Skip to Main Content
Table 3

Average metals concentrations in filtered and untreated samples and percentage removal efficiencies in automobile workshops 3 and 4

Metals (mg/L)Workshop 3
Workshop 4
GAC-RHTe(GAC-RH)%GR-GACTe(GR-GAC)%RH-onlyTe(RH-only)%UntreatedGAC-RHTe(GAC-RH)%GR-GACTe(GR-GAC)%RH-onlyTe(RH-only)%Untreated
Cadmium 0.006 54.62 0.007 52.61 0.015 −5.62 0.014 0.014 42.73 0.017 32.60 0.024 6.61 0.025 
Copper 0.012 71.35 0.015 62.81 0.015 63.91 0.040 0.012 61.32 0.015 53.31 0.016 49.83 0.032 
Lead 0.094 68.40 0.18 40.50 0.052 82.45 0.30 0.70 47.49 0.89 33.36 0.85 36.20 1.33 
Iron 9.78 70.07 16.80 48.60 21.24 35.03 32.69 14.33 60.84 21.46 41.37 25.42 30.55 36.59 
Metals (mg/L)Workshop 3
Workshop 4
GAC-RHTe(GAC-RH)%GR-GACTe(GR-GAC)%RH-onlyTe(RH-only)%UntreatedGAC-RHTe(GAC-RH)%GR-GACTe(GR-GAC)%RH-onlyTe(RH-only)%Untreated
Cadmium 0.006 54.62 0.007 52.61 0.015 −5.62 0.014 0.014 42.73 0.017 32.60 0.024 6.61 0.025 
Copper 0.012 71.35 0.015 62.81 0.015 63.91 0.040 0.012 61.32 0.015 53.31 0.016 49.83 0.032 
Lead 0.094 68.40 0.18 40.50 0.052 82.45 0.30 0.70 47.49 0.89 33.36 0.85 36.20 1.33 
Iron 9.78 70.07 16.80 48.60 21.24 35.03 32.69 14.33 60.84 21.46 41.37 25.42 30.55 36.59 
Close Modal

or Create an Account

Close Modal
Close Modal