Documentation
Comprehensive guide to using the Metal LCA Tool effectively
Input Fields Guide
Detailed explanation of all assessment parameters
Recycled Content (%)
Percentage split between primary aluminum from bauxite mining and recycled aluminum content.
High Impact FactorOrigin Country
Geographic location affects energy grid composition and transportation emissions.
Medium ImpactCarbon Intensity
Regional energy grid carbon emissions per unit of energy consumed.
Medium ImpactRefining Process
Bayer Process is standard for alumina refining. Alternative processes may have different profiles.
Process SelectionEnergy Source Mix
Electricity source composition dramatically impacts carbon footprint.
Critical FactorEnergy Consumption
Total energy required for aluminum production (typical: 13-15 kWh/kg).
High Impact FactorProcess Type
Rolling, extrusion, and casting have different energy requirements and scrap rates.
Process EfficiencyScrap Generation & Reuse
Manufacturing scrap that can be immediately recycled back into the process.
Circularity FactorProduct Lifespan
Expected service life varies by application (packaging: 1 year, construction: 50+ years).
Longevity ImpactCollection & Recycling
Efficiency of collection systems and quality of recycling processes.
Circularity KeyHighest Impact
- • Recycled Content %
- • Energy Source Mix
- • Energy Consumption
Medium Impact
- • Origin Country
- • Manufacturing Process
- • Product Lifespan
Optimization Factors
- • Scrap Reuse Rate
- • Collection Efficiency
- • Recycling Quality