The Adsorption of 2,4-binitro-phenol in Aqueous Solutions by Polyamide

Abstract

Abstract: The properties,optimal conditions and influencing factors for polyamide resin to adsorb 2,4-binitro-phenol from aqueous solutions have been investigated.The results show that polyamide has a better adsorption capability,and that the pH value is the main factor affecting adsorption;the initial rate of 2,4-binitro-phenol adsorption on polyamide is faster,and the middle rate is second-order with respect to its concentration.The adsorption process in solution exhibits Freundlich behavior and is mainly physical adsorption.The 2,4-binitro-phenol adsorbed on the resin can be eluted by 1% ammoniac solution quickly.

Key words: polyamide, 2,4-binitro-phenol, adsorption

XIE Zu-Fang, XIA Jin-Hong. The Adsorption of 2,4-binitro-phenol in Aqueous Solutions by Polyamide[J]. journal6, 2002, 23(1): 69-73.

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The Adsorption of 2,4-binitro-phenol in Aqueous Solutions by Polyamide

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