A preferred embodiment includes providing the gaseous stream to pyrolysis reactor along with {HEAD ~ a carbon source} such as {TAIL ~ coke} 
A preferred embodiment includes providing the gaseous stream to pyrolysis reactor along with { HEAD ~ a carbon source } such as { TAIL ~ coke }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL