Abstract
The adsorption characteristics of trichloroethylene (TCE) on untreated activated carbon (U‐AC) and plasma‐treated activated carbons (PT‐ACs) were investigated on the basis of adsorption isotherms, differential heat of adsorption and entropy of adsorption to elucidate the difference between the U‐AC and PT‐ACs interactions with TCE. Differences in the amount of TCE adsorbed between U‐AC and PT‐ACs seemed to be attributable to the surface properties and micropore structure of the activated carbon. The interaction of the TCE ‐ PT‐AC surface was stronger than that of the TCE ‐ U‐AC surface. The amount of TCE adsorbed and strength of the TCE ‐ activated carbon binding for the surface of the PT‐AC depended on the hydrophobicity with inner the surface area of the activated carbon, that is, the porosity due to tetrafluoromethane plasma treatment.
Published Version
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