NDLI: Comments on practical use of Langmuir gas adsorption isotherm model

Content Provider	Springer Nature Link
Author	Sircar, Shivaji
Copyright Year	2016
Abstract	The physical and thermodynamic characteristics of the Langmuir adsorption isotherm model for pure gas and gas mixtures as well as the constraints on the saturation adsorption capacity of the gases by this model are discussed. Arbitrary violation of these constraints, viz. temperature dependence of the saturation capacity and unequal saturation capacities for the components of a mixed gas, may lead to unrealistic heat of adsorption and unreliable predictions of mixed gas equilibria. Several physically and thermodynamically consistent analytical models for pure and mixed gas adsorption isotherms, which were developed using the Langmuir model as backbone, and which account for unequal -sized adsorbates, lateral interactions between adsorbed molecules, multi-layer adsorption, and adsorbent heterogeneity, are briefly reviewed. These models can be practically very useful to describe experimental isotherm data and for adsorptive process modeling.
Starting Page	121
Ending Page	130
Page Count	10
File Format	PDF
ISSN	09295607
Journal	Adsorption
Volume Number	23
Issue Number	1
e-ISSN	15728757
Language	English
Publisher	Springer US
Publisher Date	2016-12-02
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Langmuir gas adsorption model Physical and thermodynamic consistencies Restrictions on model parameters Beyond Langmuir Industrial Chemistry/Chemical Engineering Surfaces and Interfaces, Thin Films Engineering Thermodynamics, Heat and Mass Transfer
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering Surfaces and Interfaces

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