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Adsorption of volatile organic compounds using activated carbon fiber filter in the automobiles
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  • Journal title : Carbon letters
  • Volume 15, Issue 3,  2014, pp.203-209
  • Publisher : Korean Carbon Society
  • DOI : 10.5714/CL.2014.15.3.203
 Title & Authors
Adsorption of volatile organic compounds using activated carbon fiber filter in the automobiles
Moon, Hyung Suk; Kim, In Soo; Kang, Sin Jae; Ryu, Seung Kon;
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The adsorption of volatile organic compounds (VOCs) was carried out using an activated carbon fiber (ACF) filter in an automobile. The adsorption capacities of formaldehyde, toluene, and benzene on an ACF filter were far better than those of a polypropylene (PP) mat filter and combined (PP+activated carbon) mat filter by batch adsorption in a gas bag. In a continuous flow of air containing toluene vapor through an ACF packed bed, the breakpoint time was very long, the length of the unused bed was short, and sharp "S" -type breakthrough curve was plotted soon after breakpoint, showing a narrow mass transfer zone of toluene on the ACF. The adsorption amount of toluene on the ACF filter was proportional to the specific surface area of the ACF; however, the development of mesopores 2-5 nm in size on the ACF was very effective with regard to the adsorption of toluene. The ACF air clarifier filter is strongly recommended to remove VOCs in newly produced automobiles.
adsorption;volatile organic compounds;activated carbon fiber filter;breakpoint;mesopores;
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