效果
Table 1
Effect of multi-stage extraction on fluorine and chlorine removal
萃取级数
氯/(mg·L
-1
)
氯去除率/%
氟/(mg·L
-1
)
氟去除率/%
0
3 500.0
0.0
230.7
0.0
1
490.2
85.1
126.4
45.2
2
205.1
57.7
72.5
42.3
3
119.7
46.5
45.9
36.7
4
60.3
41.6
35.8
21.9
5
24.8
41.2
30.2
15.6