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Sorption studies of manganese and cobalt from aqueous phase onto alginate beads and nano-graphite encapsulated alginate beads

Title
Sorption studies of manganese and cobalt from aqueous phase onto alginate beads and nano-graphite encapsulated alginate beads
Author
전병훈
Keywords
Nano-carbon beads; Thermal activation; Sorption; Desorption; Regeneration
Issue Date
2014-11
Publisher
ELSEVIER SCIENCE INC, 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
Citation
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, 권: 20, 호: 6, 페이지: 4353-4362
Abstract
Comparative sorption study of dissolved manganese and cobalt ions onto alginate beads CABs) and thermally activated nano-carbon beads (NCBs) was performed. Acidic functionalities dominate over sorbent surface. Elemental analysis confirmed that divalent calcium replacement with heavy metal ions might be a possible sorption mechanism. Optimum metal uptake was observed at pH 8. Most of the metal ions (80-92%) were sorbed within 4 h, followed by a slower sorption stage. Mn(II) and Co(II) recovery was greater than 99% with 0.1 N HCl, and NCB could be repeatedly utilized for Mn(II) and Co(II) sorption with negligible loss in sorption capacity. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S1226086X14000823http://hdl.handle.net/20.500.11754/53147
ISSN
1226-086X; 1876-794X
DOI
10.1016/j.jiec.2014.01.043
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > EARTH RESOURCES AND ENVIRONMENTAL ENGINEERING(자원환경공학과) > Articles
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