Use and Limitations of Offsite Consequence Analysis Tools from South Korea and the United States in Hydrogen Fluoride Accidental Release
- Authors
- Kim, Min-Uk; Byeon, Sang-Hoon
- Issue Date
- 3월-2018
- Publisher
- WILEY
- Keywords
- Offsite consequence analysis; KORA; RMP*Comp; ALOHA; Operating conditions
- Citation
- INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT, v.14, no.2, pp.205 - 211
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT
- Volume
- 14
- Number
- 2
- Start Page
- 205
- End Page
- 211
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/76802
- DOI
- 10.1002/ieam.2019
- ISSN
- 1551-3777
- Abstract
- We investigated the characteristics and limitations in the event of hydrofluoric acid (HF) leakage by comparing and analyzing the offsite consequence analysis (OCA) tools based on the chemical plant operating conditions. We reviewed the tools Korea Offsite Risk Assessment (KORA) from South Korea and Risk Management Plan*Comp (RMP*Comp (TM)) and Areal Location of Hazardous Atmospheres (ALOHA) from the United States. The scenario studied was based on a leak event from a 50% HF aqueous solution storage tank, and the operating conditions taken into consideration were the operating temperature and dike installation conditions. The results from the OCA differed; KORA presented a smaller range of offsite impact than did ALOHA. The offsite impact ranges of KORA and ALOHA increased as the operating temperature and dike installation area increased. However, RMP*Comp differed greatly in its offsite impact range results in the operating temperature range of 25 degrees C to 30 degrees C. Moreover, in the alternative scenario, a limitation existed in that the offsite impact range was not changed by the dike installation conditions. The offsite impact range analyzed via KORA and ALOHA reflected the reality of an HF leak accident better than that analyzed via RMP*Comp. Therefore, it is more reasonable to use KORA and ALOHA instead of RMP*Comp in OCA. Moreover, users should realize that ALOHA has a somewhat wider range of offsite impact than KORA does in OCA. The separation distance from the storage tank when installing a dike is effective between 1 and 1.5m in consideration of securing the minimum workspace for workers.
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