Co-pyrolysis of biomass and waste plastics has the potential to provide high-quality chemical substances and these sources are recycled to appreciate their clear and environment friendly utilization. Nonetheless, the present co-pyrolysis know-how typically mixes them bodily, which might trigger key issues, resembling giant variations in pyrolysis traits, proscribing the synergistic impact of co-pyrolysis intermediates. The aim of this examine was to assemble a segmented co-pyrolysis system and use FeCl3 and MCM-41 as in situ catalysts for Choerospondias axillaris seeds (CAS) and low-density polyethylene (LDPE), respectively, to research the connection between totally different in situ catalyst addition ratios (0%, 3%, 5%, 7% and 10%) and pyrolysis merchandise. As well as, the product distribution of the varied components of the segmented co-pyrolysis system in addition to the comparability of segmented and conventional blended co-pyrolysis had been investigated. The outcomes confirmed that FeCl3 may also help in selling the conversion of hemicellulose and cellulose to furans from CAS. The relative content material of furans within the liquid product reached 61.08 wt% when its addition was 7%. MCM-41 can obtain its finest catalytic impact when its addition was 5% in LDPE. Moreover, segmented co-pyrolysis can promote the Diels–Alder response between furans and olefins and end result within the content material of monocyclic fragrant hydrocarbons (MAHs) within the liquid product reaching as much as 72.01 wt%. In contrast with conventional blended co-pyrolysis, the relative content material of MAHs of segmented co-pyrolysis was 13.53 wt% larger and the wax yield was 14.49 wt% decrease. Due to this fact, segmented co-pyrolysis can supply potential advantages for future industrial software, in comparison with a standard co-pyrolysis course of.