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Improving the Depth and Accuracy of HAZOP Analysis for Safer Process Development in Chemical Industries

Received: 11 January 2021    Accepted: 18 January 2021    Published: 10 February 2021
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Abstract

HAZOP analysis has become a versatile tool for industrial risk assessment and optimization in the past decades. It facilitates systematical design review with wide applications spanning across entire project lifecycle, from initial design to operation and decommission stages. Traditional qualitative HAZOP process that largely depends on historical experience and brainstorming can lead to inaccurate hazard identification and severe accident consequences. This study aims at improving the depth and accuracy of HAZOP analysis by delivering a comprehensive exploration of the critical factors and advanced quantitative approach. The impact factors were illustrated from prerequisite and assurance aspects. Prerequisite factors serve as the fundamentals of HAZOP which involve design technical details, HAZOP team management, execution strategy and HSE culture, while assurance factors denote the systematical PSI data and quantitative analytical frameworks. A classical chemical case study via semi-quantitative method was exemplified. Countermeasures and international leading practices were introduced with a summary chart at the end. Special attention should be paid to the effectiveness of safety guards and coming up HAZOP recommendations. Motivating future works can be explored such as HAZOP efficiency optimization, finer study targeting different project types, and broader industry applications. By incorporating the critical factors with integrated quantitative approach, the influence of enterprise HAZOP analysis will be more profound with enhanced accident prevention and risk awareness in the overall industrial environment.

Published in American Journal of Chemical Engineering (Volume 9, Issue 1)
DOI 10.11648/j.ajche.20210901.12
Page(s) 18-24
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

HAZard and OPerability (HAZOP) Analysis, Process Safety, Risk Management, Risk Matrix, Enterprise HSE, Chemical Engineering

References
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  • APA Style

    Jingyi Li. (2021). Improving the Depth and Accuracy of HAZOP Analysis for Safer Process Development in Chemical Industries. American Journal of Chemical Engineering, 9(1), 18-24. https://doi.org/10.11648/j.ajche.20210901.12

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    ACS Style

    Jingyi Li. Improving the Depth and Accuracy of HAZOP Analysis for Safer Process Development in Chemical Industries. Am. J. Chem. Eng. 2021, 9(1), 18-24. doi: 10.11648/j.ajche.20210901.12

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    AMA Style

    Jingyi Li. Improving the Depth and Accuracy of HAZOP Analysis for Safer Process Development in Chemical Industries. Am J Chem Eng. 2021;9(1):18-24. doi: 10.11648/j.ajche.20210901.12

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  • @article{10.11648/j.ajche.20210901.12,
      author = {Jingyi Li},
      title = {Improving the Depth and Accuracy of HAZOP Analysis for Safer Process Development in Chemical Industries},
      journal = {American Journal of Chemical Engineering},
      volume = {9},
      number = {1},
      pages = {18-24},
      doi = {10.11648/j.ajche.20210901.12},
      url = {https://doi.org/10.11648/j.ajche.20210901.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajche.20210901.12},
      abstract = {HAZOP analysis has become a versatile tool for industrial risk assessment and optimization in the past decades. It facilitates systematical design review with wide applications spanning across entire project lifecycle, from initial design to operation and decommission stages. Traditional qualitative HAZOP process that largely depends on historical experience and brainstorming can lead to inaccurate hazard identification and severe accident consequences. This study aims at improving the depth and accuracy of HAZOP analysis by delivering a comprehensive exploration of the critical factors and advanced quantitative approach. The impact factors were illustrated from prerequisite and assurance aspects. Prerequisite factors serve as the fundamentals of HAZOP which involve design technical details, HAZOP team management, execution strategy and HSE culture, while assurance factors denote the systematical PSI data and quantitative analytical frameworks. A classical chemical case study via semi-quantitative method was exemplified. Countermeasures and international leading practices were introduced with a summary chart at the end. Special attention should be paid to the effectiveness of safety guards and coming up HAZOP recommendations. Motivating future works can be explored such as HAZOP efficiency optimization, finer study targeting different project types, and broader industry applications. By incorporating the critical factors with integrated quantitative approach, the influence of enterprise HAZOP analysis will be more profound with enhanced accident prevention and risk awareness in the overall industrial environment.},
     year = {2021}
    }
    

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    T1  - Improving the Depth and Accuracy of HAZOP Analysis for Safer Process Development in Chemical Industries
    AU  - Jingyi Li
    Y1  - 2021/02/10
    PY  - 2021
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    T2  - American Journal of Chemical Engineering
    JF  - American Journal of Chemical Engineering
    JO  - American Journal of Chemical Engineering
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    UR  - https://doi.org/10.11648/j.ajche.20210901.12
    AB  - HAZOP analysis has become a versatile tool for industrial risk assessment and optimization in the past decades. It facilitates systematical design review with wide applications spanning across entire project lifecycle, from initial design to operation and decommission stages. Traditional qualitative HAZOP process that largely depends on historical experience and brainstorming can lead to inaccurate hazard identification and severe accident consequences. This study aims at improving the depth and accuracy of HAZOP analysis by delivering a comprehensive exploration of the critical factors and advanced quantitative approach. The impact factors were illustrated from prerequisite and assurance aspects. Prerequisite factors serve as the fundamentals of HAZOP which involve design technical details, HAZOP team management, execution strategy and HSE culture, while assurance factors denote the systematical PSI data and quantitative analytical frameworks. A classical chemical case study via semi-quantitative method was exemplified. Countermeasures and international leading practices were introduced with a summary chart at the end. Special attention should be paid to the effectiveness of safety guards and coming up HAZOP recommendations. Motivating future works can be explored such as HAZOP efficiency optimization, finer study targeting different project types, and broader industry applications. By incorporating the critical factors with integrated quantitative approach, the influence of enterprise HAZOP analysis will be more profound with enhanced accident prevention and risk awareness in the overall industrial environment.
    VL  - 9
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Author Information
  • School of Engineering, Stanford University, Palo Alto, United States

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