| Source |
Effluent (l/kg) |
pH |
COD |
BOD |
TS |
SS |
TDS |
| kg per 1000 kg of product |
| Desizing |
|
|
|
|
|
|
|
| Starch |
12.5 |
6-8 |
|
38.5 |
97 |
77 |
20 |
| PVA |
12.5 |
6-8 |
|
2.5 |
55.4 |
5 |
50.4 |
| CMC |
12.5 |
6-8 |
|
3.93 |
59.5 |
5 |
54.5 |
| Mixture |
4.2 |
|
74 |
|
78 |
|
|
| Scouring |
|
|
|
|
|
|
|
| Unmercerised |
25 |
12 |
|
10.8 |
14.8 |
5 |
9.8 |
| Mercerised |
25 |
12 |
|
8.34 |
14.7 |
5 |
9.7 |
| Bleaching |
|
|
|
|
|
|
|
| Peroxide |
16.7 |
|
|
1.3 |
24 |
4 |
20 |
| Oxidative-desize-bleach |
5.1 |
|
23 |
|
184 |
|
|
| Mercerising |
|
|
|
|
|
|
|
| Poly/cotton |
16.7 |
|
|
3.2 |
82 |
5 |
77 |
| Dyeing |
|
|
|
|
|
|
|
| Disperse-vat |
42 |
12 |
68 |
22.8 |
122 |
|
122 |
| Vat |
100 |
|
|
|
150 |
|
|
| Disperse |
80 |
|
|
|
20 |
|
|
| Direct-disperse |
|
6-8 |
32 |
10.7 |
|
|
114 |
| Sulphur-disperse |
|
11 |
68 |
22.8 |
|
|
69.7 |
| Reactive-disperse |
|
12 |
41 |
13.8 |
|
|
192 |
| Printing |
|
|
|
|
|
|
|
| Pigment (woven) |
|
6-8 |
5 |
1.26 |
|
0.13 |
2.5 |
| Pigment (knit) |
|
6-8 |
5 |
1.26 |
|
0.13 |
2.5 |
| Vat (woven) |
|
10 |
86 |
21.5 |
|
25 |
34 |
| Vat (knit) |
|
10 |
86 |
21.5 |
|
25 |
35 |
| Machine wash |
100 |
|
|
|
|
|
|
| Screen wash |
7 |
|
|
|
|
|
|
| Hose vessels |
30 |
|
|
|
|
|
|
| Pigment wash |
12.5 |
|
|
1 |
3 |
0 |
3 |
| Finishing |
|
|
|
|
|
|
|
| Resin finishing |
|
6-8 |
|
|
|
|
22 |
| Resin finishing flat curling |
|
6-8 |
|
25 |
6.32 |
|
17.3 |
|
