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Magnetic chitosan composite for adsorption of cationic and anionic dyes in aqueous solution
- Authors
- Cho, Dong-Wan; Jeon, Byong Hun; Chon, Chul-Min; Schwartz, Franklin W.; Jeong, Yoojin; Song, Hocheol
- Issue Date
- Aug-2015
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Methylene blue; Methyl orange; Chitosan; Clay; Magnetite
- Citation
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.28, pp.60 - 66
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
- Volume
- 28
- Start Page
- 60
- End Page
- 66
- ISSN
- 1226-086X
- Abstract
- A magnetic composite material composed of nano-magnetite (NMT), heulandite (HE), and cross-linked chitosan was prepared and used as an adsorbent for methylene blue (MB) and methyl orange (MO). The composite was characterized for the morphology, magnetic and surface properties. The optimal mass ratio of chitosan:HE:NMT for the best removal of both dyes was determined to be 1:1:0.33. The adsorption of MB and MO followed the pseudo-second order kinetics, and the maximum adsorption capacities were 45.1 and 149.2 mg g(-1) at pH 5.5, respectively. The adsorption of MB increased with the pH increase, while MO adsorption showed an opposite trend.
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Collections - 서울 공과대학 > 서울 자원환경공학과 > 1. Journal Articles
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Related Researcher
- Jeon, Byong Hun
- COLLEGE OF ENGINEERING (DEPARTMENT OF EARTH RESOURCES AND ENVIRONMENTAL ENGINEERING)