{
  "authors": [],
  "basis": {
    "capacity": "per tonne of NPK 15-15-15 (the dataset's basis); no plant size (typical plants make about 50 t/h)"
  },
  "benchmarks": [
    {
      "dataset": "npk-nitrophosphate-odda",
      "expression": "product:calcium-carbonate / ( product:npk * 0.15 )",
      "family": "fertilizers",
      "kpi": "npk-np-calcium-carbonate",
      "problem": "1 to t/t needs core's foundation.units (pip install 'cheme-as-code[units]')",
      "reference": {
        "basis": "unallocated",
        "conditions": {
          "capacity": "200 t/d P2O5",
          "product": "NPK 15-15-15",
          "technology": "nitrophosphate route with CNTH conversion to CaCO3 and AN"
        },
        "id": "efma-2000-npk-np-caco3",
        "note": "The source says around 2.2 t, depending on the rock and the cooling temperature. A single value, recorded as a zero-width range and not widened.",
        "range": [
          2.2,
          2.2
        ],
        "source": {
          "accessed": "2026-11-05",
          "citation": "EFMA (2000) Best Available Techniques for Pollution Prevention and Control in the European Fertilizer Industry, Booklet No. 7 of 8: Production of NPK fertilizers by the nitrophosphate route, 2000 edition (Fertilizers Europe)",
          "kind": "other",
          "locator": "Section 2.1, p. 8",
          "url": "https://www.fertilizerseurope.com/wp-content/uploads/2019/08/Booklet_7_final.pdf"
        }
      },
      "status": "unchecked",
      "title": "Calcium carbonate from the CNTH conversion per t of P2O5 in the NPK",
      "unit": "t/t",
      "value": null
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "expression": "feed:carbon-dioxide / ( product:npk * 0.15 )",
      "family": "fertilizers",
      "kpi": "npk-np-co2-conversion",
      "problem": "1 to t/t needs core's foundation.units (pip install 'cheme-as-code[units]')",
      "reference": {
        "basis": "unallocated",
        "conditions": {
          "capacity": "200 t/d P2O5",
          "product": "NPK 15-15-15",
          "technology": "nitrophosphate route with CNTH conversion to CaCO3 and AN"
        },
        "id": "efma-2000-npk-np-co2",
        "note": "The source says around 1.0 t of CO2 per t of P2O5 (sections 2.2.4.1 and 4). A single value, recorded as a zero-width range and not widened.",
        "range": [
          1.0,
          1.0
        ],
        "source": {
          "accessed": "2026-11-05",
          "citation": "EFMA (2000) Best Available Techniques for Pollution Prevention and Control in the European Fertilizer Industry, Booklet No. 7 of 8: Production of NPK fertilizers by the nitrophosphate route, 2000 edition (Fertilizers Europe)",
          "kind": "other",
          "locator": "Section 2.2.4.1, p. 13, and section 4, p. 20",
          "url": "https://www.fertilizerseurope.com/wp-content/uploads/2019/08/Booklet_7_final.pdf"
        }
      },
      "status": "unchecked",
      "title": "CO2 used by the CNTH conversion per t of P2O5 in the NPK",
      "unit": "t/t",
      "value": null
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "expression": "feed:phosphate-rock / ( product:npk * 0.15 )",
      "family": "fertilizers",
      "kpi": "npk-np-phosphate-rock",
      "problem": "1 to t/t needs core's foundation.units (pip install 'cheme-as-code[units]')",
      "reference": {
        "basis": "unallocated",
        "conditions": {
          "capacity": "200 t/d P2O5",
          "product": "NPK 15-15-15",
          "technology": "nitrophosphate route"
        },
        "id": "efma-2000-npk-np-rock",
        "note": "Our conversion of the source's reference plant: 200 t/d of P2O5 equivalent to about 700 t/d of rock, depending on the rock (so about 28.6 % P2O5 in the rock). A single value, recorded as a zero-width range.",
        "range": [
          3.5,
          3.5
        ],
        "source": {
          "accessed": "2026-11-05",
          "citation": "EFMA (2000) Best Available Techniques for Pollution Prevention and Control in the European Fertilizer Industry, Booklet No. 7 of 8: Production of NPK fertilizers by the nitrophosphate route, 2000 edition (Fertilizers Europe)",
          "kind": "other",
          "locator": "Section 1, p. 7",
          "url": "https://www.fertilizerseurope.com/wp-content/uploads/2019/08/Booklet_7_final.pdf"
        }
      },
      "status": "unchecked",
      "title": "Phosphate rock per t of P2O5 in the NPK",
      "unit": "t/t",
      "value": null
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "expression": "feed:electricity / product:npk",
      "family": "fertilizers",
      "kpi": "npk-np-specific-electricity",
