Integration of Life Cycle Inventories Incorporating Manufacturing Unit Processes
Paper in proceedings, 2011
Sustainable manufacturing (SM) concerns the manufacture of products with regard to environmental, social, and economic impacts over the entire life cycle. With a primary focus on environmental concerns, life cycle assessment (LCA) can support SM practices. The life cycle inventory (LCI) is a key phase of LCA, and this paper considers the integration of manufacturing unit processes (MUPs) into system-level LCIs, which requires consideration of process ﬂow diagrams at different levels of abstraction. Furthermore, uncertainty quantiﬁcation is an important compo- nent of LCA interpretation, and this paper proposes a method to synthesize LCIs from the process-level to the system-level that consistently quantiﬁes uncertainty in the inventories. The method can incorporate MUP data derived from measurements and/or modeling and simulation. Further development towards a complete methodology is discussed.
life cycle assessment
life cycle inventory
manufacturing unit process