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Synthesis of Sintering-Resistant Sorbents for CO2 Capture

Liu, Wenqiang ; Feng, Bo ; Wu, Yueqin ; Wang, Guoxiong ; Barry, John ; Diniz da Costa, João C

Environmental science & technology, 2010-04, Vol.44 (8), p.3093-3097 [Periódico revisado por pares]

Washington, DC: American Chemical Society

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Título:
Synthesis of Sintering-Resistant Sorbents for CO2 Capture
Autor: Liu, Wenqiang ; Feng, Bo ; Wu, Yueqin ; Wang, Guoxiong ; Barry, John ; Diniz da Costa, João C
Assuntos: Adsorption ; Applied sciences ; Atmospheric pollution ; Carbon Dioxide - chemistry ; Exact sciences and technology ; General processes of purification and dust removal ; Microscopy, Electron ; Pollution ; Prevention and purification methods ; Remediation and Control Technologies ; X-Ray Diffraction
É parte de: Environmental science & technology, 2010-04, Vol.44 (8), p.3093-3097
Notas: ObjectType-Article-1
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Descrição: Sorbents for high temperature CO2 capture are under intensive development owing to their potential applications in advanced zero emission power, sorption-enhanced steam methane reforming for hydrogen production and energy storage systems in chemical heat pumps. One of the challenges in the development is the prevention of sintering of the sorbent (normally a calcium oxide derivative) which causes the CO2 capture capacity of the material to deteriorate rapidly after a few cycles of utilization. Here we show that a simple wet mixing method can produce sintering-resistant sorbents from calcium and magnesium salts of d-gluconic acid. It was found that calcium oxide was well distributed in the sorbents with metal oxide nanoparticles on the surface acting as physical barriers, and the CO2 capture capacity of the sorbents was largely maintained over multiple cycles of utilization. This method was also applied to other organometallic salts of calcium and magnesium/aluminum and the produced sorbents showed similarly high reversibility.
Editor: Washington, DC: American Chemical Society
Idioma: Inglês

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Synthesis of Sintering-Resistant Sorbents for CO2 Capture

Liu, Wenqiang ; Feng, Bo ; Wu, Yueqin ; Wang, Guoxiong ; Barry, John ; Diniz da Costa, João C

Washington, DC: American Chemical Society

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