Slatina aluminium plant

Slatina aluminium plant is an aluminium smelter in Romania. Its listed capacity is 62,000 t of alumina/aluminum. Aluminium smelters use large electric currents to refine alumina into molten aluminium above 900°C, and the hot metal must flow through crucibles and casting equipment. It is operated by Alro Slatina SA. By capacity it ranks #1 among 2 aluminium smelters in Romania. It emits about 141,055 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 33k passenger cars. Its CO₂ per unit of capacity is 9% above the national median for this sector.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-3673118.

In context: how this facility compares

At 62,000 t of alumina/aluminum, Slatina aluminium plant is around the median aluminium smelter in Romania (62,000 t of alumina/aluminum). Subsector: aluminum. As aluminium smelter, it requires high process heat (typically 600–900°C) for its core industrial operations — heat that must be supplied by boilers, furnaces or direct combustion, and losses through uninsulated vessels and piping represent wasted fuel. Removable modular insulation can cut those losses by 80–96%, surface-cooling equipment to ≤45°C, with payback often under 2 years. Aluminium smelters use large electric currents to refine alumina into molten aluminium above 900°C, and the hot metal must flow through crucibles and casting equipment.

Capacity & CO₂-intensity comparison computed from Climate TRACE industrial facilities data; sector role based on engineering reference.

What 141,055 t CO₂e a year looks like

This facility's estimated annual CO₂e (Climate TRACE, modelled) in everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

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

Capacity vs largest aluminium smelters in Romania

Listed capacity (t of alumina/aluminum), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by Alro Slatina SA. All facilities by this operator →

Local climate

Slatina aluminium plant sits in a humid subtropical climate zone (Köppen Cfa), at 44.4°N in the northern hemisphere.

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

Site climate & environmental severity

The local climate sets how fast unprotected steel, protective coatings and the insulation on hot process equipment degrade at this site. It sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

In this site’s local climate, a bare 150 °C surface sheds about 1388 W/m² to ambient — roughly 1.07× the loss at a 20 °C reference; removable insulation recovers about 1319 W/m² of that. Reference-surface calculation at a 150 °C surface from WorldClim climate normals (ASTM C680 / ISO 12241) — an indicative per-climate comparison, not a measurement of this site’s specific equipment. Open method dataset: DOI 10.5281/zenodo.20787408 (CC BY 4.0).

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby sites

The #1 largest of 2 aluminium smelters in Romania by listed capacity (Climate TRACE).

Nearby industrial sites

• SC ALRO SA SLATINA - Sediu primar · Metals Plant · 398,000 t CO₂
• OMV Petrobrazi Ploiesti Refinery · Refinery · 1,120,716 t CO₂
• Donalam Targoviste plant · Steel Plant · 35,855 t CO₂
• Valea Mare Pravat Cement Plant · Cement Plant · 325,341 t CO₂
• Sc Carmeuse Holding Srl · Lime Plant · 167,667 t CO₂
• Fieni Cement Plant · Cement Plant · 608,301 t CO₂

Location

Coordinates 44.44651, 24.39145. View on OpenStreetMap.

Heat loss & insulation profile

For a aluminium smelter, the main modular-insulation targets are alumina calciner, casthouse furnaces, hot ducting (electrolysis itself is electric). Typical hot-surface ranges used for screening: 150–1,000 °C.

electrolysis is mostly electricity (Scope 2) + anode process; on-site combustion small - insulation mainly relevant to alumina refining/casthouse.

Indicative recoverable energy

A first-pass insulation screen suggests about 1,800 MWh/year of recoverable heat-loss reduction and about 370 t CO₂e/year of avoided emissions. Screening estimate scaled from installed process-heat projects and surface-temperature reduction data.

See Inzonex Modular Insulation → Run the calculator →

Screening calculation from facility class, capacity and open emissions/energy context. Engineering survey required before procurement.

Safety & the no-regret first step

Start with a thermal survey of valves, flanges, doors and bends. Removable modular insulation keeps maintenance access open while lowering exposed-surface temperature and wasted heat.

EU policy pressure on this sector

Obligation

This facility is inside the EU. For thermal equipment, insulation upgrades can support ETS exposure reduction and energy-efficiency compliance.

Sources: EU ETS, CBAM and national energy-efficiency schemes.

Frequently asked questions