Sorption of Heavy Metal on Natural Clay
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Sorption of heavy metals on Na-montmorillonite was studied as a function of solution pH and different concentrations of background electrolyte and also a function of added metal ion at constant pH. Equilibrium isotherms have been measured and analyzed using a Langmuir isotherm model. The metal ions were predominantly adsorbed on the permanent charge sites in a easily replaceable state. There was also evident a substantial involvement of the hydroxyl groups on the edges of Na-montmorillonite in specific adsorption of the cations especially at higher pH.
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2011 ◽
Vol 343-344
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pp. 340-343
2021 ◽
2022 ◽
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2013 ◽
Vol 664
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pp. 369-373
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2021 ◽
Vol 18
(6)
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pp. 3050
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