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Table 3

Percent of Pb, Cd and Zn removal by different adsorbents at pH 5.5 and contact time 30 min

SorbentsRemoval (Pb %)Removal (Cd %)Removal (Zn %)
GAC (MC = 5, β-zeolite = 1, bentonite = 9) wt% 90.2 87.2 85.4 
GAC (MC = 5, β-zeolite = 3, bentonite = 7) wt% 94.6 90.4 87.2 
GAC (MC = 8, β-zeolite = 1, bentonite = 9) wt% 89 86.5 83.7 
GAC (MC = 5, Cu-β-zeolite = 1, bentonite = 9) wt% 92.4 91.5 90.4 
GAC (MC = 5, Cu-β-zeolite = 3, bentonite = 7) wt% 97.6 95.9 91.1 
GAC (MC = 8, Cu-β-zeolite = 1, bentonite = 9) wt% 91.6 90 87.8 
SorbentsRemoval (Pb %)Removal (Cd %)Removal (Zn %)
GAC (MC = 5, β-zeolite = 1, bentonite = 9) wt% 90.2 87.2 85.4 
GAC (MC = 5, β-zeolite = 3, bentonite = 7) wt% 94.6 90.4 87.2 
GAC (MC = 8, β-zeolite = 1, bentonite = 9) wt% 89 86.5 83.7 
GAC (MC = 5, Cu-β-zeolite = 1, bentonite = 9) wt% 92.4 91.5 90.4 
GAC (MC = 5, Cu-β-zeolite = 3, bentonite = 7) wt% 97.6 95.9 91.1 
GAC (MC = 8, Cu-β-zeolite = 1, bentonite = 9) wt% 91.6 90 87.8 
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