Synthesis and characterization of iron sulfide powders and its application for sorption of europium radionuclides

被引：4

作者：

Allan, Karam Fatwhi ^{[1
]}

Labib, Shiraz ^{[1
]}

Holeil, Mohamed ^{[1
]}

机构：

[1] Egyptian Atom Energy Author, Hot Labs Ctr, Dept Nucl Chem, POB 13759, Cairo, Egypt

来源：

DESALINATION AND WATER TREATMENT | 2016年 / 57卷 / 41期

关键词：

Cubic iron sulfide; Characterization; Sorption; Eu(152+154)(III); ACTIVATED CARBON; REMOVAL; IONS; SEPARATION; RECOVERY; BIOSORPTION; PERFORMANCE; REDUCTION; COMPLEXES; CS-137;

D O I：

10.1080/19443994.2015.1099476

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this research, cubic iron sulfide powder was prepared for the sorption of Eu(152+154)(III) from the aqueous solutions. The prepared sorbents were characterized by: X-ray diffraction analysis, differential thermal analysis, thermogravimetric analysis, Fourier transform infrared, scanning electron microscope and energy dispersive X-ray analysis. The sorption was performed as a function of pH, contact time, temperature, and metal ion concentrations in the batch experiments. The results demonstrated that the sorption was well described by the Langmuir adsorption isotherm with the maximum adsorption capacity of (0.0203mmolg(-1)). The kinetic data indicated that the sorption fitted well with the pseudo-second-order kinetic model. The thermodynamic parameters implied that the sorption process was spontaneous and endothermic in nature.

引用

页码：19495 / 19509

页数：15

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