Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 437, Issue -, Pages 277-282Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2014.09.048
Keywords
Graphene oxide; Cellulose; Beads; Adsorption; Malachite green
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Funding
- Hundred Talents Program of Chinese Academy of Sciences
- National Natural Science Foundation of China [2177132]
- Important Deployment Project of Chinese Academy of Sciences [KZZD-EW-TZ-16]
- Natural Science Foundation of Jilin Province, China [20140101052JC]
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A simple sol-gel method using non-toxic and cost-effective precursors has been developed to prepare graphene oxide (GO)/cellulose bead (GOCB) composites for removal of dye pollutants. Taking advantage of the combined benefits of GO and cellulose, the prepared GOCB composites exhibit excellent removal efficiency towards malachite green (>96%) and can be reused for over 5 times through simple filtration method. The high-decontamination performance of the GOCB system is strongly dependent on encapsulation amount of GO, temperature and pH value. In addition, the adsorption behavior of this new adsorbent fits well with the Langmuir isotherm and pseudo-second-order kinetic model. (c) 2014 Elsevier Inc. All rights reserved.
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