Catalyst – solid sorbent – or support therefor: product or process – Solid sorbent – Free carbon containing
Reexamination Certificate
2011-07-19
2011-07-19
Griffin, Walter D (Department: 1774)
Catalyst, solid sorbent, or support therefor: product or process
Solid sorbent
Free carbon containing
C502S421000, C502S432000, C060S645000, C060S648000, C060S676000, C423S460000
Reexamination Certificate
active
07981835
ABSTRACT:
A system and method for producing activated carbon comprising carbonizing a solid carbonaceous material in a carbonization zone of an activated carbon production apparatus (ACPA) to yield a carbonized product and carbonization product gases, the carbonization zone comprising carbonaceous material inlet, char outlet and carbonization gas outlet; activating the carbonized product via activation with steam in an activation zone of the ACPA to yield activated carbon and activation product gases, the activation zone comprising activated carbon outlet, activation gas outlet, and activation steam inlet; and utilizing process gas comprising at least a portion of the carbonization product gases or a combustion product thereof; at least a portion of the activation product gases or a combustion product thereof; or a combination thereof in a solid fuel boiler system that burns a solid fuel boiler feed with air to produce boiler-produced steam and flue gas, the boiler upstream of an air heater within a steam/electricity generation plant, said boiler comprising a combustion zone, a boiler-produced steam outlet and at least one flue gas outlet.
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Benson Steven
Crocker Charlene
Mackenzie Jill
Srinivasachar Srivats
Carroll Rodney B.
Conley & Rose, P.C.
Energy & Environmental Research Center Foundation
Griffin Walter D
Young Natasha
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