5">Zeolites and mesoporous catalysts were subject to catalytic pyrolysis of Br-HIPS.
The highest oil yield of 67.9 wt.% was obtained in the presence of all-silica MCM-41.
5">HZSM-5 and all-silica MCM-41 produced more valuable single ring aromatics.
High debromination efficiency of 70.47% was achieved by Hβ zeolite.
5">Provided an efficient approach for further upgrading of pyrolysis oils