Mineralization of Quinoline by BDD Anodes: Variable Effects and Its Effluent Characteristics
Table 2
orthogonal test results.
Number
(current density) (mA cm−2)
(electrolysis time) (h)
(Na2SO4 concentration) (mol L−1)
Quinoline removal (%)
ACE (×10−2)
1
1
1
1
40.2
4.02
2
1
2
2
61.8
4.22
3
1
3
3
76.8
4.16
4
2
1
2
46.3
3.16
5
2
2
3
85.9
4.17
6
2
3
1
91.7
3.36
7
3
1
3
74.2
4.00
8
3
2
1
92.7
3.40
9
3
3
2
99.4
2.74
Quinoline removal
178.8
160.6
224.5
223.8
240.3
207.4
266.2
267.8
236.9
59.6
53.5
74.8
74.6
80.1
69.1
88.7
89.3
78.9
29.1
35.7
9.8
Factors Primary → secondary
Optimal condition
ACE
12.40 × 10−2
11.18 × 10−2
10.78 × 10−2
10.69 × 10−2
11.79 × 10−2
10.12 × 10−2
10.14 × 10−2
10.26 × 10−2
12.33 × 10−2
4.13 × 10−2
3.73 × 10−2
3.59 × 10−2
3.56 × 10−2
3.93 × 10−2
3.37 × 10−2
3.38 × 10−2
3.42 × 10−2
4.11 × 10−2
0.75 × 10−2
0.51 × 10−2
0.74 × 10−2
Factors Primary → secondary
Optimal condition
Note: () is the sum of tested index corresponding to the levels 1, 2, and 3 under the same factor; () is (); is the difference of (max) and (min) under the same factor.