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Sorption studies of manganese and cobalt from aqueous phase onto alginate beads and nano-graphite encapsulated alginate beads
- Authors
- Khan, Moonis Ali; Jung, Woosik; Kwon, Oh-Hun; Jung, Young Mee; Paeng, Ki-Jung; Cho, Seung-Yeon; Jeon, Byong Hun
- Issue Date
- Nov-2014
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Nano-carbon beadsThermal activationSorptionDesorptionRegeneration
- Citation
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.20, no.6, pp.4353 - 4362
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
- Volume
- 20
- Number
- 6
- Start Page
- 4353
- End Page
- 4362
- ISSN
- 1226-086X
- 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.
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Related Researcher
- Jeon, Byong Hun
- COLLEGE OF ENGINEERING (DEPARTMENT OF EARTH RESOURCES AND ENVIRONMENTAL ENGINEERING)