Gas and liquid contact apparatus – With external supply or removal of heat – Processes
Reexamination Certificate
2005-04-26
2005-04-26
Bushey, Scott (Department: 1724)
Gas and liquid contact apparatus
With external supply or removal of heat
Processes
C261S152000, C261S155000, C165SDIG001
Reexamination Certificate
active
06883788
ABSTRACT:
Disclosed is a method and an apparatus for exchanging heat in a column by passing a first vapor phase through a heat exchanger in the column to exchange heat with a first stream and produce a second vapor phase in the column. The second vapor phase is passed through a shielding device located above the heat exchanger and the shielding device prevents descending liquid from contacting the heat exchanger. The shielding device may be interposed between two heat exchangers in the column.
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Kirschbaum, E.,Distillation and Rectification, Chemical Publishing Co., Inc. New York, 1948, pp. 80-85 and 310-311.
O'Driscoll F. Joseph
Tagamolila Constante P.
Bushey Scott
Paschall James C.
Piasecki David J.
Tolomei John G.
UOP LLC
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