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Table 5 Pb, Cd and Cr removal from the real water samples (Akaki river) using zeolite X and copper doped zeolite X at optimized conditions

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

Metal Concentration before treatment (mg/L) After treatment with zeolite X After treatment with copper doped zeolite X
Concentration (mg/L) Removal efficiency Concentration (mg/L) Removal efficiency
Pb 0.696 BDL 100 BDL 100
Cd 0.795 0.005 99.37 0.005 99.37
Cr 0.658 0.052 92 BDL 100