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In September 2006, Alcoa obtained permission from the Western Australian government to expand the size of the refinery to become the biggest such refinery in the world, with production capacity increased from 2.6 million tonnes (5.7 billion pounds) per year to around 4.7 million tonnes (10 billion pounds) per year, although very strict ...
Alcoa World Alumina and Chemicals is a owned 100% by Alcoa Corp. and is abbreviated to AWAC. AWAC's business is the mining of bauxite, [1] the extraction of alumina (aluminium oxide) and the smelting of aluminium. It has about 25% of the global alumina market. Alcoa acts as the day-to-day manager.
Alcoa's Western Australian Wagerup plant has a troubled history in the context of claims that pollution from the plant has harmed the health of members of the adjacent local community. [60] [61] [62] Alcoa announced it would acquire Alumina for $2.2 billion in an all-stock deal in February 2024.
Alumina's only business activity is as the owner of a 40% share in Alcoa World Alumina & Chemicals (AWAC), a joint venture with Alcoa. AWAC owns two bauxite mines and three refineries (to extract aluminium oxide from bauxite) in Western Australia and owns a smelter (to extract pure aluminium) and has a 55% interest in the Portland aluminium ...
Australia is the world's largest bauxite producer, producing almost a third of global bauxite. [2] Bauxite is mined in Australia using open-cut mining, which suits the relatively shallow bauxite deposits located mostly in Western Australia and Queensland. [2] [4] Mined bauxite is either exported or refined domestically into alumina.
Australia: Portland, Victoria: 358,000: Alcoa World Alumina Australia Ltd. - Portland Aluminium: March 15, 2023 - Production at the smelter will be reduced to approximately 75 percent of the site’s total consolidated capacity of 358,000 metric tons per year (mtpy). Alcoa’s share of the total capacity is 197,000 mtpy.
The refinery, also owned by South32, uses a four-stage Bayer Process to transform the red bauxite rock into white alumina powder. It is powered by coal, producing 3.7 million tonnes (8.2 billion pounds) of carbon per year averaged for 2017–2021, making it the fourth-biggest carbon polluter in Western Australia.
It was operated by Alcoa World Alumina and Chemicals Australia, a joint venture between Alcoa (60%) and Alumina Limited (39.25%). [2] Alumina was brought in by ship and unloaded at a dedicated pier , and approximately half of this finished aluminium was sold to the neighbouring Alcoa Australia Rolled Products plant, where aluminium was rolled ...