      "no_open_reference": "No open source independent of the dataset found (2026-11-05). The only open figures for the nitrophosphate route are the two of LVIC-AAF BREF Table 7.3, p. 290 (AMI Linz 109 kWh/t, infoMil 2001 50 kWh/t), and the dataset takes its value as their midpoint, so a range made of them would only check the transcription. Read: EFMA (2000) BAT booklet No. 7 (no energy figures); UNIDO (1985) comparison of the Odda NPK process (downloads.unido.org, costs only). Not found as open text: Davis and Haglund (1999) SIK report 654. ecoinvent NPK datasets are licensed and not used.",
      "problem": "kWh/kg to kWh/t needs core's foundation.units (pip install 'cheme-as-code[units]')",
      "reference": null,
      "status": "unchecked",
      "title": "Electricity per t of NPK, nitrophosphate route",
      "unit": "kWh/t",
      "value": null
    }
  ],
  "chemistry": {
    "inputs": [
      {
        "chemical": "phosphate-rock",
        "grade": null,
        "inventory_key": "feed:phosphate-rock",
        "note": "Moroccan sedimentary rock, modelled as fluorapatite, calcite, fluorite and silica (33.6 % P2O5), the model rock of phosphoric-acid-1",
        "role": "feedstock"
      },
      {
        "chemical": "nitric-acid",
        "grade": null,
        "inventory_key": "feed:nitric-acid",
        "note": "about 60 wt%, counted by mass of the acid; linked to nitric-acid-1 (lca/mappings.yaml)",
        "role": "feedstock"
      },
      {
        "chemical": "ammonia",
        "grade": null,
        "inventory_key": "feed:ammonia",
        "note": "liquid; linked to ammonia-1 (lca/mappings.yaml)",
        "role": "feedstock"
      },
      {
        "chemical": "potassium-chloride",
        "grade": null,
        "inventory_key": "feed:potassium-chloride",
        "note": "muriate of potash, taken as pure KCl (ASSUMED)",
        "role": "feedstock"
      },
      {
        "chemical": "carbon-dioxide",
        "grade": null,
        "inventory_key": "feed:carbon-dioxide",
        "note": "from an ammonia plant's CO2 removal, for the CNTH conversion",
        "role": "feedstock"
      },
      {
        "chemical": "dolomite",
        "grade": null,
        "inventory_key": "feed:dolomite",
        "note": "ASSUMED filler that closes the grade",
        "role": "feedstock"
      },
      {
        "chemical": "methane",
        "grade": null,
        "inventory_key": "feed:natural-gas",
        "note": "natural gas for the dryers, taken as pure methane (ASSUMED)",
        "role": "feedstock"
      },
      {
        "chemical": "air",
        "grade": null,
        "note": "combustion air, free; its O2 is feed:O2",
        "role": "feedstock"
      }
    ],
    "outputs": [
      {
        "chemical": "npk-fertilizer",
        "grade": null,
        "inventory_key": "product:npk",
        "role": "main-product"
      },
      {
        "chemical": "ammonium-nitrate",
        "grade": "solution",
        "inventory_key": "product:ammonium-nitrate",
        "note": "AN solution from the CNTH conversion, meant for CAN or AN production (not linked yet), counted as NH4NO3",
        "role": "co-product"
      },
      {
        "chemical": "calcium-carbonate",
        "grade": null,
        "inventory_key": "product:calcium-carbonate",
        "note": "lime from the CNTH conversion, meant for CAN production (not linked yet)",
        "role": "co-product"
      },
      {
        "chemical": "silicon-dioxide",
        "grade": null,
        "inventory_key": "output:sand",
        "note": "washed sand from the digestion liquor, used as building material",
        "role": "by-product"
      },
      {
        "chemical": "carbon-dioxide",
        "grade": null,
        "inventory_key": "emission:CO2",
        "note": "rock carbonate and fuel",
        "role": "emission"
      },
      {
        "chemical": "water",
        "grade": null,
        "inventory_key": "emission:H2O",
        "note": "the net water, as vapour (ASSUMED)",
        "role": "emission"
      }
    ],
    "utilities": [
      {
        "chemical": "electricity",
        "grade": null,
        "inventory_key": "feed:electricity",
        "role": "utility"
      },
      {
        "chemical": "steam",
        "grade": null,
        "inventory_key": "feed:steam",
        "note": "by mass; pressure not stated by the source (AN evaporation takes saturated steam up to 9 bar)",
        "role": "utility"
      },
      {
        "chemical": "air",
        "grade": null,
        "note": "feed:compressed-air: 38 Nm3/t compressed air (AMI Linz), pressure and dryness not stated, so not linked to utility-instrument-air (8 bar(a), per kg); a reported gap",
        "role": "utility"
      }
    ]
  },
  "description": "",
  "design_basis": null,
  "engineering": null,
  "facets": {
    "feedstock_basis": [
      "mineral",
      "fossil"
    ],
    "product_classes": [
      "fertilizers"
    ],
    "region": "EU",
    "unit_operations": [
      "reaction",
      "crystallization",
