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The adsorption properties of calcined layered double hydroxide (denoted as CLDH) for perchlorate (ClO 4− ) pollutant from aqueous solution were examined in batch and column model. The influences of chemical composition of adsorbents, adsorbent dose, and co-existing anions on the perchlorate removal in batch model have been investigated. The maximum uptake capacity was obtained at a calcined...
The layered double hydroxides (LDHs) containing nitrate as the interlayer anion has a high anion-exchange capacity in the presence of appropriate anions. In the light of this, ZnAl-NO 3 LDHs have been employed to remove chloride ion from aqueous solution in a batch mode. The influences of conditions for chloride ion uptake, including dosage of LDHs, pH of aqueous solution, and temperature...
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