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Language: English

Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received November 15, 2012
Accepted April 14, 2013

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Integration of qualitative and quantitative risk assessment methods for gas refinery plants

Hyungjoon Yoon Jaedeuk Park Wonsub Lim Kwanghee Lee Nakki Choi¹ Chuljae Lee¹ Il Moon^†

Department of Chemical and Biomolecular Engineering, Yonsei University, 50, Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea ¹GS E&C, 411-1, GS Yeokjeon Tower, 537, Namdaemun-ro 5-ga, Joong-gu, Seoul 100-722, Korea

Korean Journal of Chemical Engineering, July 2013, 30(7), 1368-1374(7), 10.1007/s11814-013-0057-0

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Abstract

This paper focuses on the development of an integrated risk assessment system to increase the safety of gas refinery plants. This integration is important in managing the design and the operation of chemical plants and it requires significant time, effort and specialized expertise. We propose a systematic procedure to apply quantitative and qualitative hazard identification methods before constructing the refinery plants. Advantages of this assessment procedure are 1) systematic method in identifying most of the important hazards, 2) complete and rigorous analysis, and 3) reducing budget and time. The qualitative and quantitative assessment method consists of two and three steps, respectively. After these five steps, the risk of the same plant was calculated and analyzed. This method can identify risk and potential hazards from local gas refinery plants effectively and systematically. We applied the integrated qualitative and quantitative_x000D_ risk assessment method to remove the risk of a local gas refinery plant with 160 P&ID sheets. The result of this work confirmed that no residential population existed within the bounds of the 1×10^(-6) per annum risk contour. Therefore, the risk to the public from the gas refinery plants should be considered acceptable.

Keywords

Integrated Risk Assessment Quantitative and Qualitative Methods Potential Hazards Annum Risk Contour

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