Structural characterization of carbonaceous combustion-chamber deposits

The structural properties of combustion-chamber deposits (CCDs) are studied by combining molecular simulation of adsorption in a set of model pores with experimental adsorption measurements, using ethane as the adsorptive. The implemented approach is a modification of the common method used to deter...

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Bibliographic Details
Published in:Carbon (New York) 2009-11, Vol.47 (14), p.3322-3331
Main Authors: Pinto da Costa, J.M.C., Cracknell, R.F., Sarkisov, L., Seaton, N.A.
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fullerenes and related materials
diamonds, graphite
General and physical chemistry
Materials science
Physics
Porous materials
Specific materials
Surface physical chemistry
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Summary:The structural properties of combustion-chamber deposits (CCDs) are studied by combining molecular simulation of adsorption in a set of model pores with experimental adsorption measurements, using ethane as the adsorptive. The implemented approach is a modification of the common method used to determine the pore size distribution (PSD) of manufactured carbon adsorbents, changed in order to take into account the higher degree of chemical and physical heterogeneity of CCDs. The realism of the PSD obtained is demonstrated by accurately predicting adsorption under a range of conditions. The general applicability of the method is tested by transferring a characteristic parameter of CCDs (and different from the corresponding parameter in manufactured carbon adsorbents) from one sample to another.
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2009.07.053