期刊
FUEL PROCESSING TECHNOLOGY
卷 130, 期 -, 页码 147-154出版社
ELSEVIER
DOI: 10.1016/j.fuproc.2014.09.043
关键词
Kinetic analysis; Bio-waste; Torrefaction; Thermogravimetric analysis; Isoconversional method
资金
- Campania Region [63]
Kinetic analysis of the olive pomace thermal degradation in the temperature range of interest for torrefaction was performed by using non-isothermal thermogravimetric measurements at different heating rates, ranging from 2 to 40 degrees C/min. A comparison is presented between two selected integral isoconversional methods, i.e., the nonlinear Vyazovkin incremental approach, which is more accurate but time-consuming, and the linear Ozawa-Flynn-Wall (OFW) method, which is less accurate but computationally simpler. Results show that the values of the activation energy by the OFW method are consistent with the ones provided by the Vyazovkin approach. This implies that the OFW method, more user-friendly compared to the Vyazovkin procedure, is suitable for studying the torrefaction kinetics of residual biomass, such as olive pomace. The reliability of the OFW method was further confirmed by the successful application of the derived kinetic data to reproduce (i.e., predict) experimental TG curves not included in the kinetic computations. (C) 2014 Elsevier B.V. All rights reserved.
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