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Table 7 Properties of raw water before treatment and after treatment with adsorbents

From: Copper doped zeolite composite for antimicrobial activity and heavy metal removal from waste water

Parameter Raw sample (A) Water sample treated with zeolite (B) Water sample treated with copper doped zeolite (C)
Temperature (°C) 22.45 22.12 22.42
pH 7.301 7.5 7.5
Conductivity (μS/cm) 585 13.6 27.6
Turbidity (NTU) 78.6 4.7 4.2
DO (mg/L)
 Before incubation (average) 4.8 6.2 5.8
 After incubation (average) 2.658 5.426 5.146
BOD (mg/L) 22.14 7.74 6.54
COD (mg/L) 219.2 6.8 7