Brimstone, a U.S.-based innovator in alumina and other industrial materials, and Century Aluminum, the largest American primary aluminum producer, announced a memorandum of understanding (MOU) that would establish a domestic “mine-to-metal” supply chain for primary aluminum production. Under the agreement, Brimstone will supply Century with significant volumes of alumina—the key ingredient in aluminum production—from its […]
Alcoa Corporation entered into a definitive agreement to acquire South32 Limited’s interests, including its bauxite mine, alumina refinery, and aluminum smelter operations in a cash and stock transaction of approximately $4.1 billion. Alcoa will also assume related rehabilitation provisions of approximately US$1.2B. According to Alcoa, the acquisition will add a high-quality, low-cost, and globally diversified […]
Vedanta Group completed the historic demerger of its business into four independent companies — Vedanta Aluminium, Vedanta Oil & Gas, Vedanta Iron & Steel, and Vedanta Power listed on the Bombay Stock Exchange (BSE) and National Stock Exchange (NSE). Meanwhile, Vedanta Limited continues to be the Group’s flagship listed entity and one of India’s most […]
ALVANCE British Aluminium, an integrated aluminum business and the owner of the last remaining aluminum smelter in the U.K., signed a 10-year leasing agreement with VTG Rail UK for the supply of 20 modern four-axle powder tank wagons. The new rail wagons, which will replace a fleet of two-axle models that have been in service […]
Rio Tinto and AMG Metals & Materials, an energy transition solutions provider, signed an memorandum of understanding (MOU) to jointly assess the feasibility of developing an integrated low-carbon aluminum project powered by renewable energy in India. Together, the parties will consider the potential development of a primary aluminum smelter with a capacity of up to […]
The International Committee for Study of Bauxite, Alumina, and Aluminium (ICSOBA) hosted its 42nd International Conference and Exhibition in Lyon, France, from October 27 to 31, 2024, at the Lyon Convention Centre and the adjacent Marriott Hotel. Once again, the forum demonstrated that ICSOBA offers a unique platform for exchanging information on the latest innovations, […]
Alumtek Minerals (AM), based in Australia, recently completed research and development on bauxite residue waste, commonly known as red mud, which has resulted in the development of a technology to extract critical raw materials. Following a collaboration with Cement Australia, AM developed a supplementary cementitious material (SCM) that meets the stringent Australian Standard AS3582.4 and has […]
By Alton Tabereaux, Contributing Editor. Bauxite residue is an insoluble solid waste by-product generated after the digestion of gibbsitic bauxite ore with sodium hydroxide at elevated temperature and pressure in the Bayer process for the extraction of alumina. During the digestion process, aluminum minerals react with caustic soda process liquor to form soluble sodium aluminate […]
Hydro’s Alunorte alumina refinery signed a contract with Wave Aluminium to build a plant in Brazil that will work to address the challenges of bauxite residue — also known as red mud. The new plant will process bauxite residue, aiming to recover commercially valuable materials. Bauxite residue is generated after the bauxite ore has been processed […]
