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Materials 2013, 6(10), 4641-4653; doi:10.3390/ma6104641
Article

CO2 Separation and Capture Properties of Porous Carbonaceous Materials from Leather Residues

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1 Departamento de Química Orgánica, Universidad de Córdoba, Edif. Marie Curie, Ctra Nnal IV-A, Km 396, Córdoba E14014, Spain 2 Instituto Nacional del Carbón, CSIC, Apartado 73, Oviedo 33080, Spain 3 Max Planck Institute for Colloids and Interfaces, Department of Colloid Chemistry, Science Park Golm, Potsdam 14424, Germany 4 Institut de Quiımica Avancada de Catalunya (IQAC)—Consejo Superior de Investigaciones Cientıficas (CSIC), C/Jordi Girona, 18–26, Barcelona 08034, Spain
* Author to whom correspondence should be addressed.
Received: 2 September 2013 / Revised: 3 October 2013 / Accepted: 9 October 2013 / Published: 18 October 2013
(This article belongs to the Section Porous Materials)
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Abstract

Carbonaceous porous materials derived from leather skin residues have been found to have excellent CO2 adsorption properties, with interestingly high gas selectivities for CO2 (α > 200 at a gas composition of 15% CO2/85% N2, 273K, 1 bar) and capacities (>2 mmol·g−1 at 273 K). Both CO2 isotherms and the high heat of adsorption pointed to the presence of strong binding sites for CO2 which may be correlated with both: N content in the leather residues and ultrasmall pore sizes.
Keywords: CO2 sequestration; leather residues; carbon materials; porous materials CO2 sequestration; leather residues; carbon materials; porous materials
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Bermúdez, J.M.; Dominguez, P.H.; Arenillas, A.; Cot, J.; Weber, J.; Luque, R. CO2 Separation and Capture Properties of Porous Carbonaceous Materials from Leather Residues. Materials 2013, 6, 4641-4653.

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