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STUDY ON THE ADSORPTION OF PHENOL AND p-CHLOROPHENOL WITH THE ADSORPTION RESIN MODIFIED BY ACETYLANILINE

Zhenghao Fei

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Abstract

The resin(named ZH-05) was prepared through the post-crossing of chloromethyl low crosslinking macroporous poly-styrene resin with acetylaniline and characterized by FT-IR and BET.The adsorption performance and mechanism for phenol and p-chlorophenol with ZH-05 were studied by static and kinetic adsorption experiments and adsorption capability of ZH-05 for phenol and p-chlorophenol were better than that of XAD-4.Langmuir and Freundlich isotherm equation can fit the adsorption isotherm of phenol and p-chlorophenol onto ZH-05 perfectly.Thermodynamics parameters showed that the adsorption was a mainly spontaneous physical adsorption process which driven by enthalpy and the process was exothermic.The pseudo-first-order kinetic adsorption equation can describe the adsorption dynamic behavior perfectly,which meant inner diffusion of the particles was the major controlling step of adsorption process.

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What this paper is about

The resin(named ZH-05) was prepared through the post-crossing of chloromethyl low crosslinking macroporous poly-styrene resin with acetylaniline and characterized by FT-IR and BET.The adsorption performance and mechanism for phenol and p-chlorophenol with ZH-05 were studied by static and kinetic adsorption experiments and adsorption capability of ZH-05 for phenol and p-chlorophenol were better than that of XAD-4.Langmuir and Freundlich isotherm equation can fit the adsorption isotherm of phenol and p-chlorophenol onto ZH-05 perfectly.Thermodynamics parameters showed that the adsorption was a mainly spontaneous physical adsorption process which driven by enthalpy and the process was exothermic.The pseudo-first-order kinetic adsorption equation can describe the adsorption dynamic behavior perfectly,which meant inner diffusion of the particles was the major controlling step of adsorption process.

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Available abstract

The resin(named ZH-05) was prepared through the post-crossing of chloromethyl low crosslinking macroporous poly-styrene resin with acetylaniline and characterized by FT-IR and BET.The adsorption performance and mechanism for phenol and p-chlorophenol with ZH-05 were studied by static and kinetic adsorption experiments and adsorption capability of ZH-05 for phenol and p-chlorophenol were better than that of XAD-4.Langmuir and Freundlich isotherm equation can fit the adsorption isotherm of phenol and p-chlorophenol onto ZH-05 perfectly.Thermodynamics parameters showed that the adsorption was a mainly spontaneous physical adsorption process which driven by enthalpy and the process was exothermic.The pseudo-first-order kinetic adsorption equation can describe the adsorption dynamic behavior perfectly,which meant inner diffusion of the particles was the major controlling step of adsorption process.

Key concepts: Adsorption, Chemistry, Freundlich equation, Phenol, Enthalpy, Langmuir, Diffusion, Exothermic reaction

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STUDY ON THE ADSORPTION OF PHENOL AND p-CHLOROPHENOL WITH THE ADSORPTION RESIN MODIFIED BY ACETYLANILINE — Research Paper | ScholarLens