EP 0954363 A1 19991110 - FRACTIONATION TRAYS
Title (en)
FRACTIONATION TRAYS
Title (de)
REKTIFIKATIONSBODEN
Title (fr)
PLATEAU DE FRACTIONNEMENT
Publication
Application
Priority
US 9701234 W 19970127
Abstract (en)
[origin: CA2277214A1] A fractionating column (1) is provided which has perforated fractionating trays (2) and downcomers (7) allowing liquid to flow from one tray to the tray immediately below, said downcomers being provided with radial outflow ports (4) directing downflowing liquids towards the column wall rather than onto the surface of the tray directly below the downcomer. This permits at least a portion of the under-downcomer area to be perforated thereby increasing the capacity of the tray for vapor/liquid contact and ensuring that weeping of the liquid through the perforations is avoided without need for an increase in vapor pressure.
IPC 1-7
IPC 8 full level
Citation (search report)
See references of WO 9832511A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
CA 2277214 A1 19980730; EP 0954363 A1 19991110; JP 2000507878 A 20000627
DOCDB simple family (application)
CA 2277214 A 19970127; EP 97902083 A 19970127; JP 53193398 A 19970127