Journal
APPLIED SURFACE SCIENCE
Volume 284, Issue -, Pages 942-949Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2013.04.013
Keywords
Nitrate; Phosphate; ZrO2; Chitosan; Adsorption; Composite
Categories
Funding
- Projects in the Science & Technology Pillar Program of JiangXi Province [20123BBG70193]
- National Natural Science Foundation of China [51272099]
- State Key Program of National Natural Science of China [51238002]
- Doctoral Starting Up Foundation of Nanchang Hangkong University [EA201102192]
- Open Foundation from Key Laboratory of Jiangxi Province for Ecological Diagnosis-Remediation and Pollution Control [87201222009]
- Project of JiangXi Eductation Department [JXJG-12-7-15]
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A novel nanocomposite with a BET surface area of 212.9 m(2)/g was synthesized from chitosan and Fe3O4/ZrO2 using an inexpensive protocol at mild condition. The Fe3O4/ZrO2/chitosan composite has the ability to adsorb both nitrate and phosphate. The maximum adsorption amount of nitrate and phosphate is 89.3 mg/g and 26.5 mg P/g, respectively. The adsorption process fits well to the pseudo-first-order kinetic rate model, and the mechanism involves simultaneous adsorption and intra-particle diffusion. The experimental results suggest that the composite is a promising adsorbent for treating water that is contaminated with nutrients. (C) 2013 Elsevier B. V. All rights reserved.
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