Accordingly, there is provided {TAIL ~ a flotation column} consisting of {HEAD ~ a reactor} and a separator 
Accordingly , there is provided { TAIL ~ a flotation column } consisting of { HEAD ~ a reactor } and a separator
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH