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The effect of metal cations on phenol adsorption by hexadecyl-trimethyl-ammonium bromide (hdtma) modified clinoptilolite (Ct.)

机译:金属阳离子对十六烷基三甲基溴化铵(hdtma)改性斜发沸石(Ct。)吸附苯酚的影响

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摘要

This paper is concerned with the preparation and use of HDTMA-modified clinoptilolite (Ct.) to remove phenol and investigate the effect of cation ions on the phenol sorption performance. It was found that HDTMA-modified Ct. removed phenol more efficiently than natural Ct. This can be attributed to the enhanced hydrophobic surface properties of HDTMA-modified Ct. In the presence of Ca~(2+) and Mg~(2+) ions, the phenol sorption by HDTMA-modified Ct. was further improved. The formation of neutral ion pair of metal-phenol and increasing hydrophobic interactions were contributed to such phenomena.
机译:本文涉及HDTMA改性斜发沸石(Ct。)的制备和使用,以去除苯酚,并研究阳离子对苯酚吸附性能的影响。发现HDTMA修饰的Ct。比天然Ct更有效地去除了苯酚。这可以归因于HDTMA修饰的Ct的疏水表面性能增强。在Ca〜(2+)和Mg〜(2+)离子存在下,HDTMA修饰的Ct对苯酚的吸附。得到进一步改善。金属-酚的中性离子对的形成和疏水相互作用的增加是造成这种现象的原因。

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