Theoretical insight of physical adsorption for a single component Adsorbent+Adsorbate system

Chakraborty Anutosh, Saha Bidyut Baran*, Koyama Shigeru, El Sharkawy Ibrahim Ibrahim, Ng Kim Choon

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The thermodynamic property surfaces for a singlecomponent adsorbent + adsorbate system have been derived and developed from the view point of classical thermodynamics. These thermodynamic frameworks enable us to compute the specific heat capacity, partial enthalpy and entropy for the analyses of adsorption processes thoroughly. A theoretical framework for the estimation of the isosteric heat of adsorption between an adsorbate (vapor) and an adsorbent (solid) is also derived for the thermodynamic requirements of chemical equilibrium, Maxwell relations and the entropy of the adsorbed phase. Conventionally, the specific heat capacity of the adsorbate is assumed to correspond to its liquid phase specific heat capacity and more recently to that of its gas phase. We have shown here that the derived specific heat capacity fills up the information gap with respect to the state of adsorbed phase to dispel the confusion as to what is the actual state of the adsorbed phase.

Original languageEnglish (US)
Title of host publicationEnergy Systems
Subtitle of host publicationAnalysis, Thermodynamics and Sustainability
PublisherAmerican Society of Mechanical Engineers (ASME)
Pages503-512
Number of pages10
Volume6
ISBN (Electronic)0791843009
DOIs
StatePublished - 2007
Externally publishedYes
EventASME 2007 International Mechanical Engineering Congress and Exposition, IMECE 2007 - Seattle, United States
Duration: Nov 11 2007Nov 15 2007

Other

OtherASME 2007 International Mechanical Engineering Congress and Exposition, IMECE 2007
CountryUnited States
CitySeattle
Period11/11/0711/15/07

ASJC Scopus subject areas

  • Mechanical Engineering

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