Filiera silicio metallurgico

flowchart LR siChargePreparation["preparazione carica Si"] carbothermicReduction["Riduzione carbotermica"] siRefining["raffinazione ossidativa Si"] s_quartz(["quarzo"]):::role_rawMaterial s_quartz --> siChargePreparation s_coke(["coke"]):::role_rawMaterial s_coke --> siChargePreparation s_coal(["carbone"]):::role_rawMaterial s_coal --> siChargePreparation s_woodChips(["scaglie di legno"]):::role_rawMaterial s_woodChips --> siChargePreparation s_siFurnaceCharge(["carica forno Si"]):::role_intermediate siChargePreparation --> s_siFurnaceCharge s_siFurnaceCharge --> carbothermicReduction s_coke --> carbothermicReduction s_silica(["silica"]):::role_rawMaterial s_silica --> carbothermicReduction s_siliconCrude(["silicio grezzo"]):::role_intermediate carbothermicReduction --> s_siliconCrude s_silicaFume(["fumi di silice"]):::role_byproduct carbothermicReduction -.-> s_silicaFume s_carbonMonoxide(["monossido di carbonio"]):::role_byproduct carbothermicReduction -.-> s_carbonMonoxide s_siliconCrude --> siRefining s_oxygen(["oxygen"]):::role_utility s_oxygen --> siRefining s_air(["aria"]):::role_utility s_air --> siRefining s_silicon(["silicio"]):::role_finalProduct siRefining --> s_silicon s_siRefiningSlag(["scoria raffinazione Si"]):::role_byproduct siRefining -.-> s_siRefiningSlag 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:metallurgicalSiliconPipeline .
} ORDER BY ?role