Paper Title:
Synchronous Concentrating and Purifying Dilute Nickel Wastewater by Electrodeionization Technology
  Abstract

Applicable configuration alteration of the electrodeionization (EDI)process commonly for pure water production was carried out to treat dilute nickel wastewater in this paper. The effects of major operating parameters such as applied voltage, dilute and concentrate stream flow rates on the performance of EDI process were investigated systematically. The results showed that, with the feed water containing 50mg·L-1 Ni2+ and pH of 5.7, the dilute resistivity of the EDI could reach higher than 1.0MΩ·cm which gave a Ni2+ rejection more than 99.8% while the Ni2+ was concentrated as high as 1564mg·L-1 in the concentrate stream by optimizing the operating parameters. It was indicated that pure water production and concentrating of heavy metal ions could be simultaneously accomplished via EDI technology just in one process, valuable heavy metal and water resource could be recovered as well.

  Info
Periodical
Advanced Materials Research (Volumes 233-235)
Edited by
Zhong Cao, Lixian Sun, Xueqiang Cao, Yinghe He
Pages
351-354
DOI
10.4028/www.scientific.net/AMR.233-235.351
Citation
H. X. Lu, J. Y. Wang, S. F. Bu, "Synchronous Concentrating and Purifying Dilute Nickel Wastewater by Electrodeionization Technology", Advanced Materials Research, Vols. 233-235, pp. 351-354, 2011
Online since
May 2011
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Price
$32.00
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