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Co-pyrolysis of lignin and plastics using red clay as catalyst in a micro-pyrolyzer
Patil, V., Adhikari, S., & Cross, P. (2018). Co-pyrolysis of lignin and plastics using red clay as catalyst in a micro-pyrolyzer. Bioresource Technology, 270, 311-319. https://doi.org/10.1016/j.biortech.2018.09.034
In the current study, low-density polyethylene and polystyrene were co-pyrolyzed with dealkaline lignin in a micro-reactor at 500 °C with and without low-cost red clay catalyst. The products were analyzed with GC-MS/FID to quantify phenolic compounds, alkanes and alkenes. The synergistic effect between plastics and lignin was studied by comparing the carbon yield of compounds from co-pyrolysis with that from individual pyrolysis. The co-pyrolysis of lignin and polystyrene was also performed at 600, 700 and 800 °C to examine the effect of pyrolysis temperature. The study explores a novel approach to enhance lignin depolymerization with red clay catalyst while utilizing waste plastics.