2009•Chemistry worldRequires access

Study on Adsorption Thermodynamics and Kinetics of m-Nitrophenol on Bifunctional Adsorption Resin

Haiyan Xu

Abstract

The adsorption m-nitrophenol on XAD-4,NDA-88,NDA-99 and NDA-150 resins was studied.The results of static equilibrium adsorption showed that bifunctional adsorption resins NDA-88 and NDA-99 have a higher adsorption capacity. The adsorption thermodynamics of m-nitrophenol on NDA-88 resin was studied.The results fit well into the Freundlich adsorption isotherm showing that the adsorption capacity goes up when the temperature goes down.The results of dynamic adsorption showed that the adsorption velocity increases with temperature.

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Key concepts: Adsorption, Chemistry, Freundlich equation, Bifunctional, Thermodynamics, Kinetics, Nitrophenol, Chromatography