Parallel functioning distillation columns within single column structure
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United States of America Patent
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Issued Date -
Sep 5, 2002
app pub date -
Feb 26, 2002
filing date -
Feb 26, 2001
priority date (Note) -
Abandoned
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Abstract
A plurality of smaller mass transfer or exchange columns are provided within a larger column and are filled with packing to facilitate contact between fluids flowing within the smaller columns. The smaller columns are positioned in parallel and contacting relationship and preferably fill substantially the entire cross section of the larger column. At least some of the smaller columns share a common external wall. Structured packing fills the smaller columns to facilitate interaction between fluids flowing countercurrently within the smaller columns.
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