The effluent stream produced is conveyed to a gas/liquid separator to separate H2 which is recycled to {TAIL ~ the alcohol synthesis zone} as a second source of {HEAD ~ H2} 
The effluent stream produced is conveyed to a gas / liquid separator to separate H2 which is recycled to { TAIL ~ the alcohol synthesis zone } as a second source of { HEAD ~ H2 }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD