Adsorption of light alkanes on coconut nanoporous activated carbon
AUTOR(ES)
Walton, K. S., Cavalcante Jr., C. L., LeVan, M. Douglas
FONTE
Brazilian Journal of Chemical Engineering
DATA DE PUBLICAÇÃO
2006-12
RESUMO
This paper presents experimental results for adsorption equilibrium of methane, ethane, and butane on nanoporous activated carbon obtained from coconut shells. The adsorption data were obtained gravimetrically at temperatures between 260 and 300K and pressures up to 1 bar. The Toth isotherm was used to correlate the data, showing good agreement with measured values. Low-coverage equilibrium constants were estimated using virial plots. Heats of adsorption at different loadings were also estimated from the equilibrium data. Adsorption properties for this material are compared to the same properties for BPL activated carbon and BAX activated carbon.
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