Composite adsorbent bead, process for its production, gas separation process and gas adsorption bed
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United States of America Patent
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Aug 26, 2014
Grant Date -
Jun 21, 2012
app pub date -
Dec 22, 2009
filing date -
Dec 22, 2008
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Abstract
Composite adsorbent beads have a porous and non-adsorbent core comprising at least one inorganic material and a porous and adsorbent shell comprising at least one adsorbent layer comprising a porous adsorbent material on the surface of the core. The core preferably comprises agglomerated inorganic particles having a mean particle size equal to or smaller than the mean particle size of the surrounding agglomerated adsorbent particles. The beads preferably are manufactured by calcining together a non-sintered core and the adsorbent layer. The beads can be used at the outlet end of an adsorption column to improve performance.
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