Abstract
Study on adsorption kinetics and thermodynamics of methylene blue by AB-8 macroreticular resin was carried out through static experiments. The results showed that the adsorption rate for the solute appear to be the first order kinetics, the intraparticle diffusion is the main rate-controlling step. In the experimental temperature, thermodynamic studies indicated that methylene blue adsorption onto resin AB-8 conforms to Langmuir and Freundlich adsorption isotherm. Methylene blue adsorption quantity respectively 30 mg/L, 150 mg/L, and 300 mg/L . The adsorption enthalpy change is 40.3 kJ/moL , 39.2 kJ/moL , and 33.6 kJ/moL respectively. The uptake of salicylic acid on AB-8 macroreticular resin is a type of physical adsorption.
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