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. 2023 Sep 4;9(9):e19457. doi: 10.1016/j.heliyon.2023.e19457

Table 7.

Analytical report of regular dye bath discharge water (dark shade).

Stage pH TDS (mg/l) EC (μs/cm) DO (mg/l) COD (mg/l) BOD5 (mg/l)
Bleaching 11.3 2980 5130 7.65 1317 610
Dye bath 11.8 9780 13820 2.69 1842 870
Bath drain 10.7 4740 8540 3.76 1354 590
Hot Wash 8.5 3620 4120 4.15 1017 460
Soaping 1 7.6 1910 1760 4.53 823 370
Soaping 2 7.3 1150 930 5.09 497 210