Abstract
This exploratory research focused on the adsorption of Sr(II) on the sodium dodecyl sulfate modified palygorskite (SDS/Pal). The ion exchange reactions existed, and the elements Mg, Al, Si and Fe on the Pal were exchanged by element Sr(II). The adsorption process could be well described by the pseudo-second-order kinetics and Langmuir model. The adsorption capacity increased from 24.91 to 61.87 mmol g−1 with the increase of initial concentration from 10.0 to 100.0 mg L−1. SDS/Pal is potential for the adsorption of Sr(II) from aqueous solution.
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