CSN Volta Redonda steel plant

CSN Volta Redonda steel plant is a steel plant in Brazil with a reported capacity of 6,251,000 t of steel. It produces crude steel from iron ore (blast furnace) or scrap (electric arc furnace). It is operated by Companhia Siderúrgica Nacional SA. By capacity it ranks #2 of 22 steel plants tracked in Brazil. It emits about 7,646,497 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 1,782,400 cars. Its CO₂ per unit of capacity is about 126% above the median steel plant.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-32440381.

Im Kontext: wie sich diese Anlage vergleicht

Bei 6,251,000 t of steel ist CSN Volta Redonda steel plant deutlich über dem Medianwert von steel plant in Brazil (1,000,000 t of steel). Sein CO₂ pro Kapazitätseinheit liegt ungefähr 117% über dem Medianwert von steel plant. Untersektor: iron-and-steel. Als steel plant benötigt es intensive Prozesswärme (typischerweise 800–1500°C) für seinen Kernbetrieb — Wärme, die durch Dampfkessel, Öfen oder direkte Verbrennung geliefert werden muss, und Verluste durch ungedämmte Behälter und Rohrleitungen stellen verschwendeten Brennstoff dar. Modulare abnehmbare Dämmung kann diese Verluste um 80–96% senken, Oberflächen auf ≤45°C kühlen, mit Amortisationszeiten oft unter 2 Jahren. Stahlwerke verbrennen Kohle in Hochöfen oder nutzen Lichtbogenöfen zum Schmelzen von Schrott; in beiden Fällen muss das geschmolzene Metall über 1.500°C gehalten und durch umfangreiche heiße Rohrleitungen und Behälter geleitet werden.

Vergleich von Kapazität und CO₂-Intensität berechnet aus Climate TRACE Industrieanlagendaten; Sektorrolle basierend auf Ingenieurreferenz.

What 7,646,497 t CO₂e a year looks like

This facility's reported annual CO₂e in the everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Capacity vs largest steel plants in Brazil

Reported capacity (t of steel), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by Companhia Siderúrgica Nacional SA. All facilities by this operator →

Local climate

CSN Volta Redonda steel plant sits in a humid subtropical climate zone (Köppen Cfa), at 22.5°S in the southern hemisphere.

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

How it compares & nearby sites

The #2 largest of 22 steel plants in Brazil by reported capacity.

Nearby industrial sites

• New Magic Confeccoes Ltda · Textiles · 302 t CO₂
• ArcelorMittal Barra Mansa steel plant · Steel Plant · 445,433 t CO₂
• Spice Industria Quimica Ltda · Textiles · 302 t CO₂
• ArcelorMittal Resende steel plant · Steel Plant · 342,765 t CO₂
• Yrio Confeccoes Ltda · Textiles · 302 t CO₂
• Gerdau Cosigua Santa Cruz steel plant · Steel Plant · 236,392 t CO₂

Location

Coordinates -22.51217, -44.11244. View on OpenStreetMap.

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