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A real-life example of choosing an inherently safer process option

机译：选择本质上更安全的过程选项的真实示例

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摘要

While choosing an inherently safer alternative may seem straightforward, sometimes what seems to be the most obvious alternative may not provide the best risk reduction. The process designer must maintain a broad perspective to be able to recognize all potential hazards when evaluating design options. All aspects of operation such as start-up, shut-down, utility failure, as well as normal operation should be considered. Choosing the inherently safer option is best accomplished early in the option selection phase of a project; however, recycle back to the option selection phase may be needed if an option is not thoroughly evaluated early in the process. In this paper, a project to supply ammonia to a catalytic reactor will be reviewed. During the course of the project, an "inherently safer" alternative was selected and later discarded due to issues uncovered during the detail design phase. The final option chosen will be compared to (1) the original design and (2) the initial "inherently safer" alternative. The final option was inherently safer than both the original design and the initial "inherently safer" alternative even though the design team initially believed that it would not be.
机译：尽管选择一种本质上更安全的替代方法似乎很简单，但有时似乎是最明显的替代方法可能无法提供最佳的降低风险的方法。过程设计师必须保持广阔的视野，以便能够在评估设计方案时识别所有潜在的危害。应该考虑操作的所有方面，例如启动，关闭，市电故障以及正常操作。在项目的选项选择阶段，最好先选择内在更安全的选项。但是，如果在流程的早期没有对选项进行全面评估，则可能需要返回到选项选择阶段。在本文中，将审查向催化反应器供应氨的项目。在项目进行过程中，由于在详细设计阶段发现了一些问题，因此选择了“本质上更安全”的替代方案，随后将其丢弃。将选择的最终选项与（1）原始设计和（2）最初的“本质上更安全”的选择进行比较。最终的选择在本质上比原始设计和初始的“本质上更安全”的选择都更安全，尽管设计团队最初认为不会。

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  • 来源
    《Journal of Hazardous Materials》 |2007年第3期|p.771-775|共5页
  • 作者

    Karen Study;

  • 作者单位

    Risk Management Services Department, Rohm and Haas Company, 6519 State Highway 225, Deer Park, TX 77536, United States;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程基础科学;
  • 关键词

    inherently; safer; design; ammonia; risk;

    机译：本质上;更安全;设计;氨气;风险;

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