Journal
RSC ADVANCES
Volume 4, Issue 66, Pages 35124-35130Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra05772d
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Funding
- Public Projects of Zhejiang Province of China [2013C31093]
- Zhejiang Qianjiang Talent Project [QJD1302014]
- Open Research Fund of Top Key Discipline of Chemistry in Zhejiang Provincial Colleges
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials (Zhejiang Normal University)
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A new type of metal-organic porous material (Ni/Cu-BTC) has been successfully synthesized by a solvothermal approach for the first time. The as-synthesized materials were characterized using XRD, SEM, ICP, and TGA analyses and N-2 adsorption at 77 K. The Ni/Cu-BTC was applied to the adsorption of anionic dye congo red (CR) from aqueous solution, and from the experimental data, adsorption kinetics and isotherms were obtained. The results showed that a pseudo-second-order kinetic model and the Langmuir adsorption isotherm matched well for the adsorption of CR onto Ni/Cu-BTC. Thermodynamic parameters including free energy, enthalpy, and entropy of adsorption were obtained, and all the results were favorable for the adsorption. Compared with other adsorbents reported in the literature, Ni/Cu-BTC demonstrated a superior CR dye adsorption capability. The results of the present study substantiate that Ni/Cu-BTC is a promising adsorbent for the removal of the dye from wastewater.
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