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