Principles of methane adsorption and natural gas storage

The adsorption amount of methane on 16 different kinds of materials at 3.5 MPa and 298 K holds a linear relation with the specific surface area. The linear relationship implies that gases are adsorbed monolayerly on the surface of adsorbents at above-critical temperatures. Determination of surface a...

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Bibliographic Details
Published in:Adsorption : journal of the International Adsorption Society 2009-04, Vol.15 (2), p.133-137
Main Authors: Sun, Yan, Liu, Congmin, Su, Wei, Zhou, Yaping, Zhou, Li
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Engineering Thermodynamics
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Surfaces and Interfaces
Thin Films
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Summary:The adsorption amount of methane on 16 different kinds of materials at 3.5 MPa and 298 K holds a linear relation with the specific surface area. The linear relationship implies that gases are adsorbed monolayerly on the surface of adsorbents at above-critical temperatures. Determination of surface area and calculation of storage capacity of a material are explicitly discussed. It is indicated that methane storage is different from natural gas storage and the difference affects the development of storage material. Natural gas is a mixture and all components other than methane cannot be desorbed when the tank pressure released to atmospheric at ambient temperature, therefore, a storage mechanism other than adsorption might be more suitable.
ISSN:0929-5607
1572-8757
DOI:10.1007/s10450-009-9157-x