      "filtration",
      "granulation",
      "drying"
    ]
  },
  "families": [
    "fertilizers"
  ],
  "gap_count": 11,
  "gates": null,
  "id": "npk-fertilizers-1",
  "issues": {
    "closed_count": 0,
    "list_url": "https://github.com/ChemE-as-Code/process-library/issues?q=is%3Aissue%20label%3A%22process%3Anpk-fertilizers-1%22",
    "new": {
      "action": "https://github.com/ChemE-as-Code/process-library/issues/new?template=1-action-item.yml&labels=process%3Anpk-fertilizers-1&process=npk-fertilizers-1",
      "change": "https://github.com/ChemE-as-Code/process-library/issues/new?template=4-design-change.yml&labels=process%3Anpk-fertilizers-1&process=npk-fertilizers-1",
      "hold": "https://github.com/ChemE-as-Code/process-library/issues/new?template=2-engineering-hold.yml&labels=process%3Anpk-fertilizers-1&process=npk-fertilizers-1",
      "process": "https://github.com/ChemE-as-Code/process-library/issues/new?template=6-process-development.yml&labels=process%3Anpk-fertilizers-1&process=npk-fertilizers-1",
      "tq": "https://github.com/ChemE-as-Code/process-library/issues/new?template=3-technical-query.yml&labels=process%3Anpk-fertilizers-1&process=npk-fertilizers-1",
      "tracker": "https://github.com/ChemE-as-Code/process-library/issues/new?template=7-process-tracker.yml&labels=process%3Anpk-fertilizers-1&process=npk-fertilizers-1"
    },
    "open": [],
    "open_by_gate": {},
    "open_count": 0,
    "private": false,
    "repository": "ChemE-as-Code/process-library"
  },
  "keywords": [
    "npk",
    "compound fertiliser",
    "nitrophosphate",
    "odda",
    "phosphate rock",
    "nitric acid",
    "calcium nitrate",
    "cnth",
    "granulation"
  ],
  "lca": null,
  "lci_gaps": [
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "feed:phosphate-rock",
      "link": "technosphere",
      "type": "input"
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "feed:potassium-chloride",
      "link": "technosphere",
      "type": "input"
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "feed:carbon-dioxide",
      "link": "technosphere",
      "type": "input"
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "feed:dolomite",
      "link": "technosphere",
      "type": "input"
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "feed:compressed-air",
      "link": "technosphere",
      "type": "input"
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "output:sand",
      "link": "technosphere",
      "type": "output"
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "emission:PM",
      "link": "biosphere",
      "type": "emission"
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "emission:HF",
      "link": "biosphere",
      "type": "emission"
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "emission:N-water",
      "link": "biosphere",
      "type": "emission"
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "emission:P2O5-water",
      "link": "biosphere",
      "type": "emission"
    },
    {
      "dataset": "npk-nitrophosphate-odda",
      "key": "emission:F-water",
      "link": "biosphere",
      "type": "emission"
    }
  ],
  "maintainers": [],
  "maturity": "concept",
  "preliminary": true,
  "provenance": {
    "library_commit": "a3c52e472f42fbc8cdacfeacf5ef28703c004174",
    "previews": null,
    "previews_stale": false,
    "source_commit": "a3c52e472f42fbc8cdacfeacf5ef28703c004174"
  },
  "publication": {
    "license": "CC-BY-4.0",
    "status": "public"
  },
  "references": [
    {
      "title": "European Commission, JRC (2007) Reference Document on Best Available Techniques for the Manufacture of Large Volume Inorganic Chemicals - Ammonia, Acids and Fertilisers (LVIC-AAF BREF), August 2007, chapters 5 and 7",
      "url": "https://eippcb.jrc.ec.europa.eu/sites/default/files/2019-11/lvic_aaf.pdf"
    },
    {
      "title": "EFMA (2000) Best Available Techniques for Pollution Prevention and Control in the European Fertilizer Industry, Booklet No. 7 of 8: Production of NPK fertilizers by the nitrophosphate route, 2000 edition (Fertilizers Europe)",
      "url": "https://www.fertilizerseurope.com/wp-content/uploads/2019/08/Booklet_7_final.pdf"
    }
  ],
  "repository": {
    "access": "public",
    "path": "processes/npk-fertilizers-1",
    "url": "https://github.com/ChemE-as-Code/process-library"
  },
  "representations": [],
  "summary": "Tier 0 screening per tonne of NPK 15-15-15: feeds from the stoichiometry of a model rock and product with the EFMA NP-solution composition, utilities from two EU plants in the LVIC-AAF BREF, emissions from EFMA BAT levels. Ammonium nitrate and lime are co-products. No flowsheet; not reviewed.",
  "title": "NPK 15-15-15 by the nitrophosphate (ODDA) route, with CNTH conversion to ammonium nitrate and lime",
  "validation": {
    "status": "unreviewed"
  },
  "viewer": null
}