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How to Use Normalization and Weighting in LCA: A Complete Guide from Basics to Advanced
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How to Use Normalization and Weighting in LCA: A Complete Guide from Basics to Advanced
DEISO

GHG emissions = 1.1 Gt CO₂ eqPopulation = 125MNF = 1,100,000,000 / 125,000,000 = 8.8 t CO₂ eq/person/year🔹 Section 7: How to Calculate Normalized ResultsFormula:Normalized Result = LCIA Result / Normalization FactorExample:LCIA = 1200 kg CO₂ eqNF = 8800 kg CO₂ eq/person/year→ Normalized result = 0.136🔹 Section 8: Raw vs. Normalized Comparison 🔹 Impact Category – Raw vs. Normalized Results Impact Category Raw Result Normalized Result Climate Change 1200 kg CO₂ eq 0.136 Acidification 98 mol H⁺ eq 0.217 Human…

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Normalization and Weighting in Life Cycle Assessment (LCA)
Environmental Impact Assessment sign on grass background
Blog Posts
Normalization and Weighting in Life Cycle Assessment (LCA)
DEISO

Normalization and weighting: Normalisation is commonly used to generate a single numerical score by weighting each impact category and totaling them. Environmental impact scores in LCA are displayed in physical units representing the potential for environmental impact. The results of different impact categories cannot be compared or combined. One method of Normalization is dividing your scores by the scores of a reference situation (e.g., total CO2 emissions from transportation in a particular country or industry). Normalization means relating the data…

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