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| Enhanced adsorptive performance of Congo red by Zn/Ni/Cu-BTC |
| ZHOU Yi-tian, XU Lu-yi, XU Li-wei, DAI Wei |
| College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, China |
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Abstract Zn/Ni/Cu-BTC, a new porous material with three metals and one single-ligand, was synthesized by a hydrothermal synthesis method. The material was characterized by N2 adsorption-desorption, SEM and XRD methods. Its adsorptive performance for anion Congo red was investigated at the normal pressure and temperature (25℃, 1ATM) with batch experiments. The result showed that the Congo red uptake capacity increased more than 98% from 630mg/g to 1250mg/g. The adsorption process of Congo red onto Zn/Ni/Cu-BTC could be effectively described by the pseudo-second-order kinetic model and Langmuir adsorption model.
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Received: 22 October 2018
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