吸附法去除地下水铁锰的研究进展

Advances in Removal of Iron and Manganese from Groundwater by Adsorption Method

为了解决地下水铁、锰含量过高的问题,在众多研究方法中,吸附法由于具有容量大、耗能少、污染小、去除快和可循环等优点,被广泛应用于地下水除铁除锰中。重点介绍了锰砂、沸石、火山岩、生物质、活性炭和硅碳素等吸附剂的吸附原理与吸附效果,阐述了一部分吸附剂的改性效果与影响因素。指出了各种吸附剂未来的改进方法和研究方向:锰砂可以通过改性来弱化p H值等影响因素对它的吸附影响,沸石和火山岩的研究重心可继续放在改性上,重点研究污染区域的生物质的吸附效果,研究硅碳素与其他吸附剂联合吸附的效果。

In order to solve the problem of high contents of iron and manganese in groundwater,the adsorption method has been widely used due to its advantages of large capacity,small energy consumption,low pollution,fast removal efficiency,and recycled usage. We introduce the principle and effectiveness of adsorption using manganese sand,zeolite,volcano rock,biomass,activated carbon and silicon carbon adsorbents,and expound the modification result and influence factors of some adsorbents. Also we point out the improvements and research directions of the adsorbents： manganese sand can be modified to weaken the influence of p H and other factors on the adsorption;the research focus of zeolite and volcanic rock remains on the modification; the adsorption effect of biomass in the polluted area should be emphasized; silicon carbon adsorbents can be used together with other adsorbents.