Vedanta Aluminium has commissioned its 1.5m tpy expansion at its alumina refinery in Lanjigarh, Odisha.
Primary Production
Century Aluminum has been selected by the US Department of Energy (DoE) to receive USD500m investment to build a new ‘green’ aluminium smelter to accelerate industrial decarbonisation.
Metso will deliver six semi-atugenous grinding (SAG) mills to a bauxite application in China to support a low-carbon aluminium industry project.
In part II of this article we focus on the joint development, as increasing potline currents and voltage ratings of smelting plants require high power rectifiers.
Modelling of the cathode block assembly using different types of newly developed collector bar super ramming pastes.
The 180 kA Trimet cell MHD-Valdis model is used in this modelling study.
Consistent fineness of fines in the anode dry aggregate is essential for good performance in aluminium smelting. The implementation of the RDC Blaine apparatus in the paste plant quality control system allows quantification of the progress made towards consistent fines.
Calculations on a full 3D cell show the importance of this coupling between thermal-electric and magneto-hydrodynamic effects in various fields.
Optimised recovery and recycling of spent potlining (SPL) is an opportunity for aluminium smelters to eliminate the risks with SPL.
Rectifiers and the aluminium industry developed conjointly, as increasing potline currents and voltage ratings of smelting plants require high power rectifiers.
ASCM systems with climb milling technology allow deeper and narrower slots in anodes used in aluminium smelters, improving efficiency and mechanical behaviour.
Vedanta Aluminium has announced a significant breakthrough in potlining design at its aluminium smelters.
Century Aluminum has signed a new, three-year power contract for the Mt. Holly aluminium smelter.
Emirates Global Aluminium and Inalum have completed the start-up of five pilot reduction cells at Inalum’s Kuala Tanjung aluminium smelter in Indonesia.
In South Africa, South32 is engaged in an ambitious project to limit hydrogen fluoride (HF) emissions at 0,5 mg/Nm³ by April 2025.
Rio Tinto will invest USD1.1bn to expand its state-of-the-art AP60 aluminium smelter equipped with low-carbon technology at Complexe Jonquière in Canada.
Hydro has reached an agreement with Glencore to acquire Hydro's shares in the Brazilian bauxite and alumina business.
Hydro Alunorte and Wave Aluminium have signed a contract to build a plant in Brazil to process bauxite residue, aiming to recover commercially valuable materials.
Alcoa will restart its aluminium smelter in San Ciprián, Spain, in 2024.