The present invention relates to {HEAD ~ a process} for up grading products resulting from the steam cracking of hydrocarbons which comprises bringing {TAIL ~ the steam} cracking reaction products in contact with a multifunctional Zn ZSM 5 zeolite/Cr2 O3 /Al2 
comprises bringing
The present invention relates to { HEAD ~ a process } for up grading products resulting from the steam cracking of hydrocarbons which comprises bringing { TAIL ~ the steam } cracking reaction products in contact with a multifunctional Zn ZSM 5 zeolite / Cr2 O3 /Al2
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH