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