Synthesis, characterization, and cadmium(II) uptake of iminodiacetic acid-modified mesoporous SBA-15

被引：46
作者：
Gao, Zhifeng
Wang, Lina
Qi, Tao [1 ]
Chu, Jinglong
Zhang, Yi
机构：
[1] Chinese Acad Sci, Inst Proc Engn, Lab Green Proc & Engn, Beijing 100080, Peoples R China
[2] Grad Univ, Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2007年 / 304卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
mesoporous SBA-15; iminodiacetic acid; characterization; cadmium; uptake;
D O I：
10.1016/j.colsurfa.2007.04.045
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
An organic-inorganic hybrid mesoporous material, iminodiacetic acid (IDA)-modified mesoporous SBA-15, was prepared by a two-step post-grafting method. By means of solid-state C-13 CP-MAS NMR, thermogravimetic analysis (TGA), Fourier transform infrared (FT-IR), as well as X-ray photoelectron spectroscopy (XPS), the structural and physicochemical properties of the materials were characterized. The cadmium(II) uptake experiments show that the iminodiacetic acid-modified mesoporous SBA-15 (IDA-SBA-15) exhibits excellent ability to remove cadmium(II) from aqueous solutions. The cadmium(II) adsorption isotherm of iminodiacetic acid-modified mesoporous SBA-15 (IDA-SBA-15) is in good accordance with the Lansmuir equation. (c) 2007 Elsevier B.V. All rights reserved.
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收藏
页码：77 / 81
页数：5
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