Adsorption of 2-naphthalenesulfonic acid/sulfuric acid/sulfurous acid from aqueous solution by iron-impregnated weakly basic resin: Equilibrium and model

Changhai Li; Dongmei Jia

doi:10.1016/j.cjche.2016.03.007

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Adsorption of 2-naphthalenesulfonic acid/sulfuric acid/sulfurous acid from aqueous solution by iron-impregnated weakly basic resin: Equilibrium and model

第25届中国过程控制会议专栏 | Updated：2026-01-06

- Adsorption of 2-naphthalenesulfonic acid/sulfuric acid/sulfurous acid from aqueous solution by iron-impregnated weakly basic resin: Equilibrium and model
- Chinese Journal of Chemical Engineering Vol. 24, Issue 11, Pages: 1522-1526(2016)
- Affiliations：
  
  2 Research Center of Chemical Engineering and Technology, Binzhou University,Binzhou,China,256603
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.03.007
  CLC：
- Published：2016
- Accepted：
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Changhai Li, Dongmei Jia. Adsorption of 2-naphthalenesulfonic acid/sulfuric acid/sulfurous acid from aqueous solution by iron-impregnated weakly basic resin: Equilibrium and model[J]. Chin.J.Chem.Eng., 2016, 24(11): 1522-1526.
DOI：

Changhai Li, Dongmei Jia. Adsorption of 2-naphthalenesulfonic acid/sulfuric acid/sulfurous acid from aqueous solution by iron-impregnated weakly basic resin: Equilibrium and model[J]. Chin.J.Chem.Eng., 2016, 24(11): 1522-1526. DOI： 10.1016/j.cjche.2016.03.007.

摘要

Abstract

Commercial grade weakly basic resin D301 was impregnated with iron through a simple method using ferric chloride. Experiments for single

bisolute and trinary competitive adsorption were carried out to investigate the adsorption behavior of 2-naphthalenesulfonic acid (NSA)

sulfuric acid and sulfurous acid from their solution at 298K onto the novel hybrid iron impregnated D301(Fe-D301). Adsorption affinity of NSA on Fe-D301 was found to be much higher than that of sulfuric acid

while adsorption affinity of sulfuric acid was slightly higher than that of sulfurous acid. The data of single-solute adsorption were fitted to the Langmuir model and the Freundlich adsorption model. The non-ideal competitive adsorbedmodel coupledwith the single-solute adsorption models were used to predict the bisolute and trinary-solute competitive adsorption equilibria. The NICM coupled with the Langmuir model yields the favorable representation of the bisolute and trinary-solute competitive adsorption behavior.

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