Modelling and experimental investigation of waste tyre pyrolysis process in a laboratory reactor

• Autorzy: Rudniak L. , Machniewski P.M.

Identyfikatory

DOI

10.1515/cpe-2017-0034

• Języki publikacji: EN

Abstrakty

EN

A mathematical model of waste tyre pyrolysis process is developed in this work. Tyre material decomposition based on a simplified reaction mechanism leads to main product lumps: noncondensable (gas), condensable (pyrolytic oil) and solid (char). The model takes into account kinetics of heat and mass transfer in the grain of the shredded rubber material as well as surrounding gas phase. The main reaction routes were modelled as the pseudo-first order reactions with a rate constant calculated from the Arrhenius type equation using literature values of activation energy determined for main tyre constituents based on TG/DTG measurements and tuned pre-exponential parameter values obtained by fitting theoretical predictions to the experimental results obtained in our laboratory reactor. The model was implemented within the CFD software (ANSYS Fluent). The results of numerical simulation of the pyrolysis process revealed non-uniformity of sample’s porosity and temperature. The simulation predictions were in satisfactory agreement with the experimentally measured mass loss of the tyre sample during pyrolysis process investigated in a laboratory reactor.

Słowa kluczowe

EN

waste tyres; pyrolysis; kinetics; CFD

PL

zużyte opony; piroliza; kinetyka; CFD

• Wydawca: Komitet Inżynierii Chemicznej i Procesowej Polskiej Akademii Nauk
• Czasopismo: Chemical and Process Engineering
• Rocznik: 2017
• Tom: Vol. 38, nr 3
• Strony: 445--454
• Opis fizyczny: Bibliogr. 17 poz., rys., tab.

Twórcy

autor

Rudniak L.

• Warsaw University of Technology, Faculty of Chemical and Process Engineering, ul. Waryńskiego 1, Warsaw, Poland

autor

Machniewski P.M.

• Warsaw University of Technology, Faculty of Chemical and Process Engineering, ul. Waryńskiego 1, Warsaw, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)