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Steel DRI-H2 EAF pipeline

IRI
chem:steelDRIH2EAFPipeline
Unit Operation
4
CO₂eq cumulato
0.68 kg/kg

Diagramma di flusso

flowchart LR ironOrePelletizing["pelletizzazione Fe"] driH2Reduction["riduzione DRI a idrogeno"] eafMelting["EAF fusione"] continuousCasting["colata continua"] driH2Reduction --> eafMelting eafMelting --> continuousCasting in_hematite(["ematite"]):::input in_hematite --> ironOrePelletizing in_magnetite(["magnetite"]):::input in_magnetite --> ironOrePelletizing in_limestone(["CaCO3"]):::input in_limestone --> ironOrePelletizing out_ironOrePellet(["pellet"]):::output ironOrePelletizing --> out_ironOrePellet in_ironOrePellet(["pellet"]):::input in_ironOrePellet --> driH2Reduction in_greenHydrogen(["idrogeno verde"]):::input in_greenHydrogen --> driH2Reduction out_spongeIron(["ferro spugna"]):::output driH2Reduction --> out_spongeIron in_spongeIron(["ferro spugna"]):::input in_spongeIron --> eafMelting in_scrap(["rottame"]):::input in_scrap --> eafMelting in_lime(["calce"]):::input in_lime --> eafMelting out_steel(["acciaio"]):::output eafMelting --> out_steel in_steel(["acciaio"]):::input in_steel --> continuousCasting out_slab(["slab"]):::output continuousCasting --> out_slab out_bloom(["bloom"]):::output continuousCasting --> out_bloom classDef input fill:#e8f4ff,stroke:#06c classDef output fill:#e8ffe8,stroke:#0a7

Unit Operation

OperazioneConsumaProduceCatalizzatoreEquipmentCO₂eqResa
pelletizzazione Fe ematite, magnetite, CaCO3 pellet 0.18 0.95
riduzione DRI a idrogeno pellet, idrogeno verde ferro spugna shaft furnace DRI 0.05 0.94
EAF fusione ferro spugna, rottame, calce acciaio elettrodi di grafite 0.40 0.92
colata continua acciaio slab, bloom colatrice continua 0.05 0.97

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