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Determining the selectivity of divalent metal cations for the carboxyl group of alginate hydrogel beads during competitive sorption

An, Byungryul ; Lee, Healim ; Lee, Soonjae ; Lee, Sang-Hyup ; Choi, Jae-Woo

Journal of Hazardous Materials, Nov 15, 2015, Vol.298, p.11(8) [Tạp chí có phản biện]

ISSN: 0304-3894

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  • Nhan đề:
    Determining the selectivity of divalent metal cations for the carboxyl group of alginate hydrogel beads during competitive sorption
  • Tác giả: An, Byungryul ; Lee, Healim ; Lee, Soonjae ; Lee, Sang-Hyup ; Choi, Jae-Woo
  • Là 1 phần của: Journal of Hazardous Materials, Nov 15, 2015, Vol.298, p.11(8)
  • Mô tả: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jhazmat.2015.05.005 Byline: Byungryul An, Healim Lee, Soonjae Lee, Sang-Hyup Lee, Jae-Woo Choi Abstract: * The shape of the hydrogel bead was determined by the alginate concentration. * Divalent metal stoichiometrically interacted with the carboxyl group of alginate. * The sorption of Pb.sup.2+ was unaffected by pH. * Selectivity followed the sequence of Pb.sup.2+ Cu.sup.2+ Ni.sup.2+ Ca.sup.2+ H.sup.+. * HCl is an effective regenerant without the loss of the alginate polymer. Author Affiliation: (a) Center for Water Resource Cycle Research, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Republic of Korea (b) Green School, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 136-701, Republic of Korea (c) Department of Energy and Environmental Engineering, University of Science and Technology (UST), Daejeon 305-350, Republic of Korea Article History: Received 25 March 2015; Revised 4 May 2015; Accepted 5 May 2015
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0304-3894

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