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A Study on the Thermal Adsorption and Desorption Characteristics of Industrial Odorants using Activated Carbon

활성탄을 이용한 산업체 악취물질의 열적 흡탈착 연구

  • Received : 2011.11.22
  • Accepted : 2012.01.25
  • Published : 2012.06.01

Abstract

Desorption reaction characteristics of the commercial activated carbons which were used for the removal of industrial odorants were investigated. BET specific surface area was analyzed to investigate the chemicophysical property of activated carbon. Adsorptivity of activated carbon was estimated by iodine number. Thermogravimetric analyzer (TGA) was used to investigate the desorption characteristics. Activation energies and reaction orders for reaction characteristics according to adsorption and desorption of activated carbons were estimated by employing the Friedman method and Freeman-Carroll method. Adsorptivity of reprocessed activated carbons were significantly lower than that of fresh activated carbons. In this study, it was found that the activation energies were 15.9~23.4 kJ/mol in Friedman method and 22.7~33.8 kJ/mol in Freeman-Carroll method.

Keywords

Activated Carbon;Adsorption Characteristics;Desorption Characteristics;Kinetic Study

References

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Acknowledgement

Supported by : 충남대학교