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Angew Chem Int Ed Engl. 2016 Aug 01;55(32):9173-7. doi: 10.1002/anie.201602226. Epub 2016 Jun 23.

Importance of Micropore-Mesopore Interfaces in Carbon Dioxide Capture by Carbon-Based Materials.

Angewandte Chemie (International ed. in English)

Gema Durá, Vitaliy L Budarin, José A Castro-Osma, Peter S Shuttleworth, Sophie C Z Quek, James H Clark, Michael North

Affiliations

  1. Green Chemistry Centre of Excellence, Department of Chemistry, The University of York, York, YO10 5DD, UK.
  2. Universidad de Castilla-La Mancha, Departamento de Química Inorgánica, Orgánica y Bioquímica-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Instituto Regional de Investigación Científica Aplicada-IRICA, 13071, Ciudad Real, Spain.
  3. Departamento de Física de Polímeros, Elastómeros y Aplicaciones Energéticas, Instituto de Ciencia y Tecnología de Polímeros, CSIC, c/Juan de la Cierva 3, 28006, Madrid, Spain.
  4. Green Chemistry Centre of Excellence, Department of Chemistry, The University of York, York, YO10 5DD, UK. [email protected].
  5. Green Chemistry Centre of Excellence, Department of Chemistry, The University of York, York, YO10 5DD, UK. [email protected].

PMID: 27336368 DOI: 10.1002/anie.201602226

Abstract

Mesoporous carbonaceous materials (Starbons®) derived from low-value/waste bio-resources separate CO2 from CO2 /N2 mixtures. Compared to Norit activated charcoal (AC), Starbons® have much lower microporosities (8-32 % versus 73 %) yet adsorb up to 65 % more CO2 . The presence of interconnected micropores and mesopores is responsible for the enhanced CO2 adsorption. The Starbons® also showed three-four times higher selectivity for CO2 adsorption rather than N2 adsorption compared to AC.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: adsorption; carbon dioxide capture; carbon materials; mesoporous materials; separation

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