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http://dx.doi.org/10.7842/kigas.2017.21.1.43

Risk Analysis of Ammonia Leak in the Refrigeration Manufacturing Facilities  

Kang, Su-Jin (Dept. of Environment Technology and Safety Technology Convergence, Inha University)
Lee, Ik-Mo (Dept. of Chemistry, Inha University)
Moon, Jin-Young (Dept. of Environment Technology and Safety Technology Convergence, Inha University)
Chon, Young-Woo (Dept. of Environment Technology and Safety Technology Convergence, Inha University)
Publication Information
Journal of the Korean Institute of Gas / v.21, no.1, 2017 , pp. 43-51 More about this Journal
Abstract
Recently, ammonia leak occurred frequently in the domestic refrigeration manufacturing facilities. Ammonia caused great damage to the environment and human health in the event of an accident as combustible gases and toxic gases. After considering the types of ammonia accidents of domestic refrigeration manufacturing facilities and selected accident scenarios and to analyze the risk analysis through Impact range estimates and frequency analysis and there was a need to establish measures to minimize accident damage. In this study, depending on the method of analysis quantitative risk assessment we analyzed the risk of the receiver tank of ammonia system. Scenario analysis conditions were set according to the 'Technical guidelines for the selection of accident scenario' under the chemicals control act and 'Guidelines for chemical process quantitative risk analysis' of center for chemical process safety. The risk estimates were utilized for consequence analysis and frequency analysis by SAFETI program of DNV, event tree analysis methodology and part count methodology. The individual risk of ammonia system was derived as 7.71E-04 / yr, social risk were derived as 1.17E-03 / yr. The derived risk was confirmed to apply as low as reasonably practicable of the national fire protection association and through risk calculation, it can be used as a way to minimize accidents ammonia leakage accident damage.
Keywords
refrigeration manufacturing facilities; quantitative risk analysis; ammonia; eta; frequency analysis; individual risk; societal risk; phast risk 6.7;
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