Co-pyrolysis of biomass and waste tires under high-pressure two-stage fixed bed reactor
2022
Wang, Fengchao | Gao, Ningbo | Magdziarz, Aneta | Quan, Cui
The distribution of biomass pyrolysis products under high pressure have rarely been reported. In this study, the effect of pressure on the product distribution of pine sawdust (PS) pyrolysis was studied. The synergistic effect of the side wall rubber (SWR) and PS was confirmed under pressurized conditions. Calcined bottom ash (CBA) and SWR char (SWRC) were used to enhance the quality of the pressurized co-pyrolysis products. The PS and SWR pyrolysis chars obtained under high pressure conditions exhibited serious melting and cross-linking problem. The CO₂ content decreased to 19.96 vol% in co-pyrolysis gas with the CBA/SWRC₇/₃ catalyst. The water content decreased by 85.71% after the SWRC catalyst in the pressurized co-pyrolysis process. Compared with the concentration of benzene in PS and SWR oil, the concentration of benzene in SWR/PS₇/₃ oil without catalysts increased by 9.57 times and 0.25 times, respectively.
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