Filiera H2SO4 da zolfo elementale

flowchart LR sulfurBurning["bruciatura zolfo"] so2CatalyticConversion["conversione catalitica SO2"] so3Absorption["assorbimento SO3"] s_sulfur(["zolfo"]):::role_rawMaterial s_sulfur --> sulfurBurning s_oxygen(["oxygen"]):::role_utility s_oxygen --> sulfurBurning s_sulfurDioxide(["anidride solforosa"]):::role_intermediate sulfurBurning --> s_sulfurDioxide s_sulfurDioxide --> so2CatalyticConversion s_oxygen --> so2CatalyticConversion s_vanadiumPentoxide(["pentaossido di vanadio"]):::role_catalyst s_vanadiumPentoxide -.-> so2CatalyticConversion s_sulfurTrioxide(["triossido di zolfo"]):::role_intermediate so2CatalyticConversion --> s_sulfurTrioxide s_water(["acqua"]):::role_utility s_water --> so3Absorption s_sulfurTrioxide --> so3Absorption s_sulfuricAcid(["acido solforico"]):::role_finalProduct s_sulfuricAcid --> so3Absorption so3Absorption --> s_sulfuricAcid s_oleum(["oleum"]):::role_finalProduct so3Absorption --> s_oleum so3Absorption -. recycle .-> s_sulfuricAcid 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:sulfuricAcidFromSulfurPipeline .
} ORDER BY ?role