2016
DOI: 10.1051/e3sconf/20161000011
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Sequestration of carbon dioxide – influence of coal surface chemistry

Abstract: Abstract. The physical gas adsorption is a widely used method for the characterisation of the solids porosity. The water steam, primarilydue to its physicochemical properties and ease of use in the experiment has great potential as a sorbate. When applied to coal, water steam allows to determine the quantity of primary adsorption centers as measurement of interaction of molecules adsorbed to the surface of the adsorbent. In order to determine the adsorption capacity and the chemical nature of the coal surface,… Show more

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Cited by 1 publication
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“…The physical and chemical adsorption processes may occur simultaneously. Physical adsorption under the research conditions can occur because of the large fly ash surface area, as well as the unburned coal present [150]. Undoubtedly, physical contact at the interface allows a significant interaction between CO2 molecules and the ash surface, contributing to the intensification of the carbonation process.…”
Section: Resultsmentioning
confidence: 99%
“…The physical and chemical adsorption processes may occur simultaneously. Physical adsorption under the research conditions can occur because of the large fly ash surface area, as well as the unburned coal present [150]. Undoubtedly, physical contact at the interface allows a significant interaction between CO2 molecules and the ash surface, contributing to the intensification of the carbonation process.…”
Section: Resultsmentioning
confidence: 99%