Gas separation: processes – With control responsive to sensed condition – Temperature sensed
Reexamination Certificate
2006-05-23
2006-05-23
Lawrence, Frank M. (Department: 1724)
Gas separation: processes
With control responsive to sensed condition
Temperature sensed
C095S019000, C095S290000, C062S085000, C062S617000
Reexamination Certificate
active
07048777
ABSTRACT:
The invention uses both heating and cooling zones to prevent the precipitation of solids onto equipment surfaces until they are efficiently removed from the gas phase via one or more heat exchangers. Each heat exchanger may be regenerated to melt off the solids when the amount collected becomes excessive. A storage plenum is available under each heat exchanger to store the melted solids until final removal to avoid the need to open the equipment for the removal of the unwanted solids.
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“Wax”, Hawley's Condensed Chamical Dictionary, 14thEdition, John Wiley & Sons, Inc. 2002.
Air Liquide America L.P.
Haynes Elwood L.
Lawrence Frank M.
Russell Linda K.
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