Methane Adsorption Storage Using Microporous Carbons Obtained from Coconut Shells

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dc.contributor.authorMoises Bastos-Neto
dc.contributor.authorEurico B.Torres, A.
dc.contributor.authorDiana C.S. Azevedo
dc.contributor.authorCelio L. Cavalcante JR.
dc.date.accessioned2014-05-09T06:22:50Z
dc.date.available2014-05-09T06:22:50Z
dc.date.issued2005
dc.description.abstractThis paper presents an experimental and theoretical study of the adsorption equilibria of methane on activated carbon, focusing on the accurate determination of the absolute adsorbed mass from raw gravimetric measurements performed at high pressures (above 0.1 MPa). Two carbon samples were selected for these studies: a commercial sample (SRD-21) and a sample prepared in laboratory from coconut shells (CAQF-30). A gravimetric set up was used to measure the adsorption properties. Methane isotherms were obtained in the pressure range of 1 to 70 bar and under temperatures from 10 to 80.C. Equilibrium experimental data were evaluated with the aid of three approaches labeled as D, DD and DDA, the latter being proposed for the first time in this paper. The DDA approach provided consistent and physically meaningful results for the adsorbed phase density. The adsorption isotherm that was obtained following the DDA approach matched those obtained following an approach published in the literature. The results indicate that the CAQF-30 sample, despite being prepared from carbonaceous wastes, presents competitive values for the methane adsorption parameters when compared to the commercial sample.en_US
dc.identifier.citationAdsorption 11: 911–915, 2005en_US
dc.identifier.urihttp://hdl.handle.net/123456789/1092
dc.language.isoenen_US
dc.publisherSpringer Scienceen_US
dc.subjectgas storageen_US
dc.subjectcarbonen_US
dc.subjectadsorptionen_US
dc.subjectgravimetric measurementsen_US
dc.subjectbuoyancyen_US
dc.titleMethane Adsorption Storage Using Microporous Carbons Obtained from Coconut Shellsen_US
dc.typeArticleen_US

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