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AuthorAl-Muhtaseb, Shaheen A.
Available date2022-11-28T08:18:27Z
Publication Date2010
Publication NameJournal of Chemical and Engineering Data
ResourceScopus
Resource2-s2.0-75449088287
URIhttp://dx.doi.org/10.1021/je900350k
URIhttp://hdl.handle.net/10576/36736
AbstractDate pits were used to produce a highly porous activated carbon. The resulting date-pit activated carbon was used in a volumetric adsorption apparatus to measure the vapor-phase adsorption and desorption of nitrogen, methane, ethane, and ethylene over a wide range of pressure and at temperatures of (30, 45, and 60) °C. Being characterized with a relatively high surface area, the synthesized date-pit activated carbon exhibited a satisfactory capacity for adsorbing the various tested gases. However, the desorption of these gases exhibited a hysteresis phenomenon, especially at low temperatures. A Langmuir type model was proposed for fitting both the adsorption and the desorption data with hysteresis, and the corresponding isosteric heats of adsorption and desorption were estimated and compared.
Languageen
PublisherAmerican Chemical Society
SubjectAdsorption
Carbon
Desorption
Hydrocarbons
Porous materials
TitleAdsorption and desorption equilibria of nitrogen, methane, ethane, and ethylene on date-pit activated carbon
TypeArticle
Pagination313-319
Issue Number1
Volume Number55
dc.accessType Abstract Only


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