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Updated: Apr 23, 2026

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
Published on: February 21, 2017
[Adsorption of perchlorate by calcined Mg/Zn/Al layered double hydroxides]
Abstract:
The adsorption capacity of perchlorate by Mg/Zn/Al layered double hydroxides was investigated. The samples were characterized by X-ray diffraction (XRD) and the adsorption isothermal model and dynamic model were discussed. The effect of calcination temperature, Mg/Zn/Al molar ratio, pH value of solution, adsorption time and dosage on the adsorption capacity of samples were studied. The experiment results showed that the removal ratio and adsorption capacity reached the highest and the pH value had good applicability when the molar ratio was Mg/Zn/Al = 2: 1 : 1. The adsorption of perchlorate basically conformed to the pseudo-second kinetics and Langmuir, Freundlich isotherm model.
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