- CEO
- Gheorghe Dobra
- Sector
- Non-energy minerals
- Industry
- Aluminum
- Address
- Tulcea Romania
- IPO Date
- Dec 2, 1997
- Business
- Alum SA is a Romania-based chemical and metallurgical company engaged in the refining of bauxite and the production of calcined alumina and aluminum hydroxide products. Headquartered in Tulcea, Romania, and founded in 1973, the company operates as the sole calcined alumina refinery in Romania and functions as the primary alumina refining subsidiary of Alro SA, one of the largest vertically integrated aluminum producers in Europe within the Vimetco Group. Alum SA operates across metallurgical and non-metallurgical product segments, manufacturing industrial-grade materials for primary aluminum smelting, chemical processing, water purification, ceramics, refractories, flame retardants, abrasives, and building materials. The company's core product portfolio comprises standard smelting-grade calcined alumina; specialized non-metallurgical calcined aluminas with controlled particle size distributions and low soda content for technical ceramics and refractory formulations; wet and dried aluminum hydroxide (aluminum trihydrate/ATH) used in coagulant production, water treatment, paper sizing, and synthetic zeolites; fine and coarse ground specialty hydrates serving as halogen-free flame retardant fillers in plastics, rubber compounds, cable insulation, and composite polymers; and industrial byproduct management and certified chemical laboratory testing services. Geographically, the company supplies raw materials internally to Alro's primary aluminum smelter in Slatina, Romania, while exporting specialty chemical-grade aluminas and hydrates to industrial clients across Central, Eastern, and Western Europe, the Middle East, and international markets. In recent operational developments, Alum SA executed a strategic realignment in response to severe European energy market volatility and elevated natural gas and electricity costs, temporarily suspending its energy-intensive primary calcined alumina refining operations while the parent group transitioned to external alumina sourcing. During this operational period, the company shifted its technical and industrial focus toward maintaining plant readiness, expanding research and development into high-margin niche non-metallurgical specialty hydrates, and advancing energy transition initiatives. Recent strategic projects include investments in facility energy efficiency, industrial solar photovoltaic generation, waste heat recovery systems, and ongoing participation in European circular economy consortia focused on the valorization of bauxite residue (red mud) for sustainable construction materials and critical raw material recovery.