B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 19/32 (2006.01) F28F 25/08 (2006.01)
Patent
CA 2294406
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 cl and .phi. = .phi.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 f1(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 f2(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 m(n) and .phi.m(n) respectively; - it is true that n > 4.5, a cl < a m(n), .phi.cl > .phi.m(n) and .phi.cl > 45°.
Fetherstonhaugh & Co.
Sulzer Chemtech Ag
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