Adsorption Characteristics of Triclosan on Chitosan/Poly(vinyl alcohol) Composite Nanofibrous Membranes

Si Jia Liu; Ran Xu

doi:10.4028/www.scientific.net/AMM.448-453.134

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 448-453Adsorption Characteristics of Triclosan on...

Adsorption Characteristics of Triclosan on Chitosan/Poly(vinyl alcohol) Composite Nanofibrous Membranes

Abstract:

Chitosan/Poly (vinyl alcohol) (CS/PVA) composite nanofibrous membranes with diameter between 150-350 nm have been fabricated by electrospinning. The effect of contact time, temperature, pH and concentration of triclosan on the adsorption capacity of the membranes were investigated. The equilibrium adsorption capacity of triclosan on CS/PVA nanofibrous membranes was 61.61 mg/g. The favorable pH for triclosan adsorption was pH 6. After five regeneration cycles, the removal rate of triclosan maintained above 67%. The adsorption of triclosan on the membranes fitted both Freundlich and Langmuir isotherm model. Its adsorption kinetics followed a pseudo-second-order model.