Adsorption of Copper Ions from Wastewater by Carboxymethylcellulose Sulfate

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Abstract:

In the present paper, the ability of carboxymethylcellulose sulfate (CMC-S) for Cu(II) removal was studied. The influence of factors, such as the pH value, the initial copper concentrations, and the contact time, were investigated in detail. Atomic absorption spectrophotometer was applied to determined the concentration of Cu(II). The results showed that the adsorption process was strongly dependent on the pH value and the initial copper concentration. The optimum pH value was in the range of 6-7. The theoretical adsorption capacities for Cu(II) was 127.7 mg/g. The equilibrium data was well fitted to the Langmuir isotherm model at 25°C, which can be explained as a monolayer adsorption.

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Advanced Materials Research (Volumes 393-395)

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1098-1101

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November 2011

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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