Filiera bauxite-alluminio

flowchart LR bauxiteMining["estrazione bauxite a cielo aperto"] bayerProcess["Processo Bayer"] hallHeroultProcess["Hall-Héroult"] s_bauxite(["bauxite"]):::role_intermediate bauxiteMining --> s_bauxite m_bauxiteMine[/"⛏️ miniera di bauxite (open-pit lateritica)"/]:::role_mine m_bauxiteMine -.-> bauxiteMining s_aluminiumHydroxide(["idrossido di alluminio"]):::role_rawMaterial s_aluminiumHydroxide --> bayerProcess s_bauxite --> bayerProcess s_sodiumHydroxide(["sodium hydroxide"]):::role_utility s_sodiumHydroxide --> bayerProcess s_water(["acqua"]):::role_utility s_water --> bayerProcess s_aluminiumOxide(["aluminium oxide"]):::role_intermediate bayerProcess --> s_aluminiumOxide s_sodiumAluminate(["alluminato di sodio"]):::role_byproduct bayerProcess -.-> s_sodiumAluminate s_redMud(["red mud"]):::role_waste bayerProcess -.-> s_redMud s_coke(["coke"]):::role_rawMaterial s_coke --> hallHeroultProcess s_aluminiumOxide --> hallHeroultProcess s_cryolite(["criolite"]):::role_catalyst s_cryolite -.-> hallHeroultProcess s_aluminium(["alluminio"]):::role_finalProduct hallHeroultProcess --> s_aluminium s_carbonDioxide(["carbon dioxide"]):::role_byproduct hallHeroultProcess -.-> s_carbonDioxide classDef role_rawMaterial fill:#e8f4ff,stroke:#06c,color:#003 classDef role_finalProduct fill:#e8ffe8,stroke:#0a7,color:#030 classDef role_intermediate fill:#f0f0f0,stroke:#666,color:#333 classDef role_byproduct fill:#fff4e0,stroke:#cc7a00,color:#642 classDef role_waste fill:#fae8e8,stroke:#888,stroke-dasharray:3 3,color:#444 classDef role_utility fill:#e0f7f7,stroke:#06c8c8,color:#033 classDef role_catalyst fill:#fde0f0,stroke:#cc3399,color:#506 classDef role_mine fill:#f5e6d3,stroke:#8b5a2b,color:#3d2e15,stroke-width:2px

PREFIX chem: <https://ontology.siletto.it/chem-pipeline#>
SELECT ?role ?substance WHERE {
  ?substance chem:playsRole ?ra .
  ?ra chem:role ?role ; chem:inPipeline chem:bauxiteToAluminiumPipeline .
} ORDER BY ?role