改性阴离子交换树脂提高铬酸盐选择性和再生效率

Reactive Polymers, Ion Exchangers, Sorbents Pub Date : 1988-12-01 DOI:10.1016/0167-6989(88)90255-3

Arup K. Sengupta, Tushar Roy, Derek Jessen

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引用次数: 8

摘要

实验结果表明，具有三丙基季铵官能团的改性强碱树脂比具有三甲基季铵或二甲基叔胺官能团的市售阴离子交换树脂具有更高的铬酸盐选择性和更高的再生效率。使用这种新的改性树脂可能更经济地净化含铬的工业废水。

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Modified anion-exchange resins for improved chromate selectivity and increased efficiency of regeneration

Experimental results are provided to show that a modified strong-base resin with tripropyl quaternary ammonium functionality offers greater chromate selectivity and improved efficiency of regeneration over widely used commercially available anion-exchange resins with trimethyl quaternary ammonium or dimethyl tertiary amine functionality. Use of this new, modified resin is likely to be more economic for decontaminating chromate-laden industrial wastewaters.

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Reactive Polymers, Ion Exchangers, Sorbents

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