cracking catalitico (FCC)

flowchart LR fccRiserCracking["cracking FCC riser"] fccProductsSeparation["frazionatore principale FCC"] s_vacuumGasoil(["gasolio sotto vuoto (VGO)"]):::role_rawMaterial s_vacuumGasoil --> fccRiserCracking s_zeoliteFccCatalyst(["catalizzatore FCC zeolite USY"]):::role_catalyst s_zeoliteFccCatalyst -.-> fccRiserCracking s_fccGasolineCrude(["FCC gasoline grezza (pre-frazionamento)"]):::role_intermediate fccRiserCracking --> s_fccGasolineCrude s_propylene(["C3H6"]):::role_byproduct fccRiserCracking -.-> s_propylene s_fccLpg(["GPL FCC"]):::role_byproduct fccRiserCracking -.-> s_fccLpg s_butenes(["butileni"]):::role_byproduct fccRiserCracking -.-> s_butenes s_coke(["coke"]):::role_byproduct fccRiserCracking -.-> s_coke s_fccGasolineCrude --> fccProductsSeparation s_fccGasoline(["benzina FCC"]):::role_finalProduct fccProductsSeparation --> s_fccGasoline 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:fccPipeline .
} ORDER BY ?role