反应过程中，凹凸棒石八面体阳离子的溶解能诱导重金属共沉淀，在凹凸棒石表面形成双氢氧化物。
During the reaction, the octahedral dissolution of palygorskite induced heavy metal ions coprecipitation forming mixed double hydroxid precipitation on the surface 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。
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.
通过XRD图谱分析，在酸处理过程中，凹凸棒石粘土中大部分白云石组分被去除。
Through XRD and XPS analysis, most of dolomite in palygorskite clay were removed in the acid treatment process.
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