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Preparation of carbon dioxide adsorbents from the chemical activation of urea–formaldehyde and melamine–formaldehyde resins

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2007 Spain English Publisher:Elsevier BVJournal:Fuel, volume 86, pages 22-31 (issn: 0016-2361,

Authors: Drage, Trevor C.; Arenillas de la Puente, Ana; Smith, Karl M.; Pevida García, Covadonga; Piippo, S.; Snape, Colin E.;

doi: 10.1016/j.fuel.2006.07.003

handle: 10261/11015

Preparation of carbon dioxide adsorbents from the chemical activation of urea–formaldehyde and melamine–formaldehyde resins

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Abstract

Adsorption is considered to be one of the more promising technologies for the capture of CO2 from flue gases. In general, nitrogen enrichment is reported to be effective in enhancing the specific adsorbent–adsorbate interaction for CO2. Nitrogen enriched carbons were produced from urea–formaldehyde and melamine–formaldehyde resins polymerised in the presence of K2CO3 as a chemical activation agent, with activation undertaken over a range of temperatures. CO2 adsorption capacity was determined to be dependent upon both textural properties and more importantly nitrogen functionality. Adsorbents capable of capturing above 8 wt.% CO2 at 25°C were produced from the chemical activation of urea–formaldehyde resin at 500°C. Chemical activation seems to produce more effective adsorbents than CO2 activation.

The authors are grateful for support for this work provided by the Research Fund for Coal and Steel (RFC-CR-03008) and for CP a grant from Plan I + D + I Gobierno del Principado de Asturias.

10 pages, 4 figures, 3 tables.-- Available online Aug 14, 2006.

Peer reviewed

Country

Spain

Related Organizations

Spanish National Research Council
Spain
Nottingham Trent University
United Kingdom
Instituto Nacional del Carbón
Spain

Keywords

CO2 adsorbents, Carbon materials, Adsorption

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