The dryer 15 is heated by steam from {HEAD ~ the steam recovery boilers} 19 and 20 obtained from chimney gases and {TAIL ~ pyrolitic gas} respectively 
obtained from
The dryer 15 is heated by steam from { HEAD ~ the steam recovery boilers } 19 and 20 obtained from chimney gases and { TAIL ~ pyrolitic gas } respectively
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH