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Studies of adsorption behavior of crosslinked chitosan for Cr(VI), Se(VI)

机译:交联壳聚糖对Cr(VI),Se(VI)的吸附行为研究

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In this work, it was found that crosslinked chitosan (CCTS) had strong adsorption ability for some anions under certain conditions. Cr(VI) and Se(VI) existed in anion forms in aqueous solution, and their adsorption rates by CCTS were 97% for Cr(VI) at pH 3.0 and 95% for Se(VI) at pH 4.0. In addition, the adsorption balance time and isotherm of CCTS for Cr(VI) and Se (VI) were discussed and adsorption mechanism was explained. This research will be useful for designing CCTS-based adsorption for metallic toxin removal and preconcentrating Cr(VI) and Se(VI) in their trace analysis. (C) 2000 John Wiley & Sons, Inc. [References: 9]
机译:在这项工作中,发现交联的壳聚糖(CCTS)在一定条件下对某些阴离子具有很强的吸附能力。 Cr(VI)和Se(VI)在水溶液中以阴离子形式存在,在pH 3.0下,CCTS对Cr(VI)的吸附率为97%,在pH 4.0下对Se(VI)的吸附率为95%。此外,还讨论了CCTS对Cr(VI)和Se(VI)的吸附平衡时间和等温线,并解释了吸附机理。这项研究对于设计基于CCTS的吸附剂以去除金属毒素并在痕量分析中对Cr(VI)和Se(VI)进行预浓缩将是有用的。 (C)2000 John Wiley&Sons,Inc. [参考:9]

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