J Korean Soc Hazard Mitig 2018; 18(1): 69-78  https://doi.org/10.9798/KOSHAM.2018.18.1.69
A Study on the Mixed Reaction Risk due to Chemical Leakage in Industrial Complex in Case of Earthquake
Choi, Younghun*, Kim, Sangjin**, Kim, Chorong***, and Chon, Youngwoo****
*Member, Master Course, Department of Environment & Safety Technology Convergence, Inha University
**Master Course, Department of Environment & Safety Technology Convergence, Inha University
***Master Course, Department of Environment & Safety Technology Convergence, Inha University
****Member, Professor, Department of Environment & Safety Technology Convergence, Inha University
Correspondence to: Member, Professor, Department of Environment & Safety Technology Convergence, Inha University (Tel: +82-32-860-8752, Fax: +82-32-866-7607, E-mail: ponychon@inha.ac.kr)
Received: September 30, 2017; Revised: October 18, 2017; Accepted: November 20, 2017; Published online: January 31, 2018.
© The Korean Society of Hazard Mitigation. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Recently, damage caused by the earthquake occurred domestically, and destruction of harmful hazardous facilities such as chemical plants can cause secondary damage such as fire, explosion, leakage of hazardous substances, and can cause serious damage to local communities. In this study, we estimated the risk of mixed substances caused by earthquakes based on hazardous materials in the On-san National Industrial Complex, based of the distances between factories, damage distance of materials the possibility of mixing was determined. Also, In order to predict the reactivity between the materials, 37 kinds of Potential Gases according to the chemical mixture could be identified using the CRW 4.0 program, risk factors for 16 kinds of materials were derived as NFPA rating standards. As a result, high-risk materials such as Hydrogen Cyanide and Hydrogen Fluoride were identified, and to propose countermeasures to minimize the risk of high-risk factories by checking the Potential Gases generated by each factories.
Keywords: Earthquake, CRW, NFPA, Reaction Risk, Metarial Matrix, Risk Rating, Ul-San


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