A comprehensive chemical model for the preliminary steps of the thermal stabilization process in a carbon fibre manufacturing line

Badii, K, Golkarnarenji, G, Milani, A, Naebe, M and Khayyam, H 2018, 'A comprehensive chemical model for the preliminary steps of the thermal stabilization process in a carbon fibre manufacturing line', Reaction Chemistry and Engineering, vol. 3, no. 6, pp. 959-971.


Document type: Journal Article
Collection: Journal Articles

Title A comprehensive chemical model for the preliminary steps of the thermal stabilization process in a carbon fibre manufacturing line
Author(s) Badii, K
Golkarnarenji, G
Milani, A
Naebe, M
Khayyam, H
Year 2018
Journal name Reaction Chemistry and Engineering
Volume number 3
Issue number 6
Start page 959
End page 971
Total pages 13
Publisher Royal Society of Chemistry
Abstract The thermal stabilisation process of the carbon fibre production line, as an energy consuming oxidation reaction, is diffusion limited. Therefore the kinetic parameters, estimated from traditional methods, cannot be applied due to the significance of oxygen diffusivity. Moreover, this process involves multiple chemical reaction systems, which are interconnected and often too complex to explain via analytical frameworks. One common solution to comprehend such a process and optimise its parameters is mathematical deterministic models. In the present study, a comprehensive deterministic model was developed to predict the kinetic parameters with a finite number of experiments by an optimisation algorithm. Then the model was used to study the progress of the process, particularly in the first steps of the process to explain the decrement of CO bonds in the oxidised fibre by adding a reduction step to the stabilisation mechanism and considering the role of oxygen as a catalyst in cyclisation. The developed model is based on the structure of the PAN precursor, fibre tow and governing differential equations for the underlying phenomena, including chemical kinetics and mass transfer, associated with empirical relations for oxygen diffusivity and physical properties under isothermal conditions. The results presented up to 95% improvement in outcomes of the model for a pilot carbon fibre production line.
Subject Chemical Engineering not elsewhere classified
DOI - identifier 10.1039/c8re00164b
Copyright notice © 2018 The Royal Society of Chemistry
ISSN 2058-9883
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