Surfactant-assisted synthesis of ZIF-8 nanocrystals for phthalic acid adsorption

被引：23
|
作者：
Yan, Xinlong [1 ]
Yang, Yingli [1 ]
Wang, Chao [1 ]
Hu, Xiaoyan [1 ]
Zhou, Min [1 ]
Komarneni, Sridhar [2 ]
机构：
[1] China Univ Min & Technol, Sch Chem Engn & Technol, Xuzhou 221116, Peoples R China
[2] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA
来源：
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2016年 / 80卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Adsorption; Phthalic acid; Isotherm; ZIF-8; Surfactant; ZEOLITIC IMIDAZOLATE FRAMEWORKS; METAL-ORGANIC FRAMEWORKS; HIGHLY EFFICIENT REMOVAL; AQUEOUS-SOLUTION; ESTERS; SORPTION; STABILITY; HKUST-1;
D O I：
10.1007/s10971-016-4138-5
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Phthalic acid (H-2-PA) is the main degradation product of phthalic acid esters, which have been classified as priority pollutants in wastewater. The separation of H-2-PA from waste water is thus of urgent importance for environmental protection. Here, zeolitic imidazole framework (ZIF-8) nanoparticles with different pore structures were prepared by a surfactant mediated method in aqueous solution and the effects of their pore structures on H-2-PA removal were studied. The results showed that the ZIF-8 samples with high mesoporosity exhibited much faster adsorption rate than the pristine ZIF-8. The adsorption equilibrium data were well described by Freundlich isotherm model and the kinetics followed a pseudo-second-order kinetic equation/mechanism. [GRAPHICS]
引用
收藏
页码：523 / 530
页数：8
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