Sixth International Conference on Transportation Engineering
The Influence of Electrochemical Corrosion on the Transportation Safety of Benzene Railway Tanker and Accidents Simulation
Publication: ICTE 2019
ABSTRACT
In this paper, the influence of chemical corrosion on the transportation safety of railway tanker which loading benzene (coking benzene, petroleum benzene) and the accidents simulation were studied. The surface morphology and chemical composition of corrosion scale were characterized by SEM and EDS. The corrosion rate of the railway tanker was calculated by weight loss experiment. Corrosion behavior was preliminarily described by electrochemical experiment of potential polarization curve. Finally, the damage of leakage fire accident due to chemical corrosion was simulated by the pool fire model. The results show that the corrosion source are sulfur components such as thiol and thioether in the transport medium, and the mainly components of corrosion scale are Fe2S3 and Fe(OH)3. The corrosion rate in the experimental range was in the range of 0.164~0.274 mm/a and which increased with the increase of total sulfur. In case of leakage fire accident caused by corrosion perforation or stress corrosion crack, the burning radius of the pool fire is 197.18 m, the flame height is 270.21 m, and the minimum safe range for equipment and personnel without damage and loss is 32.62 m.
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ACKNOWLEDGEMENT
This research was supported by The National Natural Science Foundation of China, China National Petrochemical Unite Funded Project (Project No.:U1662106).
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Information & Authors
Information
Published In
ICTE 2019
Pages: 477 - 485
Editors: Xiaobo Liu, Ph.D., Southwest Jiaotong University, Qiyuan Peng, Ph.D., Southwest Jiaotong University, and Kelvin C. P. Wang, Ph.D., Oklahoma State University
ISBN (Online): 978-0-7844-8274-2
Copyright
© 2020 American Society of Civil Engineers.
History
Published online: Jan 13, 2020
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