The separation tray has horizontal upper and lower walls and a plurality of primary separation devices for separating {HEAD ~ a fluid} into {TAIL ~ a primary gas} and a liquid enriched secondary gas 
into
The separation tray has horizontal upper and lower walls and a plurality of primary separation devices for separating { HEAD ~ a fluid } into { TAIL ~ a primary gas } and a liquid enriched secondary gas
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH