Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 203, Issue -, Pages 341-347Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2011.12.036
Keywords
MgO based mesoporous alumina adsorbent; CO2 capture at high temperature; Flue gas; Environment protection
Categories
Funding
- NSFC [20873059, 21173117]
- MSTC [2008AA06Z327]
- Analysis Center of Nanjing University
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A novel MgO-based porous adsorbent has been synthesized in a facile co-precipitation method for the first time, in order to provide a candidate for trapping CO2 in flue gas at high temperature. The resulting composite exhibits a mesoporous structure with a wide pore size distribution, due to the even dispersion and distribution of microcrystalline MgO in the framework of alumina to form a concrete-like structure. These sorbents can capture CO2 at high temperature (150-400 degrees C), possessing high reactivity and stability in cyclic adsorption-desorption processes, providing competitive candidates to control CO2 emission. (C) 2011 Elsevier B.V. All rights reserved.
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