载铁阳离子交换树脂的制备及其对饮用水余氯的去除能力

Li Yu-liang, Yang Li, Xing Jian-yu, W. Hong
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引用次数: 0

摘要

本文介绍了在Fe2+溶液中通过离子交换对D40l阳离子交换树脂进行改性的方法,使改性后的树脂具有Fe2+和氯的氧化还原性能,达到了去除水中残留氯含量最低的目的。实验表明,当Fe2+溶液浓度为4045.44 mg/L,反应时间为2 h, pH值为3 ~ 5时。这样树脂中的铁含量为39.648 mg/g。除氯效率可达98%以上,水中余氯低于0.5 mg/L。此外,这种方法不会将其他离子带入水中。提出了一种去除饮用水中有害余氯的新方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Preparation of cation exchange resin of carrying ferrum and its ability of removing residual chlorine from drinking water
This paper described the method of D40l cation exchange resin was modified through ion exchanging in Fe2+ soln. According to this modified resin with the property of that the redox of Fe2+ and chlorine, and achieving the aim of removing the minim content of residual chlorine from the water. The experiments indicate that when the concentration of Fe2+ solution was 4045.44 mg/L, reaction 2 h and the pH value between 3 and 5. In this way the iron content in the resin was 39.648 mg/g. The efficiency of removing chlorine could reach above 98% and the residual chlorine in the water was below 0.5 mg/L. In addition, this method do not bring other ions into the water. A new remarkable method of remove the nocuous residual chlorine from the drinking water was got.
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