Removal of Nickel Ions from Dilute Heavy Metal Solutions by Electrodeionization Process

Abstract:

The aim of the present work was to study the effect of properties of ion exchange membrane on separation performance of electrodeionization (EDI) process for removal of nickel ions from dilute heavy metal solutions. It was shown that the properties of ion exchange membrane had a significant effect on removal of nickel ions. With feed water containing nickel ions at the concentration of 55mg•L^-1, the nickel ions concentration of dilute stream was lower than 0.5mg•L^-1 and the nickel rejection was greater than 99% when using EDI membranes, while that was in the range of 2.48-3.55mg•L^-1 with conventional heterogeneous ion exchange membranes. With optimum ion exchange material and operating conditions, EDI would be a very interesting and innovative technology for the treatment of dilute heavy metal solutions.

• Periodical: Advanced Materials Research (Volumes 183-185)
• Pages: 580-584
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.183-185.580
• Online since: January 2011
• Authors: Hui Xia Lu, Jian You Wang, Shao Feng Bu, Min Qing Zhang, Jun Bao Zhang
• Keywords: Electrodeionization, Ion Exchange Membrane, Nickel Ion, Separation Performance

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