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Issue 31, 2011
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Size-dependent CO2 capture in chemically synthesized magnesium oxide nanocrystals

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Abstract

The carbon dioxide storage capacity of magnesium oxide (MgO) particles was examined as a function of particle size, shape, and surface area. Two types of MgO nanocrystals (5 nm spheres and 23 nm disks) were synthesized and compared against commercially available MgO (325 mesh/44 μm and 40 mesh/420 μm). The surface area of the four types of particles was determined by N2 gas adsorption. Carbon dioxide capture was measured at 60 °C and 600 °C using thermogravimetric analysis, with results indicating enhanced CO2 capacity correlating with increased surface area.

Graphical abstract: Size-dependent CO2 capture in chemically synthesized magnesium oxide nanocrystals

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Supplementary files

Article information


Submitted
23 Apr 2011
Accepted
26 May 2011
First published
07 Jun 2011

J. Mater. Chem., 2011,21, 11486-11491
Article type
Communication

Size-dependent CO2 capture in chemically synthesized magnesium oxide nanocrystals

A. M. Ruminski, K. Jeon and J. J. Urban, J. Mater. Chem., 2011, 21, 11486
DOI: 10.1039/C1JM11784J

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