{
  "schema_version": "1.0",
  "build_content_version": "NP176-I15",
  "title": "Границы вторичного сырья: опубликованные значения и условный расчёт",
  "source": {
    "publisher": "International Energy Agency",
    "title": "Recycling of Critical Minerals: Strategies to Scale Up Recycling and Urban Mining",
    "published": "2024-11-18",
    "revision": "2025-12",
    "license": "CC BY 4.0",
    "url": "https://www.iea.org/reports/recycling-of-critical-minerals",
    "download_url": "https://iea.blob.core.windows.net/assets/d041f616-2f49-4694-861c-97d489ed1856/RecyclingofCriticalMinerals.pdf",
    "file": "source_cache/IEA_Recycling_of_Critical_Minerals_rev_2025.pdf",
    "bytes": 7128589,
    "sha256": "bf54828d9f8b9e05646b0f22e5b1a4a9b183b590974974abe1824d4f053c3263",
    "access_date": "2026-09-14"
  },
  "published_records": [
    {
      "id": "D19",
      "material": "copper",
      "status": "IEA APS scenario projection",
      "region": "world",
      "values": [
        {
          "year": 2030,
          "available_eol_scrap_mt_cu": 19,
          "share_of_demand_percent": 60
        },
        {
          "year": 2050,
          "available_eol_scrap_mt_cu": 27,
          "share_of_demand_percent": 70
        }
      ],
      "boundary": "Maximum possible end-of-life feedstock before collection and recycling-process yield losses; excludes direct-use scrap.",
      "locator": "PDF page 83, Figure 2.23 and accompanying text",
      "transformation": "Displayed as published rounded values; no interpolation.",
      "source_internal_discrepancy": {
        "detailed_section": "PDF page 83: 27 Mt in 2050, 70% of APS demand",
        "revised_executive_summary": "PDF page 11: 28 Mt in 2050, 70% of projected demand",
        "display_policy": "The site retains 27 Mt from the detailed copper section and marks the one-million-tonne source discrepancy; it does not average the values."
      }
    },
    {
      "id": "D19-secondary",
      "material": "copper",
      "status": "IEA APS scenario projection",
      "region": "world",
      "values": [
        {
          "year": 2030,
          "total_secondary_supply_mt_cu": 15
        },
        {
          "year": 2050,
          "total_secondary_supply_mt_cu": 31
        }
      ],
      "boundary": "Secondary production plus direct-use scrap, after collection and recycling-process yield losses.",
      "locator": "PDF page 84, Figure 2.24 and accompanying text",
      "warning": "The definition differs from available end-of-life scrap; do not subtract one row from the other."
    },
    {
      "id": "D20",
      "material": "copper",
      "status": "published descriptive ranges",
      "values": [
        {
          "application": "consumer electrical products",
          "lifetime_years_min": 5,
          "lifetime_years_max": 10
        },
        {
          "application": "industrial electrical or building products",
          "lifetime_years_min": 20,
          "lifetime_years_max": 50
        }
      ],
      "locator": "PDF pages 32-33; network timing on page 83; accessibility of legacy copper on page 85",
      "boundary": "Ranges by application class, not a lifetime for every individual product."
    },
    {
      "id": "D21",
      "material": "aluminium",
      "status": "published comparative estimate",
      "value": 95,
      "unit": "percent less energy than primary aluminium production",
      "locator": "PDF page 40, Box 1.3",
      "boundary": "Relative energy comparison for recycled aluminium; not an absolute kWh/t value and not transferable to copper or battery metals."
    },
    {
      "id": "D24",
      "material": "copper",
      "status": "published industry-average relative estimate",
      "value": 15,
      "unit": "percent of energy required for primary copper mining and processing",
      "locator": "PDF page 138, Cross-cutting issues; Comparison of recycled versus primary production",
      "boundary": "Relative industry-average comparison: copper recycling versus mining and processing of primary copper. It is not an absolute kWh/t coefficient and is not route-, grade- or geography-specific.",
      "source_note": "IEA analysis based on GREET 2024, Copper Development Association, Van de Voet et al. (2018), and Golroubary et al. (2022)."
    }
  ],
  "calculation_contract": {
    "id": "M10",
    "status": "conditional deterministic calculation, not a forecast",
    "inputs": [
      {
        "id": "available_scrap",
        "unit": "mass",
        "required": true
      },
      {
        "id": "collection_rate",
        "unit": "percent",
        "required": true,
        "range": [
          0,
          100
        ]
      },
      {
        "id": "separation_yield",
        "unit": "percent",
        "required": true,
        "range": [
          0,
          100
        ]
      },
      {
        "id": "process_yield",
        "unit": "percent",
        "required": true,
        "range": [
          0,
          100
        ]
      },
      {
        "id": "demand",
        "unit": "same mass unit",
        "required": true
      },
      {
        "id": "secondary_energy_share_of_primary",
        "unit": "percent",
        "required": false
      }
    ],
    "formulas": {
      "secondary_output": "available_scrap * collection_rate/100 * separation_yield/100 * process_yield/100",
      "demand_coverage_percent": "secondary_output / demand * 100, undefined when demand is zero",
      "minimum_primary_requirement": "max(demand - secondary_output, 0)"
    },
    "missing_input_policy": "UNKNOWN; no default industry average is substituted",
    "scope_limit": "Does not model grade, capacity, geography, inventories, trade, price or absolute process energy. D24 supplies only a relative industry-average copper benchmark; route-specific and absolute copper energy remain UNKNOWN.",
    "copper_process_energy_boundary": {
      "status": "PARTIAL_PUBLISHED_RELATIVE_ESTIMATE",
      "value_percent_of_primary": 15,
      "record": "D24",
      "known": "industry-average relative comparison for copper recycling versus mining and processing of primary copper",
      "unknown": [
        "absolute kWh/t",
        "specific recycling route",
        "ore grade",
        "geography",
        "energy mix",
        "product quality"
      ],
      "calculator_policy": "The copper preset may insert 15 only with this visible boundary; the field remains editable and optional."
    }
  }
}