Filiera ASU separazione aria

flowchart LR airCompressionAndPrefiltrationASU["airCompressionAndPrefiltrationASU"] airPurificationAndCooling["purificazione e raffreddamento aria"] cryogenicLiquefactionAndDistillation["liquefazione e distillazione criogenica"] argonRecovery["recupero argon"] cryogenicLiquefactionAndDistillation --> argonRecovery s_air(["aria"]):::role_utility s_air --> airCompressionAndPrefiltrationASU s_compressedAir(["aria compressa"]):::role_intermediate airCompressionAndPrefiltrationASU --> s_compressedAir s_compressedAir --> airPurificationAndCooling s_purifiedAir(["aria purificata"]):::role_intermediate airPurificationAndCooling --> s_purifiedAir s_purifiedAir --> cryogenicLiquefactionAndDistillation s_oxygen(["oxygen"]):::role_finalProduct cryogenicLiquefactionAndDistillation --> s_oxygen s_nitrogen(["azoto"]):::role_byproduct cryogenicLiquefactionAndDistillation -.-> s_nitrogen s_purifiedAir --> argonRecovery s_argon(["argon"]):::role_finalProduct argonRecovery --> s_argon 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:airSeparationUnitPipeline .
} ORDER BY ?role