Journal
DESALINATION AND WATER TREATMENT
Volume 54, Issue 1, Pages 93-102Publisher
DESALINATION PUBL
DOI: 10.1080/19443994.2014.883331
Keywords
Metal-organic framework (MOF); Adsorption; Endocrine disrupting chemicals (EDCs); Kinetics; Bisphenol A(BPA)
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Funding
- National Natural Science Foundation of China [41003040]
- Natural Science Foundation of Tianjin, P.R. China [10JCYBJJC06000]
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Adsorptive removal of bisphenol A (BPA) from aqueous solution has been studied over two highly porous metal-organic frameworks (MIL-101(Cr) and MIL-100(Fe)) in view of the adsorption kinetics, adsorption isotherm, effect of initial pH and effect of ionic strength. The adsorption kinetics fit pseudo-second-order kinetic model well and the adsorption isotherms follow the Langmuir model. The adsorption kinetics and capacity of BPA over MIL-101(Cr) generally depend on the average pore size and specific surface area (or pore volume), respectively. The adsorption mechanism may be explained with pi-pi interaction and hydrogen bonding between BPA and MIL-101(Cr). Finally, it can be suggested that metal-organic frameworks possessing high porosity and large pore size can be used as potential adsorbents to remove harmful endocrine disrupting chemicals in contaminated water.
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