In-situ grown ZIF-67@chitosan (ZIF-67@CS) for highly efficient removal of Pb(II) from water

被引：38

作者：

Fu, Qiuping ^{[1
]}

Lou, Jie ^{[1
]}

Yuan, Hui ^{[1
]}

Zhang, Rongbin ^{[1
]}

Zhang, Chunmei ^{[1
]}

Mo, Changli ^{[1
]}

Luo, Jun ^{[1
]}

Zha, Lei ^{[1
]}

Wu, Pan ^{[2
]}

机构：

[1] Guiyang Univ, Coll Chem & Mat Engn, Guiyang 550005, Peoples R China

[2] Guizhou Univ, Coll Resource & Environm Engn, Guiyang 550003, Peoples R China

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2022年 / 316卷

关键词：

ZIF-67; Chitosan; Adsorption; Heavy metal ions; Pb(II); METAL-ORGANIC FRAMEWORK; ADSORPTION; CARBON;

D O I：

10.1016/j.jssc.2022.123629

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

ZIF-67@CS composites were prepared by in-situ growth method. The phase and structure of ZIF-67@CS composite were characterized by X-ray powder diffraction (XRD) and fourier transform infrared spectroscopy (FT-IR). The morphology of the materials was characterized by field emission scanning electron microscope (SEM). X-ray photoelectron spectroscopy (XPS) measurements demonstrated the existence of Pb(II) after the adsorption process of composite materials. The adsorption of Pb(II) by composite material conforms to Langmuir model, the theoretical maximum adsorption capacity is 505.051 mg/g. The pseudo-second-order kinetic model can well describe the adsorption kinetic process.

引用

页数：8

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