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