Consequence Modeling for Accidental Events of SO۲ Release in a Detergent Manufacturing Company
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JHEHP-5-4_005
تاریخ نمایه سازی: 21 بهمن 1401
Abstract:
Background: Chemical industries and facilities pose the risk of potential hazards in case of accidents, which lead to injuries and financial losses due to the spread of materials in the surroundings of the accident. These materials often have harmful properties (e.g., toxicity or flammability), and their release could cause secondary accidents (e.g., fire, poisoning, and explosion). The present study aimed to assess the effects of toxic sulfur dioxide (SO۲) in a suffocation unit.
Methods: A possible scenario of SO۲ emission was selected using the matrix presented by the researchers. Afterwards, the hazard and operability study method was used to analyze the conditions. The modeling and evaluation of the outcomes of the selected scenario for SO۲ gas emission from the gas pipeline were carried out using the PHAST۷.۱۱ software.
Results: The worst scenario was observed in the employees within the approximate distance of ۱۰ meters and height of two meters from the gas leakage (۱۰۰ mm leakage diameter) and gas diffusion angled from horizontal impingement.
Conclusion: About ۱.۸۴ seconds after the leakage of toxic SO۲ (distance: ۱۰ meters, height: ۱.۳۹ m), the concentration was approximately ۳۹,۳۳۹ ppm, which was the worst scenario in August, with the possible mortality risk of ۴۹%.
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Authors
Mehrdad Inanloo
Department of Health Safety and Environment (HSE), School of Public Health, Zanjan University of Medical Sciences, Zanjan, Iran.
Gholamreza Sadeghi
Department of Environmental Health Engineering & Department of Health Safety and Environment (HSE), School of Public Health, Zanjan University of Medical Sciences, Zanjan, Iran.
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