Transcription of Introduction to Life Cycle Analysis (LCA)
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Introduction to Life Cycle Analysis (LCA)
2/19/14 1 Introduction to Life Cycle Assessment (LCA) T. G. Gutowski Department of Mechanical Engineering Massachusetts Institute of Technology 2/19/14 2 Outline general idea of LCA - quantitative method focused on energy and CO2 model LCA - small boundaries LCA -economy wide Steps - regional & world 2/19/14 3 The General Mining Manufacturing Use Phase End of Life 2/19/14 4 Mining Primary Mfg Distribution Use Disposition 0m 8m kipm kopm 0m 8m kipm kopm 0m 8m kipm kopm 0m 8m kipm kopm 0m 8m kipm kopm 0m 8m kipm kopm Recycle, Remanufacture, Reuse Life Cycle Stages (or Phases)
Life Cycle Perspective 1. Boundaries start from earth as the source, and stop at emissions 2. Focus is on a product or service 3. Impact potentials are aggregated (e.g.CO2e) 4. Tracking is of materials 5. Time stands still 6. We call this Life Cycle Inventory or LCI
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