Paper Title:
Simultaneous Removal of Heavy-Metal Ions by MnO2 Loaded D301 Resin
  Abstract

MnO2-loaded D301 weak basic anion exchange resin was used as adsorbent to simultaneously remove Co2+, Ni2+, Cd2+, Zn2+ and Cu2+ from aqueous solution contained high concentration of alkali and alkaline-earth metals ions. The effects of solution pH and coexistent ions on the adsorption were investigated. The results indicated that Co2+, Ni2+, Cd2+, Zn2+ and Cu2+ can be simultaneously removed in the wide pH range of 3 to 8. The coexistence of PO43− decreased the heavy metal ions removal rate, but for other high concentrations coexistence cations and anions such as Na+, K+, Cl, NO3, SO42− and HCO3, there is no significant impact on removal rate of heavy metals. The adsorption isotherm can be well described by Langmuir isotherm. The adsorption processes followed the pseudo first-order kinetics model. High adsorption capacity makes it a good promising candidate material for simultaneous removal of Co2+, Ni2+, Cd2+, Zn2+ and Cu2+ from aqueous solution with the co-existence of high concentration of alkali and alkaline-earth metals ions.

  Info
Periodical
Advanced Materials Research (Volumes 255-260)
Edited by
Jingying Zhao
Pages
2791-2796
DOI
10.4028/www.scientific.net/AMR.255-260.2791
Citation
H. M. Ma, Z. L. Zhu, Y. Q. Cheng, "Simultaneous Removal of Heavy-Metal Ions by MnO2 Loaded D301 Resin", Advanced Materials Research, Vols. 255-260, pp. 2791-2796, 2011
Online since
May 2011
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$32.00
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