A Process Chaining Approach toward Product Design for Environment

Paul Sheng and Paul Worhach

Journal of Industrial Ecology, 1997, vol. 1, issue 4, 35-55

Abstract: This article presents an approach toward product design for environment (DfE) at the level that integrates environmental hazard analysis with models of transformation processes. As a complementary analysis tool to life‐cycle assessment (LCA), this method would support detailed design decisions through modeling of a “process chain” for a subset of the product's life cycle. The building blocks for this approach are a set of unit process models that can convert process and design parameters into estimates for energy utilization, production scrap, and ancillary waste flows. These values for quantity of environmental releases can be integrated using a multicriiteria environmental hazard evaluation methodology that can estimate the “qualrty” of environmental releases. Finally, the waste information can be used to support a design model that can link design parameters to material, process, and operational parameter selection. A case study illustrating printed circuit board (PCB) assembly is presented to show process chain implementation in manufacturing applications.

Date: 1997
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