壳聚糖衍生物絮凝剂对丁烯醛废水中COD的去除研究
白立军
COD removal in crotonaldehyde wastewater by chitosan derivative flocculant
Lijun Bai
表2
Box-Behnken试验设计及结果
试验序号
A
絮凝剂投加量/（mg·L
-1
）
B
溶液pH
C
反应温度/℃
Y
COD去除率/%
1
-1
1
0
52.15
2
1
0
1
49.26
3
1
1
0
45.73
4
0
-1
-1
53.29
5
0
-1
1
49.33
6
1
0
-1
54.36
7
-1
0
-1
50.72
8
-1
-1
0
50.01
9
0
0
0
54.66
10
-1
0
1
48.32
11
0
1
1
47.13
12
0
1
-1
48.23
13
0
0
0
55.79
14
1
-1
0
57.98
15
0
0
0
52.63
16
0
0
0
53.12
17
0
0
0
56.35