Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 244, Issue -, Pages 25-30Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2016.09.010
Keywords
MIL-100(Fe); Magnetic particles; Core-shell structure; Cr(VI)
Funding
- National Natural Science Foundation of China [21401170, 21271160]
- Research Fund for the Doctoral Program of Zhengzhou University of Light Industry [2013BSJJ021]
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Facile regeneration of an adsorbent is very important for commercial feasibility. One typical highly porous metal-organic framework (MOF) materials based on MIL-100(Fe) and magnetic iron oxide particles (denoted as MMCs) with diameter about of 350 nm were successfully synthesized. The growth of MIL-100(Fe) shell on the surface of Fe3O4 was utilized precursor as crystal seed via in-situ step hydro thermal reaction. It is a simple way to obtain well organized core-shell MOF composites, compared to the step-by-step method. MMCs were firstly used to uptake of Cr(VI) anions in aqueous solution. Adsorption experiments were carried out in batch sorption mode investigating with the factors of contact time (0-1000 min), pH (from 2 to 12), dose of adsorbent (4-25 mg), and initial Cr(VI) concentration (range from 10 to 100 ppm). (C) 2016 Elsevier Inc. All rights reserved.
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