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http://dx.doi.org/10.9713/kcer.2021.59.1.68

Effects of Initial Responses in Steps for the Release Accidents of Hydrofluoric Acid  

Choi, Jae Sik (Department of Safety Engineering, Graduate school, Seoul National University of Science and Technology)
Choi, Jae U (ASP Co., Ltd.)
Shim, Ju Yong (Department of Safety Engineering, Graduate school, Seoul National University of Science and Technology)
Lee, Mu Chul (Department of Safety Engineering, Graduate school, Seoul National University of Science and Technology)
Publication Information
Korean Chemical Engineering Research / v.59, no.1, 2021 , pp. 68-76 More about this Journal
Abstract
As hazardous chemicals are releasing in process industries such as chemical & petro-chemical plants, the importance of initial responses has been always emphasized. However, little attention of quantitative analysis of the consequence by different initial responses during releasing of the chemicals has been done. The main objective of current paper is to investigate the effects of initial responses for the release accidents of hydrofluoric acid. For this, a simplified equation that can easily calculate the effect distance by varying concentrations of hydrofluoric acid was firstly deduced. In addition, a causal loops for the initial response steps using the system dynamics technique was constructed during release of 50% hydrofluoric acid. The effect distances according to different scenarios of the initial actions were also quantitatively analyzed by applying the simplified equation to the causal map. As a result, the highest reduction rate on the maximum effect distance was obtained with 'start time of action after leak detection' being about 87% while the lowest was 'arrival time of professional response team' being about 50%, as expected. It is expected that the results gained from the current study can be helpful as of basics of the initial response to the workplace, dealing with the hydrofluoric acid.
Keywords
Hydrofluoric acid; Initial response; System dynamics;
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Times Cited By KSCI : 1  (Citation Analysis)
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1 National Institute of Chemical Safety, Chemistry Safety Cleaning-house, https://csc.me.go.kr/accident/accidentInfoPList.do [Accessed 09 2018].
2 Kim, J. H., Jeong, C. M., Kang, S. M., Yong, J. W., Yoo, B. T. and Seo, J. M., "Comparison Study for Impact Range of Prediction Models Through Case Study about Gum Hydrogen Fluoride Accident," Korean Chem. Eng. Res., 55(1), 48-53(2017).   DOI
3 Kim, J. H., Yang, J. M., Yong, J. W., Ko, B. S., Yoo, B. T. and Ko, J. W., "Development of Hazardous Work Mapping Methodology Based on Layout of Workplace Handling The Accident Preparedness Substances," Korean Chem. Eng. Res., 52(6), 736-742 (2014).   DOI
4 Ministry of Environment, Enforcement Rule of the Chemicals Control Act [Ordinance of the Ministry of Environment No.778], http://www.law.go.kr [Accessed 22 May 2018].
5 Ministry of Employment and Labor, Enforcement Decree of the Occupational Safety and Health Act, [Attached Table 10], http://www.law.go.kr [Accessed 22 May 2018].
6 Jo, G. Y., Lee, I. M., Hwang, Y. W. and Moon, J. Y., "A Study on the Simulation of Damage Distance for Toxic Substances Leak age," Journal of the Korea Academia-Industrial Cooperation Society, 18(4), 599-607(2017).   DOI
7 Won, J. H., Kim, B. H., Ma, B. C., Yoon, Y., Jo, A. R., Chon, Y. W. and Moon, J. Y., "Development of the Simplified Estimating Method of Off-site Consequence Analysis for Hydrogen Chloride and Hydrogen Fluoride," Korean Journal of Hazardous Materials, 4(2), 41-52(2016).
8 Jung, Y. K., Kim, B. H., Heo, H. J., Yoo, B. T., Sin, C. H., Yoon, Y. and Ma, B. C., "A Study on the Simplified Estimating Method of Off-site Consequence Analysis by Concentration of Hydrochloric Acid," Journal of the Korean Society of Safety, 32(2), 52- 58(2017).   DOI
9 Jung, Y. K., Heo, H. J., Yoo, B. T., Yoon, Y., Yoon, J. H. and Ma, B. C.,"A Study on the Simplified Estimating Method of Off-site Consequence Analysis for Aqueous Ammonia," Journal of the Korean Institute of Gas, 20(2), 49-57(2016).   DOI
10 Kim, J. H. and Jung, S. H., "Consequence Modeling for Evacuation Distances against Accidental Hydrogen Fluoride (HF) Release Scenarios," Korean Chem. Eng. Res., 52(4), 582-585(2016).
11 Ministry of Environment, Performance Report of Sale Representatives of Toxic Substances, (2012).
12 United States Environmental Protection Agency, List of Regulated Substances under the Risk Management Plan (RMP) Program, https://www.epa.gov/rmp/list-regulated-substances-underrisk-management-plan-rmp-program [Accessed 20 May 2018].
13 AIHA Guideline Foundation, "2013 ERPG/WEEL Handbook," AIHA(2013).
14 National Institute of Chemical Safety, "Response Process of Chemical Accidents(Practices)," 191-193(2017).
15 Korea Occupational Safety and Health Agency, "Technical Guide on Safety of Treatment for Hydrofluoric Acid (KOSHA Guide P-21-2010)," 1-22(2010).
16 Daniel A. C. and Joseph F. L., Chemical Process Safety: Fundamentals with Applications, 3rd Ed., Prentice Hall, New York, 157-158(2011).