However, instead of being exhausted to the atmosphere, according to the invention, this gaseous stream is provided to {HEAD ~ a reaction chamber}, such as, for example, {TAIL ~ a pyrolysis chamber} 
such as
However , instead of being exhausted to the atmosphere , according to the invention , this gaseous stream is provided to { HEAD ~ a reaction chamber } , such as , for example , { TAIL ~ a pyrolysis chamber }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL