期刊
ARABIAN JOURNAL OF CHEMISTRY
卷 10, 期 -, 页码 S2295-S2301出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.arabjc.2013.08.005
关键词
Layered double hydroxides; Hydrotalcite-like compounds; Glutamate; Heavy metal ions
资金
- project on Scientific Research for Public Interest of Liaoning Province, China [2011001001]
Glutamate intercalated Mg-Al layered double hydroxide (LDH) was prepared by co-precipitation and the removal of Pb2+ in the aqueous solution was investigated. The prepared samples were characterized by XRD, FT-IR and SEM. It was shown that glutamate can intercalate into the interlayer space of Mg-Al LDH. The glutamate intercalated Mg-Al LDH can effectively adsorb Pb2+ in the aqueous solution with an adsorption capacity of 68.49 mg g(-1). The adsorption of Pb2+ on glutamate intercalated Mg-Al LDH fitted the pseudo-second-order kinetics model and the isotherm can be well defined by Langmuir model. (C) 2013 Production and hosting by Elsevier B.V. on behalf of King Saud University.
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