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HomeKey Engineering MaterialsKey Engineering Materials Vols. 609-610Improved Study on the Performance of...

Improved Study on the Performance of Polyacrylamide/Attapulgite Clay Composite Material Removing Copper (II) Ions from Aqueous Solution

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Abstract:

A removal of Cu (II) ions from aqueous solutions onto PAM/ATP has been investigated using batch adsorption technique, including the effect of pH, contact time, initial metal ion concentration, adsorption thermodynamics and kinetics. PAM/ATP was characterized with Fourier transform infrared (FT-IR) spectroscopy and scanning electron microscopy (SEM). The equilibrium data were analyzed using Langmuir and Freundlich isotherms and the best interpretation was given by Langmuir. The maximum adsorption capacity was found to be 212 mg/g after 60 min when pH =3. Regeneration experiments showed that the investigated PAM/ATP could be reused without significant adsorption losses even after five adsorption-desorption cycles.

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Micro-Nano Technology XV

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Periodical:

Key Engineering Materials (Volumes 609-610)

Pages:

26-31

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.609-610.26

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Online since:

April 2014

Authors:

Chun Lei Li, Hui Xu*, Jun Long Zhang, Wei Wang, Jing Tang, Jun Xia Wu

Keywords:

Adsorption, Attapulgite, Copper (II) Ions, PAM/ATP

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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