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Faradonbe MR, Dadkhah AA , Rashidi A, Tasharofi S, Mansourkhani F; Newly MOF-Graphene Hybrid Nanoadsorbent for Removal of Ni(II) from Aqueous Phase, J Inorg Organomet Polym (2017). DOI: 10.1007/s10904-017-0737-z


Cu(tpa)·(DMF) (Cu terephthalic acid Dimethyl formamide) MOF-5 and its hybrids have been successfully synthesized by hydrothermal method and have been used as a nano adsorbent for heavy metal removal from waste water. The present work focuses on the transient adsorption of Ni(II) by Cu(tpa)·(DMF)MOF-5 and its hybrid with different graphene concentrations. MOF-5 was synthesized by terephthalate ligand and copper cores. Adsorption experiments were accomplished in initial concentration of Ni(II) 300 ppm and 100 ml volume of solution, 25 mg of adsorbent and Room temperature. The XRD analysis of synthesized nano adsorbent (MOF-5 and all other hybrids) are compared to analyze the main factors and features. The results of scanning electron microscopy (SEM) of MOF-5 and MOF-5–Graphene hybrid 30% show that graphene layers behave as dividers and place between platelets of MOF-5Cu. Removal percentage of Ni(II) by various adsorbents, MOF-5Cu, 10% hybrid of MOF-5Cu–Graphene, 20% hybrid, 30% hybrid, 40% hybrid are approximately, 85, 86, 90, 96, 94%, respectively. Also, pseudo first and second order kinetic models studied to obtain the adsorption treatment of MOF-5Cu–Graphene hybrid 30% and it is found that the pseudo second order kinetic model is more reasonable for this adsorbent. Our results indicate that MOF-5Cu and its hybrid with graphene have great potential in removing Ni(II) ions from aqueous environment.


Graphene MOF-5 Hybrid Heavy metal Ni(II) 

Rabiee Faradonbeh, M., Dadkhah, A.A., Rashidi, A. et al. J Inorg Organomet Polym (2017)

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