Packing with a cross channel structure for a material exchange column with a high specific separation performance
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United States of America Patent
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Feb 26, 2002
Grant Date -
N/A
app pub date -
Jan 12, 2000
filing date -
Jan 21, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The packing (1) with cross channel structure for a material exchange column (2) should have a high specific separation performance. The packing is specifiable by a specific surface area, a, and an inclination angle of the passages, .phi.. It belongs to a class of packings with a=a.sub.cl and .phi.=.phi..sub.cl in accordance with the following assertions: for fluids which flow in the packing, equally large fluid flows are in each case provided; a number n of theoretical separation stages per meter which can be empirically determined for the packing, namely the parameter NTSM, can be represented by a first function f.sub.1 (a, .phi.) of the variables a and .phi.; a flow resistance which results for a gas flow which flows through the packing can be characterised by a pressure loss per meter, .DELTA.p, as a second function f.sub.2 (a, .phi.; under the auxiliary condition n=const, .DELTA.p assumes a relative minimum for which the variables a and .phi.--in dependence on the parameter n--assume the values a.sub.m (n) and .phi..sub.m (n) respectively; it is true that n>4.5, a.sub.cl
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