处理高浓度氨氮废水的阳离子交换树脂筛选

被引：26

作者：

李红艳

李亚新

孙东刚

机构：

[1] 太原理工大学环境科学与工程学院

来源：

化工学报 | 2008年 / 09期

关键词：

氨氮废水; 离子交换树脂; 筛选; 吸附等温线;

D O I：

暂无

中图分类号：

X703.1 [技术方法];

学科分类号：

083002 ;

摘要：

目前树脂种类繁多,给处理高浓度氨氮废水的树脂选型带来困难。根据离子交换理论,利用001×7、D61和D001三种阳离子交换树脂,模拟研究了氮肥厂废水(氨氮浓度为915mg·L-1)氨氮的吸附等温式,在30～50min内三种树脂对氨氮的吸附基本可达到平衡,吸附等温线均符合Freundlich吸附模式;进而研究了这三种树脂对废水中氨氮吸附的选择性系数、工作交换容量和离子交换速率。结果表明,用D61树脂处理含高浓度氨氮的废水效果较为理想,可以相对较少的用量,使处理后水质达到相关排放标准的要求。

引用

页码：2339 / 2345

页数：7

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