Synthesis of amino functionalized MOFs and their application in the removal of bisphenol
This article synthesized the iron-based metal organic framework material with amino groups by using 2-aminoterephthalic acid(NH2-BDC)and ferric nitrate nonahydrate(Fe(NO3)3·9H2O)as monomers.The amino groups in NH2-MIL-88B(Fe)could form hydrogen bonding interaction with the hydroxyl group in the bisphenos(BPs),providing a basis for effectively removing harmful BPs from the environment.The results showed that the prepared NH2-MIL-88B(Fe)possessed a spindle shaped structure,and its adsorption capacities for bisphenol A,bisphenol B,bisphenol F,bisphenol AF were 273.22,274.73,226.76,408.16 mg·g-1,respectively.The high adsorption capacity of NH2-MIL-88B(Fe)for BPs indicated that it could effectively remove harmful BPs from the environment.The adsorption kinetics were investigated using quasi-first order and quasi-second order kinetic models,and the results showed that the quasi-second order kinetic model could better describe the adsorption process of NH2-MIL-88B(Fe)for BPs.