A data engineering approach for sustainable chemical end-of-life management

被引:6
作者
Hernandez-Betancur, Jose D. [1 ,2 ]
Martin, Mariano [2 ]
Ruiz-Mercado, Gerardo J. [3 ,4 ]
机构
[1] US EPA, Oak Ridge Inst Sci & Educ, Off Res & Dev, Cincinnati, OH 45268 USA
[2] Univ Salamanca, Dept Chem Engn, Plz Caidos 1, Salamanca 37008, Spain
[3] US EPA, Off Res & Dev, 26 W Martin L King Dr, Cincinnati, OH 45268 USA
[4] Univ Atlantico, Chem Engn Grad Program, Puerto Colombia 080007, Colombia
关键词
Circular life cycle; End-of-life management chain; Chemical flow analysis; Data pipeline; CIRCULAR ECONOMY; PLASTICS; LCA;
D O I
10.1016/j.resconrec.2021.106040
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The presence of chemicals causing significant adverse human health and environmental effects during end-of-life (EoL) stages is a challenge for implementing sustainable management efforts and transitioning towards a safer circular life cycle. Conducting chemical risk evaluation and exposure assessment of potential EoL scenarios can help understand the chemical EoL management chain for its safer utilization in a circular life-cycle environment. However, the first step is to track the chemical flows, estimate releases, and potential exposure pathways. Hence, this work proposes an EoL data engineering approach to perform chemical flow analysis and screening to support risk evaluation and exposure assessment for designing a safer circular life cycle of chemicals. This work uses publicly-available data to identify potential post-recycling scenarios (e.g., industrial processing/use operations), estimate inter-industry chemical transfers, and exposure pathways to chemicals of interest. A case study demonstration shows how the data engineering framework identifies, estimates, and tracks chemical flow transfers from EoL stage facilities (e.g., recycling and recovery) to upstream chemical life cycle stage facilities (e. g., manufacturing). Also, the proposed framework considers current regulatory constraints on closing the recycling loop operations and provides a range of values for the flow allocated to post-recycling uses associated with occupational exposure and fugitive air releases from EoL operations.
引用
收藏
页数:13
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