D418螯合树脂对铟（Ⅲ）的吸附性能及机理研究

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Abstract

The sorption behavior of the chelating resin containing aminomethylphosphonic acid groups (D418) was investigated. The parent rate constan is k_{293 K}= 2.07×10^-4 s^-1, k_{313 K}=3.49×10^-4 s^-1, k_{393 K}= 1.42×10^-3 s^-1 respectively. The themodynamic parameters of sorption are △H= 96.27 kJ·mol^-1，△S = 349.19 J·(mol·K)^-1，△G_{298 K} = -6.04 kJ·mol^-1. The sorption behavior of D418 for In³⁺ obeys the Langmuir isotherm. The sorption mechanism was examined by IR spectrometry. Amino group, resin functional group, phosphate and In³⁺ from the coordination bood.

Key words： D418 chelating resin indium (Ⅲ) adsorption thermodynamics kinetics

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	Articles by authors
	Sun Re
	Qian Che
	Hu Ke
	Zhao Haiyan
	Wang Gengrong
	Liu Peng

Cite this article:

Sun Re,Qian Che,Hu Ke等. Adsorption properties and mechanism of D418 chelating resin for indium[J]. CCI, 2016, 39(6): 37-39，91.

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http://www.mtyhg.com.cn/EN/ OR http://www.mtyhg.com.cn/EN/Y2016/V39/I6/37

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