Since it was discovered in the 19th century, few attention has been paid on the adsorption mechanism of heavy metal ions to the mineral and kinetics of acid-dissolution of 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和纯凹凸棒石酸溶动力学方面的研究仍较少。