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C 2015, 1(1), 16-26; doi:10.3390/c1010016

Pentaethylenehexamine-C60 for Temperature Consistent Carbon Capture

1
Energy Safety Research Institute, Swansea University, Bay Campus, Swansea SA1 8QQ, UK
2
Department of Materials Engineering, Federal University of São Carlos, Washington Luís Km 235, Sao Carlos 13569-905, Brazil
3
Polytechnic College, The Federal University of Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Craig E. Banks
Received: 17 September 2015 / Revised: 25 September 2015 / Accepted: 28 September 2015 / Published: 7 October 2015
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Abstract

Fullerene C60 is directly added to and reacted with plain pentaethylenehexamine (PEHA) to give PEHA-functionalized C60 powders. The CO2 capture performance of PEHA-C60 appears to be consistent across a range of temperatures wider than that of polyethyleneimine (PEI)-modified C60, whose high CO2 capture performance drops rapidly with decreasing temperature. At about 30 °C, the CO2 capture capacity of PEHA-C60 is six times higher, 65 mg CO2/g sorbent, than that of PEI-C60, 10 mg/g. In contrast to PEI, PEHA reacts with C60 to form products of greater porosity and smaller particles size that allow for a faster contact between CO2 and amine functions. This in turns translates into a lower energy requirement for CO2 sorption and desorption. View Full-Text
Keywords: CO2 capture; fullerene C60; pentaethylenehexamine CO2 capture; fullerene C60; pentaethylenehexamine
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Fabiano, T.A.; Soares, V.P.; Andreoli, E. Pentaethylenehexamine-C60 for Temperature Consistent Carbon Capture. C 2015, 1, 16-26.

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