|
Parameter |
before addition of ND
|
after addition of ND
|
| control |
ND |
control |
ND |
| flow of influent, mlh-1 |
23.13 |
22.31 |
26.59 |
22.98 |
| average residual concentration of amaranth in effluent, mgl-1 |
1.90 |
1.61 |
4.44 |
1.65 |
| average effectiveness of amaranth decolorization, % |
90 |
92 |
90 |
96 |
| average value of TOC in effluent, mgl-1 |
112.24 |
110.48 |
116.79 |
101.66 |
| average effectiveness of TOC removal, % |
52 |
52 |
54 |
61 |
| average value of COD in effluent, mgO2l-1 |
403.69 |
433.59 |
393.69 |
366.45 |
| average effectiveness of COD removal, % |
7 |
5 |
13 |
19 |
|
