Air Separation Unit pipeline

flowchart LR airCompressionAndPrefiltration["compressione e prefiltrazione aria"] airPurificationAndCooling["purificazione e raffreddamento aria"] cryogenicLiquefactionAndDistillation["liquefazione e distillazione criogenica"] argonRecovery["recupero argon"] airCompressionAndPrefiltration --> airPurificationAndCooling airPurificationAndCooling --> cryogenicLiquefactionAndDistillation cryogenicLiquefactionAndDistillation --> argonRecovery in_oxygen(["ossigeno"]):::input in_oxygen --> airCompressionAndPrefiltration in_nitrogen(["azoto"]):::input in_nitrogen --> airCompressionAndPrefiltration in_air(["aria"]):::input in_air --> airCompressionAndPrefiltration out_compressedAir(["aria di processo compressa"]):::output airCompressionAndPrefiltration --> out_compressedAir in_compressedAir(["aria di processo compressa"]):::input in_compressedAir --> airPurificationAndCooling out_purifiedAir(["aria purificata"]):::output airPurificationAndCooling --> out_purifiedAir in_purifiedAir(["aria purificata"]):::input in_purifiedAir --> cryogenicLiquefactionAndDistillation out_oxygen(["ossigeno"]):::output cryogenicLiquefactionAndDistillation --> out_oxygen in_purifiedAir --> argonRecovery out_argon(["argon"]):::output argonRecovery --> out_argon classDef input fill:#e8f4ff,stroke:#06c classDef output fill:#e8ffe8,stroke:#0a7