Abstract
As a kind of ideal porous absorbents with tunable porosity, large surface areas, and hydrophobicity, conjugated microporous polymers (CMPs) have recently received extensive attention in oil/organic solvent-water separation. However, reports on the application of CMPs in adsorption of erythromycin (ERY) from water are very few. In this work, the adsorption of ERY by three kinds of CMPs was firstly studied. It was observed that all the CMPs extracted ERY quickly from water. The adsorption kinetics of ERY on the three CMPs was well expressed by the pseudo-second-order model, and the adsorption process was found to be mainly controlled by film diffusion. Increasing surface area of the CMPs resulted in greater extent of adsorption. This work may provide fundamental guidance for removal of antibiotics by CMPs.
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