acido tereftalico purificato da p-xilene

flowchart LR pxAirOxidation["ossidazione aria p-xilene"] ctaCrystallization["cristallizzazione + filtrazione CTA"] ctaHydrogenationPurification["purificazione idrogenazione CTA"] ptaCrystallizationFinal["cristallizzazione + essiccazione PTA finale"] s_pXylene(["p-xilene"]):::role_rawMaterial s_pXylene --> pxAirOxidation s_oxygen(["oxygen"]):::role_utility s_oxygen --> pxAirOxidation s_cobaltManganeseCatalyst(["catalizzatore Co-Mn-Br (Mid-Century)"]):::role_catalyst s_cobaltManganeseCatalyst -.-> pxAirOxidation s_crudeTerephthalicAcidCrude(["CTA bagnato (pre-cristallizzazione)"]):::role_intermediate pxAirOxidation --> s_crudeTerephthalicAcidCrude s_water(["acqua"]):::role_byproduct pxAirOxidation -.-> s_water s_crudeTerephthalicAcid(["acido tereftalico crudo (CTA)"]):::role_byproduct pxAirOxidation -.-> s_crudeTerephthalicAcid s_crudeTerephthalicAcidCrude --> ctaCrystallization ctaCrystallization --> s_crudeTerephthalicAcid s_crudeTerephthalicAcid --> ctaHydrogenationPurification s_hydrogen(["idrogeno"]):::role_rawMaterial s_hydrogen --> ctaHydrogenationPurification s_platinumZeoliteCatalyst(["catalizzatore Pt-zeolite"]):::role_catalyst s_platinumZeoliteCatalyst -.-> ctaHydrogenationPurification s_ptaCrude(["PTA grezzo (pre-cristallizzazione finale)"]):::role_intermediate ctaHydrogenationPurification --> s_ptaCrude s_ptaCrude --> ptaCrystallizationFinal s_pta(["PTA (acido tereftalico purificato)"]):::role_finalProduct ptaCrystallizationFinal --> s_pta 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:ptaPipeline .
} ORDER BY ?role