Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Fluidized bed
Reexamination Certificate
2004-03-23
2010-12-07
Leung, Jennifer A (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Fluidized bed
C422S139000, C422S144000, C422S219000, C406S122000, C406S124000, C406S126000, C406S145000, C406S146000
Reexamination Certificate
active
07846399
ABSTRACT:
A preferred embodiment of a system for loading catalyst and/or additives into a fluidized catalytic cracking unit includes a bin for storing at least one of the catalyst and/or additives, and a loading unit in fluid communication with the storage bin and the fluidized catalytic cracking unit on a selective basis. The loading unit is capable of being evacuated so that a resulting vacuum within the loading unit draws the catalyst and/or additive from the bin. The loading unit is also capable of being pressurized so that the catalyst and/or additive is transferred from the loading unit to the fluidized catalytic cracking unit.
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Leung Jennifer A
W.R. Grace & Co.-Conn.
Woodcock & Washburn LLP
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