Effect of adsorbent dosage of 8-hydroxyquinoline Copper

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    The dependence of adsorption of 8-hydroxyquinoline Copper(WSDTY) ions on the dosage of carbon. The adsorption experiments were carried out in the copper concentration range of 25-120mg/lit for an adsorbent dose of 0.5g of GAC loaded with 100ml 0.002M for both QSA and NQSA at pH 5.5. However, the amount of Cu adsorbed in mg/g of GAC was found to decrease with increasing adsorbent dosage due to high number of unsaturated adsorption sites. The higher concentrations of heavy metal resulted in depletion of surface active sites. As the surface coverage of active sites increase, adsorption to these sites becomes limited thereby leading to a decrease in the adsorption intensity. The effect of weight of adsorbent for QSA and NQSA showed a similar trend.

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