Removal of Odor- containing Sulfur Compound, Methyl Mercaptan using Modified Activated Carbon with Various Acidic Chemicals

산으로 개질된 활성탄을 이용한 메틸 메르캅탄 악취물질 제거

  • Kim Dae Jung (Department of Chemistry, University of Utah) ;
  • Seo Seong Gyu (Department of Civil and Environmental Engineering, Yosu National University) ;
  • Kim Sang Chai (Department of Environmental Education, Mokpo National University)
  • 김대중 (유타대학교 화학과) ;
  • 서성규 (여수대학교 건설 환경공학부) ;
  • 김상채 (목포대학교 환경교육과)
  • Published : 2005.04.01


Removal of methyl mercaptan was investigated using adsorption on virgin activated carbon (VAC) and modified activated carbons with acidic chemicals in the present work. CAC, NAC, AAC and SAC were represented as activated carbons modified with HCI, HNO$_{3}$, CH$_{3}$COOH and H$_{2}$S0$_{4}$ ,respectively The pore structures were evaluated using nitrogen isotherm. The surface properties of virgin activated carbon and modified activated carbons were characterized by EA, pH of carbon surface and acid value from Boehm titration. The modification of activated carbon with acidic chemicals resulted in a decrease in BET surface area, micropore volume and surface pH, but an increase in acid value. The order of the adsorption capacity of activated carbons was NAC>AAC>SAC>CAC>VAC, and in agreement with that of acid value of activated carbons, whereas in disagreement with that of micropore volume of activated carbons. It appeared that chemical adsorption played an important role in methyl mercaptan on modified activated carbons with acidic chemicals compared to virgin activated carbon. Modifying activated carbon with acidic chemicals enabled to significantly enhance removal of methyl mercaptan.


  1. Bandosz, T.J. (2002) On the Adsorption/Oxidation of Hydrogen Sulfide on Activated Carbons at Ambinent Temperatures, J. Col. and Inter. Sci. 246, 1-20
  2. Bashkova S., A. Bagreev and T.J. Bandosz (2002a) Dual Role of Water in the Process of Methyl Mercaptan Adsorption on Activated Carbons, Langmuir 18, 8553-8559
  3. Bashkova S., A. Bagreev and T.J, Bandosz (2002b) Effect of Surface Characteristics on Adsorption of Methyl Mercarptan on Activated Carbons, Ind. Eng. Chem. Res. 41, 4346-4352
  4. Bashkova S., A. Bagreev, and T.J. Bandosz (2003) Adsorption/Oxidation of $CH_{3}SH$ on Activated Carbons Containing Nitrogen, Langmuir 19, 6115-6121
  5. Boehm H.P. (1994) Some aspects of the surface chemistry of carbon blacks and other carbons, Carbon 32, 759-769
  6. Donnet J.B. and P. Ehrburger (1977) Carbon fibre in polymer reinforcement, Carbon 31, 143-152 (1977)
  7. EI-Sayed Y. and T.J. Bandosz (2004) Adsorption of valerie acid from aqueous solution onto activated carbons: role of surface basic sites, J. Col. and Inter. Sci. 273, 64-72
  8. Kim D,J., J.W. Kim, J.E. Yie, and H. Moon (2002) Temperature-Programmed Adsorption and Characteristics of Honeycomb Hydrocarbon Adsorbers, Ind. Eng. Chem. Res. 41, 6589-6592
  9. Kim D.J., J.M. Kim, J.E. Yie, S.G. Seo, and S.C. Kim (2004) Adsorption and conversion of various hydrocarbons on monolithic hydrocarbon adsorber, J. Col. and Inter. Sci. 274, 538-542
  10. Otake Y. and R.G. Jenkins (1993) Characterization of oxygen-containing surface complexes created on a microporous carbon by air and nitric acid treatment, Carbon 15, 109-121
  11. Park S.J. and K.D. Kim (1999) Adsorption Behaviors of $CO_{2}$ and $HN_{3}$ on Surface-Treated Activated Carbons, J. Col. and Inter. Sci. 212, 186-189
  12. Salame I.I. and T.J. Bandosz (2001) Surface Chemistry of Activated Carbons: the Results of Tempeature-Programmed Desorption, Boehm, and Potentiometric Titrations, J. Col. and Inter. Sci. 240, 252-258
  13. Tsai C.H., W.J. Lee, C.Y. Chen, and W.T. Liao (2001) Decomposition of $CH_{3}SH$ in a RF Plasma Reactor: Reaction Products and Mechanisms, Ind. Eng. Chem. Res. 40, 2384-2395
  14. Zawadzki J. (1980) IR spectroscopic investigation of the mechanism of oxidation of carbonaceous films with $HNO_{3}$ solution, Carbon 18, 281-285