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首页> 外文期刊>Environmental Science & Technology >Including Pathogen Risk in Life Cycle Assessment of Wastewater Management. Implications for Selecting the Functional Unit
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Including Pathogen Risk in Life Cycle Assessment of Wastewater Management. Implications for Selecting the Functional Unit

机译：在废水管理的生命周期评估中包括病原体风险。选择功能单元的含义

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摘要

In the context of wastewater management, microbial hazards are often addressed in risk assessment (RA) studies but are at present not routinely included in life cycle assessment (LCA) studies. A recent attempt to include pathogen risk in LCA of wastewater management explored the application of quantitative microbial risk assessment (QMRA) with the intent to compare pathogen risk with other potential impacts on human health. When presented together in an LCA framework, the pathogen risk is treated as an LCA impact category (i.e., category of environmental impact, such as global warming or acidification). This requires that the results obtained through QMRA be scaled to a functional unit, which is not the case in RA studies. The functional unit defines how results are reported using a consistent temporal scale and other assumptions (e.g., carbon dioxide equivalents released per treatment of 10 000 m~3 wastewater per day during 1 day). In our opinion, the choice of the functional unit for an LCA study that includes a QMRA-based impact category should be carefully considered, as we believe that some functional units are preferable to others.
机译：在废水管理的背景下，微生物危害通常在风险评估（RA）研究中得到解决，但目前并未常规纳入生命周期评估（LCA）研究中。最近一项将病原体风险纳入废水管理的LCA中的尝试探索了定量微生物风险评估（QMRA）的应用，目的是比较病原体风险与对人类健康的其他潜在影响。当在LCA框架中一起显示时，病原体风险被视为LCA影响类别（即，环境影响类别，例如全球变暖或酸化）。这要求通过QMRA获得的结果按比例缩放到一个功能单元，而RA研究中并非如此。功能单元定义了如何使用一致的时间尺度和其他假设（例如，每天处理1万立方米至3天的废水在1天内释放的二氧化碳当量）报告结果的方法。我们认为，应谨慎考虑为包含基于QMRA的影响类别的LCA研究选择功能单元，因为我们认为某些功能单元优于其他功能单元。

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  • 来源
    《Environmental Science & Technology》 |2015年第1期|14-15|共2页
  • 作者

    Robin Harder; Mary E. Schoen; Gregory M. Peters;

  • 作者单位

    Chemical Environmental Science, Department of Chemical and Biological Engineering, Chalmers University of Technology, SE-41296 Gothenburg, Sweden;

    Soller Environmental, Inc., 3022 King Street, Berkeley, California 94703, United States;

    Chemical Environmental Science, Department of Chemical and Biological Engineering, Chalmers University of Technology, SE-41296 Gothenburg, Sweden;

  • 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);
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  • 正文语种 eng
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