EVALUATION OF KINETIC MODELS VIA COMPUTATIONAL OPTIMIZATION TECHNIQUES FOR DIRECT SYNGAS-TO-OLEFINS PROCESS

Kerem Bülbül*, Abdullah Zahid Turan, Alper Sarıoğlan, Gamze Behmenyar, Özlem Ataç

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Özet

In this study, the kinetics of Fischer-Tropsch (FT)-to-olefins was thoroughly investigated on activated carbon supported Fe-Cu-K catalyst. Among the evaluated methods, it was observed that the Runge-Kutta method gave better results. In general, the model that pertains to the study of Fernandes introduced fewer errors than Wang et al.'s model. In the simulations based on the Fernandes model, the H2 values were estimated within error limits between 2% and 8% validated for 7 distinct experiments. CO, on the other hand, was estimated more accurately with the error limits in the ranges of 4-7% for high gas hourly space velocity (GHSV) values. However, error band of the model in the latter case was increased up to 30% for low GHSV values. Regarding hydrocarbon products, an average error value of 30% was obtained for ethylene while the best estimations were obtained for propylene with an error of 0.46% and 13.27%. However, Fernandes model neglects olefin re-adsorption, unlike the Wang's model, so Wang model seems more appropriated to estimate paraffin products. All in all, as per calculations on experimental analysis, both models need improvement in terms of product distribution.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıProceedings of WHEC 2022 - 23rd World Hydrogen Energy Conference
Ana bilgisayar yayını alt yazısıBridging Continents by H2
EditörlerIbrahim Dincer, Can Ozgur Colpan, Mehmet Akif Ezan
YayınlayanInternational Association for Hydrogen Energy, IAHE
Sayfalar1335-1337
Sayfa sayısı3
ISBN (Elektronik)9786250008430
Yayın durumuYayınlandı - 2022
Etkinlik23rd World Hydrogen Energy Conference: Bridging Continents by H2, WHEC 2022 - Istanbul, Turkey
Süre: 26 Haz 202230 Haz 2022

Yayın serisi

AdıProceedings of WHEC 2022 - 23rd World Hydrogen Energy Conference: Bridging Continents by H2

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???event.eventtypes.event.conference???23rd World Hydrogen Energy Conference: Bridging Continents by H2, WHEC 2022
Ülke/BölgeTurkey
ŞehirIstanbul
Periyot26/06/2230/06/22

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Publisher Copyright:
© 2022 Proceedings of WHEC 2022 - 23rd World Hydrogen Energy Conference: Bridging Continents by H2. All rights reserved.

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