Alumina Refinery

An industrial plant that processes bauxite ore using the Bayer process to produce alumina (Al₂O₃) for supply to aluminium smelters or chemical markets. An alumina refinery typically includes crushing and milling facilities, high-pressure digesters, clarifiers, precipitation tanks, filtration units, and rotary or fluidised bed calciners. Refineries are capital-intensive assets requiring reliable bauxite supply, energy, and water resources for sustained operation.