Exploring automated tracking of chemicals through their conditions of use to support life cycle chemical assessment

IF 4.9 3区 环境科学与生态学 Q2 ENGINEERING, ENVIRONMENTAL
John D. Chea, David E. Meyer, Raymond L. Smith, Sudhakar Takkellapati, Gerardo J. Ruiz-Mercado
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引用次数: 0

Abstract

Modeling the fate of chemicals across their life cycle when considering all potential uses can be challenging because of the data gaps arising from issues like confidential business information (data accessibility) and complex processing schemes (involvement in formulations, reactions, and separations) across multiple industries, products, and applications. Thus, assessing chemicals for safety and/or sustainability requires developing an extensive knowledge of chemical releases along the various conditions of use (CoU) to identify potential impacts on human health and the environment. The first step in this process is mapping the flow of a chemical throughout its various downstream uses, which can be time-intensive. Here, a chemical mapping methodology is developed to qualitatively assess the allocation of a chemical of interest from its manufacture through its CoU in consumer, commercial, and industrial products. The chemical flow mapping combines knowledge from searches of publicly available data sources based on the chemical's Chemical Abstracts Service number to determine viable chemical flow paths. Examples of data sources when applying this approach to chemicals in the United States include the Chemical Data Reporting database, the Toxics Release Inventory, the North American Industry Classification System, and the Chemical and Products Database. The methodology is demonstrated using case studies of methylene chloride and triphenyl phosphate. The value of this approach is its ability to be automated and enable rapid determination of the life cycle chemical flow for expedited chemical assessment.

探索通过化学品的使用条件自动跟踪化学品,以支持生命周期化学品评估
在考虑所有潜在用途时,对化学品在其整个生命周期中的命运进行建模可能具有挑战性,因为涉及多个行业、产品和应用的机密商业信息(数据可访问性)和复杂处理方案(参与配方、反应和分离)等问题会产生数据缺口。因此,评估化学品的安全性和(或)可持续性需要广泛了解化学品在不同使用条件下的释放情况,以确定对人类健康和环境的潜在影响。这个过程的第一步是绘制一种化学物质在其各种下游用途中的流动图,这可能是耗时的。在这里,开发了一种化学制图方法,以定性地评估感兴趣的化学物质从其制造到其在消费者,商业和工业产品中的CoU的分配。化学流程图结合了基于化学文摘服务编号的公开数据源搜索的知识,以确定可行的化学流程路径。在美国对化学品应用这种方法时,数据源的例子包括化学品数据报告数据库、有毒物质释放清单、北美工业分类系统和化学品和产品数据库。使用二氯甲烷和磷酸三苯酯的案例研究证明了该方法。该方法的价值在于其自动化的能力,并能够快速确定生命周期化学流,从而加快化学评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Industrial Ecology
Journal of Industrial Ecology 环境科学-环境科学
CiteScore
11.60
自引率
8.50%
发文量
117
审稿时长
12-24 weeks
期刊介绍: The Journal of Industrial Ecology addresses a series of related topics: material and energy flows studies (''industrial metabolism'') technological change dematerialization and decarbonization life cycle planning, design and assessment design for the environment extended producer responsibility (''product stewardship'') eco-industrial parks (''industrial symbiosis'') product-oriented environmental policy eco-efficiency Journal of Industrial Ecology is open to and encourages submissions that are interdisciplinary in approach. In addition to more formal academic papers, the journal seeks to provide a forum for continuing exchange of information and opinions through contributions from scholars, environmental managers, policymakers, advocates and others involved in environmental science, management and policy.
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