Low temperature regeneration of carbonaceous adsorbent

Details Low temperature regeneration of carbonaceous adsorbent Low temperature regeneration of carbonaceous adsorbent

B - Operations, Transporting

01

J

252/25, 23/348

B01J 20/34 (2006.01) B01D 53/04 (2006.01)

Patent

CA 1122192

LOW TEMPERATURE REGENERATION OF CARBONACEOUS ADSORBENT ABSTRACT OF THE DISCLOSURE A gas desulfurization process is disclosed wherein a particulate, partially oxidized coal is used as an ad- sorbent for gaseous sulfur oxides and is regenerated by contact with a low temperature recycled stream of its own desorbed off-gas containing a-t least 40% steam and 15% SO2. A bleed stream of the desorbed off-gas may be reacted with coal at 1150°F to 1550°F to partially oxidize the coal and transform it into an adsorbent suitable for use in the adsorber.

347215

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