Co-Pyrolysis Behavior, Kinetic and Mechanism of Waste-Printed Circuit Board with Biomass

Waste-printed circuit boards (WPCBs) account for approximately 3–6 wt% of total electronic waste. Due to their content thermosetting materials and added brominated fire retardants, recycling disposal is difficult not eco-friendly. Pyrolysis as a thermal degradation process may assist in the solution this problem. In addition, using biomass an additive can upgrade bio-oil fix bromines char. study, cotton stalk (CS) chosen kinetic pyrolysis three samples namely: PCB, CS, CS:PCB (50:50) were investigated by thermogravimetric analyzer (TGA) at heating rates 5, 10, 15 K/min. Three non-isothermal methods: FWO, KAS, Starink found good agreement with TGA data; however, FWO method was more efficient description mechanism solid-state reactions. For CS (50:50), ? increased from 0.2 0.9 method, calculated E? values range 121.43–151.88 151.60–105.67 kJ/mol zone 1, while 197.06–79.22 115.90–275.06 2, respectively. Whereas, PCB be 190.23–93.88 kJ/mol. The possible decomposition determined Criado which model reaction order n = 3. oil product also analyzed Fourier-Transform Infrared Spectroscopy analysis.