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Synthesis of new functionalized polyvinyl alcohol) hydrogel and studies of its zinc ion retention properties

机译:新型功能化聚乙烯醇水凝胶的合成及其锌离子保留性能的研究

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摘要

A new functionalized poly(vinly alcohol) (PVA) hydrogel (resin) has been synthesized in green aqueous medium through simple chemical method for the study of effectiveness in removing zinc ions from aqueous solution. The nature of the resin has been elucidated with the help of chemical, spectral and thermal analysis. The zinc ion uptake was studied in the light of solution pH, contact time, adsorbent dose and metal ion concentration. The resin (StyS - PVA graft copolymer) acts as a hydrogel as well as ion exchanger. The functional groups present in the resin are responsible for the retention of zinc ions. A plausible mechanism for zinc ion extraction has been suggested.
机译:通过简单的化学方法,在绿色水性介质中合成了一种新型的功能化聚乙烯醇(PVA)水凝胶(树脂),用于研究从水溶液中去除锌离子的有效性。借助于化学,光谱和热分析已经阐明了树脂的性质。根据溶液的pH值,接触时间,吸附剂量和金属离子浓度研究了锌离子的吸收。树脂(StyS-PVA接枝共聚物)既充当水凝胶又充当离子交换剂。树脂中存在的官能团负责保留锌离子。已经提出了锌离子提取的合理机制。

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