The process utilizes three adsorbent layers, the first primarily removes water; the second primarily removes CO2; and the third layer is designed to remove displaced gas components such as N2O and {HEAD ~ hydrocarbons} which are displaced by {TAIL ~ the second layer} 
are displaced by
The process utilizes three adsorbent layers , the first primarily removes water ; the second primarily removes CO2 ; and the third layer is designed to remove displaced gas components such as N2O and { HEAD ~ hydrocarbons } which are displaced by { TAIL ~ the second layer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL