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Type
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Journal
Article
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Author
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Federica
Raganati
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|
Author
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Paola
Ammendola
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|
URL
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Publication
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Particuology
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Date
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March
2015
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Abstract
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Because
of its low energy requirements, adsorption using solid sorbents has the potential
to complement or replace current absorption technology. Among commercially
available adsorbent materials, attention is focused on activated carbons,
because they are easily regenerable by reason of their low heat of
adsorption. Such sorbents are available in the form of fine powders.
Sound-assisted fluidization can process large amounts of fine powders,
promoting and enhancing CO2 capture on fine sorbents, because it maximizes
gas–solid contact.
Temperature swing adsorption (TSA), consisting of inducing sorbent regeneration and CO2 recovery by appropriate temperature increase and gas purge, is one of the most promising techniques. Researchers studied the CO2 desorption process by TSA in a sound-assisted fluidized bed of fine activated carbon. They conducted desorption tests under ordinary and sound-assisted fluidization conditions to determine the ability of sound to promote and enhance the desorption efficiency in terms of CO2 recovery, CO2 purity, and desorption time. Results revealed that the application of sound results in higher desorption rates, CO2 recovery and purity. |
Friday, July 24, 2015
Effect of acoustic field on CO2 desorption in a fluidized bed of fine activated carbon
Effect
of acoustic field on CO2 desorption in a fluidized bed of fine activated carbon
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