Abstract
Electrically regenerable carbon contained porous ceramic fiber media have been prepared for adsorption/regeneration system. The effect of carbon coating methods on the electrothermal properties of the media was studied by investigating electrical resistivity, and adsorption and electrothermal desorption behavior of gaseous adsorbates. At the similar levels of carbon content, the electrical resistivity of the media produced from mixtures of ceramic fiber and phenolic resin powder was almost one order of magnitude lower than the value of those produced by infiltration of liquid phenolic resin into porous ceramic body. In situ thermal desorption and adsorption experiments show that the adsorption abilities of the media apparently depended on the Brunauer-Emmett-Teller surface area of carbon.
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