Thermal degradation behaviour and chemical kinetic characteristics of biomass pyrolysis using TG/DTG/DTA techniques

Abstract The goal of the current study is to investigate thermal degradation palm fronds (PF), olive leaves (OL), and wheat straw (WS) through pyrolysis calculate their kinetic data using TG-DTG DTA approaches. parameters were assessed isoconversional techniques like Ozawa-Flynn-Wall (OFW) Kissinger–Akahira–Sunose (KAS) methods, as well model-fitting integral method, which employs various diffusion reaction order models. Using kinetics models, typical for thermodynamics estimated. For PF, OL, WS, values activation energy ( E ) from method ranged between 8.82 167.13, 23.06 149.20, 11.01 156.27, respectively, On other hand, 22.3 117.49, 51.69 92.88, 23.48 125.97, reaction-order average energies calculated by WS samples are 91.9, 69.1, 65.2, OFW 87.5, 101.8, 63.4, KAS method. results demonstrated that provided almost identical those produced methods. In same range α ), showed models yielded greater frequency factor than demonstrating how simpler quicker is. $${\Delta \mathrm{G}}_{av}$$ Δ G av acceptability these materials pyrolysis, techniques, sequence process was OL > PF. more heat required dissociate reagent bonds, agrees with derived model. Graphical