铁铝复合材料对水中三价砷的去除效果研究

发布时间：2018-06-22 08:14

  本文选题：三价砷 + 铁铝复合材料　； 参考：《矿冶工程》2017年02期

【摘要】：合成了铁铝复合材料吸附剂,并比较了其与酸改活性炭、陶粒、类水滑石3种吸附材料对含砷废水中As(Ⅲ)的去除效果。结果表明,铁铝复合材料对水中三价砷的吸附效果好于其它3种吸附材料,吸附率大于89%。铁铝复合材料对水中As(Ⅲ)的吸附符合Langmuir等温模型和Freundlich等温模型,吸附作用力既涉及离子交换和静电吸引,又涉及表面配位作用。
[Abstract]:The effect of 3 adsorbents on As (III) in arsenic containing wastewater was compared with acid modified activated carbon, ceramsite and hydrotalcite. The results showed that the adsorption of trivalent arsenic in water was better than that of other 3 kinds of adsorbents, and the adsorption rate was greater than the absorption of As (III) in water with 89%. iron and aluminum composites. With the Langmuir isothermal model and Freundlich isothermal model, the adsorption force involves ion exchange and electrostatic attraction as well as surface coordination.
【作者单位】： 湖南农业大学资源环境学院;湖南农业大学生物科学技术学院;
【基金】：国家重点研发计划项目(2016YFC0403002) 湖南省科技计划项目(2015WK3016)
【分类号】：TB331;X703
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本文编号：2052192