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Influence of Sol Compositions on Boron Adsorption by Boron-Selective Hybrid Gels

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Abstract:

Hybrid gels with boron-chelating groups were prepared using bis(trimethoxysilylpropyl)amine (TSPA) and the precursors synthesized from (3-glycidoxypropyl)trimethoxysilane (GPTMS) and N-methylglucamine (MG). Boron adsorption by the hybrid gels and a commercial boron-selective resin D564 were compared. The experimental results demonstrated that sol compositions have a great effect on the boron adsorption by the hybrid gels. Changing the sol compositions is a convenient way to adjust the adsorption capacity of the hybrid gels. The highest boron adsorption amount of the hybrid gels was found to be 1.54 mmol g-1, higher than that of the commercial resin D564 (1.39 mmol g-1). The hybrid gels reported in this study are easy to prepare, having a higher adsorption capacity and a good mechanical strength.

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Periodical:

Advanced Materials Research (Volumes 233-235)

Pages:

2674-2677

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.233-235.2674

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Cite this paper

Online since:

May 2011

Authors:

Hai Ning Liu, Xiu Shen Ye, Hui Fang Zhang, Zhi Jian Wu

Keywords:

Adsorption, Boron, Hybrid Gel, Sol composition

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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