Since it was discovered in the 19th century, few attention has been paid on the adsorption mechanism of heavy metal ions to the long-term reaction of heavy metal ions and palygorskite.

• 凹凸棒石是一种链层状镁铝硅酸盐矿物,早在19世纪就已被发现,但是至今该矿物在重金属离子吸附机理及纯凹凸棒石与重金属长期作用方面的研究仍较少。