Furthermore, the method includes the step of separating {HEAD ~ the flue gas} into {TAIL ~ an end product portion} and a recycling portion 
into
Furthermore , the method includes the step of separating { HEAD ~ the flue gas } into { TAIL ~ an end product portion } and a recycling portion
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH