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Table 2 Characteristics of Dire tannery wastewater

From: Identification of two low-cost and locally available filter media (pumice and scoria) for removal of hazardous pollutants from tannery wastewater

SNo Parameter Concentration (mg/L) except pH and T° Range
1 pH 9.1 ± 3.10 6.5–12.50
2 T° (°C) 20.6 ± 2.30 19–22
3 BOD5 1081 ± 160 924–1243
4 COD 12,913 ± 6875 8046–21,025
5 TSS 2426 ± 515.20 1849–2840
6 NH4–N 314 ± 60 259–378
7 NO2–N 1.7 ± 0.30 1.4–1.99
8 NO3–N 124 ± 13 110–135
9 PO4–P 168 ± 74 112–252
10 Sulfide 417 ± 131 334–568
11 Sulfate 1307 ± 224 1118–1555
12 Total chromium 35.7 ± 90 28–45