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Title: Activated Carbons Prepared from Natural and Synthetic Raw Materials with Potential Applications in Gas Separations
Authors: I.P.P. Cansado
P.A.M. Mourão
M.M.L. Ribeiro Carrott
P.J.M. Carrott
Keywords: Adsorção
Issue Date: 2010
Citation: I.P.P. Cansado; P.A.M. Mourão; M.M.L. Ribeiro Carrott; P.J.M. Carrott. Activated Carbons Prepared from Natural and Synthetic Raw Materials with Potential Applications in Gas Separations, Advanced Materials Research , 107, ., 1-7, 2010.
Abstract: A carbon molecular sieve for the purification of a gas mixtures containing O2, N2 and CO2, CH4 was produced from a waste granulated PET by means of a single carbonisation step at 973 K. Activated carbon materials presenting good adsorption capacity and some selectivity for O2/N2 and CO2/CH4 were prepared from granulated PET and cork oak with pore mouth narrowing using CVD from benzene. The diffusion coefficients of O2, N2, CO2 and CH4 in these materials were calculated and are comparable to published values determined on Takeda 3A and on a carbon molecular sieve prepared from PET textile fibres by means of carbonisation and subsequent CVD with benzene. However, the selectivities were not quite as good as those given by Takeda 3A. However, taking into account that this is a first attempt at producing CMS from PET, the results are encouraging, and it is to be expected that further development of the experimental procedure will result in new materials with improved performance
Type: article
Appears in Collections:CQE - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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