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How to Read This Index
- Sortability Score (1–10): Higher = easier to sort. Based on material distinctiveness, size consistency, and spectral signature clarity.
- Easy (8–10): Consistently sortable with >95% purity using standard optical/NIR equipment.
- Medium (5–7): Sortable with well-tuned equipment; may need multi-stage processing for high purity.
- Hard (3–4): Requires AI-powered or multi-sensor sorting; challenging with conventional technology.
- Extreme (1–2): Cutting-edge AI + sensor fusion required; active research area.
- Recovery Rate: Estimated maximum recovery achievable with optimal technology at commercial scale.
- Data sourced from AISORT installation benchmarks, industry publications, and peer-reviewed research. Updated May 2026.