Removal of Pb2+ from the aqueous solution by tartrate intercalated layered double hydroxides

被引：18
|
作者：
Shen, Yanming [1 ]
Zhao, Xiaolei [1 ]
Zhang, Xi [1 ]
Li, Shifeng [1 ]
Liu, Dongbin [1 ]
Fan, Lihui [1 ]
机构：
[1] Shenyang Univ Chem Technol, Dept Chem Engn, 11 St, Shenyang 110142, Peoples R China
来源：
KOREAN JOURNAL OF CHEMICAL ENGINEERING | 2016年 / 33卷 / 01期
关键词：
Layered Double Hydroxide; Hydrotalcite; Adsorption; Heavy Metal Ions; HEAVY-METAL IONS; PB(II) IONS; ADSORPTION; SORPTION; WASTE; EQUILIBRIUM; CITRATE; COPPER; LEAD; HYDROTALCITE;
D O I：
10.1007/s11814-015-0110-2
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Adsorption of Pb2+ ion by a tartrate intercalated MgAl layered double hydroxides (MgAl-TA LDHs) was studied. The adsorption isotherms and kinetics were investigated as a function of various experimental parameters using batch adsorption experiments. The results indicated that the adsorption isotherm was well described by Sips model. The kinetic adsorption data were fitted well to the pseudo-second-order kinetic equation. The adsorption of Pb2+ was controlled mainly by the chemical process combined with intraparticle diffusion. Parameters of adsorption thermodynamic suggested that the interaction of Pb2+ adsorbed by MgAl-TA LDHs adsorbents was thermodynamically spontaneous and endothermic.
引用
收藏
页码：159 / 169
页数：11
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