Clay minerals possess better adsorption and ionexchange capacity for their sandwich structure, so exhibit wider application prospect in wastewater treatment.
粘土类矿物因具有独特的层状结构而表现出良好的吸附和离子交换性能，在废水处理中有广阔的应用前景。
2
The local geology favours the retention of contaminants by ion-exchange processes within the clay-rich soils and the shale layer underlying the burial site.