Paper Title:
Synthesis of the Water-Compatible P-Aminophenol Resin and its Adsorption for Salicylic Acid
  Abstract

A novel water-compatible hypercrosslinked resin modified by p-aminophenol was synthesized with chloromethylated polystyrene and p-aminophenol by Friedel-Crafts reaction. The objective of this work was to study the adsorption performances for salicylic acid onto p-aminophenol resin. The results showed that the adsorption capacity of salicylic acid onto p-aminophenol resin was superior to XAD-4 resin. It is seen that the maximum adsorption capacity is observed at pH of 3.0. It was found the adsorption dynamics obeyed the pseudo-first-order rate equation and the intra-particle diffusion was the rate-limiting step. The maximum adsorption capacity of salicylic acid for p-aminophenol resin was measured to be 283.7 mg/g with the equilibrium concentration at 404.6mg/L. The micropore structure, the pore diameter of p-aminophenol resin, the hydrogen bond between p-aminophenol resin and salicylic acid bring the larger adsorption capacity.

  Info
Periodical
Advanced Materials Research (Volumes 311-313)
Chapter
Thin Films
Edited by
Zhongning Guo
Pages
1852-1856
DOI
10.4028/www.scientific.net/AMR.311-313.1852
Citation
G. Q. Xiao, X. J. Zhang, "Synthesis of the Water-Compatible P-Aminophenol Resin and its Adsorption for Salicylic Acid", Advanced Materials Research, Vols. 311-313, pp. 1852-1856, 2011
Online since
August 2011
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Price
$32.00
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