NDLI: Kinetic models assessment for swelling of coal induced by methane and carbon dioxide sorption

Content Provider	Springer Nature Link
Author	Czerw, Katarzyna Zarębska, Katarzyna Buczek, Bronisław Baran, Paweł
Copyright Year	2016
Abstract	The ability of five kinetic equations to describe the sorption kinetics and expansion rate of solid coal samples was investigated. The conducted experiment included the measurements of sorption of methane and carbon dioxide on cuboidal hard coal samples at high pressure using volumetric method. Simultaneously the kinetics of coal sorption induced swelling was monitored. All of the approaches used to fit the experimental sorption and dilatometric data were literature-based equations. Two equations represent the traditional approach for sorption on powder and grain fractions based on the bidisperse gas transport model, and have been used to interpret and quantify the observed gas uptake rates in coal. The other three kinetic equations are the pseudo-second-order kinetic equation, Elovich equation, and stretched exponential (SE) equation. Four of the five equations are suitable to describe the kinetics of methane and carbon dioxide sorption in the porous structure of solid coal samples and the kinetics of coal expansion that accompany the sorption processes. The SE equation gave the best fit to the experimental data.
Starting Page	791
Ending Page	799
Page Count	9
File Format	PDF
ISSN	09295607
Journal	Adsorption
Volume Number	22
Issue Number	4-6
e-ISSN	15728757
Language	English
Publisher	Springer US
Publisher Date	2016-02-05
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hard coal Sorption kinetics Methane sorption Carbon dioxide sorption Coal swelling 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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