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Enhancement of Efficiency of Activated Carbon Impregnated Chitosan for Carbon Dioxide Adsorption
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  • Journal title : Environmental Engineering Research
  • Volume 19, Issue 3,  2014, pp.289-292
  • Publisher : Korean Society of Environmental Engineering
  • DOI : 10.4491/eer.2014.S1.008
 Title & Authors
Enhancement of Efficiency of Activated Carbon Impregnated Chitosan for Carbon Dioxide Adsorption
Patkool, Chaiwat; Chawakitchareon, Petchporn; Anuwattana, Rewadee;
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The effect of carbon dioxide () on global warming is serious problem. The adsorption with solid sorbents is one of the most appropriate options. In this study, the most interesting adsorbent is granular activated carbon (GAC). It is suitable material for adsorption because of its simple availability, many specific surface area, and low-cost material. Afterwards, GAC was impregnated with chitosan solution as impregnated granular activated carbon (CGAC) in order to improve the adsorption capacity of GAC. This research aims to compare the physical and chemical characteristics of GAC and CGAC. The experiment was carried out to evaluate the efficiency of adsorption between GAC and CGAC. The results indicated that the iodine number of GAC and CGAC was 137.17 and 120.30 mg/g, respectively. The Brunauer-Emmett-Teller results (BET) of both GAC and CGAC show that specific surface area was 301.9 and , respectively; total pore volume was 0.16 and , respectively; and mean diameter of pore was 2.18 and 2.15 nm, respectively. Finally, the adsorption results of both GAC and CGAC in single column how the maximum adsorption capacity was 0.17 and 0.25 mol/kg, respectively; how degeneration time was 49.6 and 80.0 min, respectively; and how the highest efficiency of adsorption was 91.92% and 91.19%, respectively.
Carbon dioxide adsorption;Chitosan;Global warming;Granular activated carbon;
 Cited by
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