Comparison of Experimental and Simulated Adsorption of Binary Metal Ions using Sawdust Modified by Citric Acid

Title
Comparison of Experimental and Simulated Adsorption of Binary Metal Ions using Sawdust Modified by Citric Acid
Authors
양중석권만재박영태최재영
Keywords
Biosorption; Competitive adsorption; Equilibrium modeling; Heavy metals; Stability constant
Issue Date
2015-01
Publisher
Separation science and technology
Citation
VOL 50, NO 2, 276-285
Abstract
With the aim of removing binary metal ions from aqueous solutions, the adsorption characteristics of sawdust modified with citric acid are investigated using adsorption kinetics and isotherms in both an experiment and a numerical simulation. The adsorption of metal ions is characterized by the competitive adsorption in binary metal ion systems that results from the stability constants between metal ions and citrate in the modified sawdust. These findings suggest that competitive adsorption and the affinities of the metal ion adsorbents play important roles in the removal of metal ions and that the numerical simulation can predict the adsorption characteristics of the modified sawdust.
URI
http://pubs.kist.re.kr/handle/201004/49254
ISSN
01496395
Appears in Collections:
KIST Publication > Article
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