Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Novel Poly(acrylic acid)-modified Tourmaline/Silver Composites for Adsorption Removal of Cu(II) ions and Catalytic Reduction of Methylene Blue in Water
Guangfu LiaoWenzhe ZhaoQing LiQiuhu PangZushun Xu
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2017 Volume 46 Issue 11 Pages 1631-1634

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Abstract

A facile strategy has been developed for the preparation of novel poly(acrylic acid)-modified tourmaline/silver (PAA-modified Tm/Ag) composites with good adsorption properties and high catalytic activities. Ag nanoparticles are successfully deposited on poly(acrylic acid)-modified tourmaline (PAA-modified Tm) surfaces via in situ reduction and simultaneously protected by poly(vinylpyrrolidone) (PVP). Fourier transform infrared spectroscopy (FTIR) and zeta potential analysis confirm the formation of PAA-modified Tm, and dispersibility measurements illustrate the introduction of PAA can greatly improve the dispersibilities of Tm in water. Field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) results have confirmed the formation of PAA-modified Tm and PAA-modified Tm/Ag composites. Catalytic studies show that the prepared PAA-modified Tm/Ag composites exhibit high catalytic activities and good recyclabilities for the catalytic reduction of methylene blue (MB). Adsorption tests suggest that the prepared PAA-modified Tm/Ag composites exhibit good adsorption properties. Therefore, the prepared PAA-modified Tm/Ag composites have a high potential for use in the catalytic degradation of organic dyes and adsorption removal of heavy metal ions in wastewater treatment applications.

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© 2017 The Chemical Society of Japan
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