Abstract
The ability of synthetic zeoliteNaX to remove Cr(VI) and Pb(II) from aqueous solutions was studied in fixed bed column. The effect of bed height (4, 6, 8 in.) and flow rate (0.825, 1.6, 2.14, 4.0, 5.0 L/h) was studied. The uptake and percentage removal of Cr(VI) Pb(II) and on zeoliteNaX for 4-in. column were found to be 5.66 and 8.896 mg/g and 84.99 and 89%, respectively. The bed depth service time (BDST) and Thomas model were used for the analysis of the column. The column experiments showed that the breakthrough time and the exhaustion time are found to increase with increase in bed height. Favorable results were obtained with the BDST model, which describe the experimental data well.
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