화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.37, No.11, 1888-1898, November, 2020
DOI10.1007/s11814-020-0614-2  Export Citation
A thermo-kinetic study on co-pyrolysis of oil shale and polyethylene terephthalate using TGA/FT-IR
Gamzenur Özsin†, Murat Kılıc1, Esin Apaydin-Varol1, Ayse Eren Pütün2, and Ersan Pütün3
  • Faculty of Engineering, Department of Chemical Engineering, Bilecik Seyh Edebali University, 11210, Bilecik, Turkey
  • 1Faculty of Engineering, Department of Chemical Engineering, Eskisehir Technical University, 26555, Eskişehir, Turkey
  • 2Faculty of Engineering, Department of Chemical Engineering, Anadolu University, 26555, Eskisehir, Turkey
  • 3Faculty of Engineering, Department of Materials Science and Engineering Engineering, Anadolu University, 26555, Eskisehir, Turkey
E-mail:
This study explored the effects of polyethylene terephthalate (PET) blending during the pyrolysis of oil shale (OS). Dynamic pyrolysis and co-pyrolysis tests at heating rates in the range from 5 to 40 °C/min were carried out using a thermogravimetric analyzer (TGA) coupled to a Fourier transform infrared spectrometer (FT-IR) to determine the kinetic parameters of the process and for online detection of evolved gasses. Pyrolytic decomposition of OS included a multi-stage decomposition process, while PET decomposed only in a single step. The kinetics of pyrolysis and co-pyrolysis was determined via model-free iso-conversional methods, namely Friedman, FWO, Starink, Vyazovkin, in a conversion degree range of 0.1-0.9. The kinetic models were validated with the obtained data to describe pyrolytic and copyrolytic degradation mechanisms, and the regression coefficients were between 0.9823 and 0.9999. The results showed that the activation energy of co-pyrolysis was evidently lower than that of PET or OS pyrolysis. This led to the conclusion that co-pyrolysis could be a potential method for obtaining shale oil due to the synergy between OS and PET.
Keywords:Pyrolysis;Kinetics;PET;Oil Shale;Synergetic Effect;TGA/FT-IR
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