2004•Ion Exchange and AdsorptionRequires access

STUDY ON THERMODYNAMIC PROPERTIES FOR ADSORPTION OF o-PHTHALIC ACID FROM AQUEOUS SOLUTION BY MACRORETICULAR RESIN

Zhang Quanxlng

Abstract

Study on adsorption thermodynamics of o-Phthalic acid by NDA-150, ND-99 and ND-900 macroreticular resin was carried out through static experiments. The results showed that the adsorption date fit the Freundlich and Langmuir adsorption isotherm well. Adsorption of o-Phthalic acid on each adsorbent is suggested an exothermic sorption process which runs spontaneously.

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Key concepts: Chemistry, Phthalic acid, Adsorption, Freundlich equation, Aqueous solution, Sorption, Langmuir, Exothermic reaction