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From Wikipedia, the free encyclopedia Bauxite mining in Weipa, Australia Bauxite mining and aluminium smelting in Australia is a major contributor to world supplies of aluminium.
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Bauxite Residue In Australia. What is Bauxite Residue? Bauxite residue, sometimes referred to as red mud, is the by-product of the Bayer process an industrial chemical process for refining aluminium-containing ores in alumina (aluminium oxide), the raw material used to produce aluminium metal. In the Bayer process, bauxite ore is dissolved using sodium hydroxide (caustic soda).
Australia is the world's largest producer of bauxite, representing 28% of global production in 2012. The large bauxite resources in the Gulf of Carpentaria at Weipa (>3000 Mt) in Queensland and Gove (>200 Mt) in the Northern Territory have average grades between 49% and 53% Al 2 O 3 and are amongst the world's highest grade deposits. Other large deposits (>500 Mt) are located in Western Australia in the
WA bauxite tends to be close to surface and is generally extracted using open cut mining. Known global reserves can meet total demand for centuries. Western Australia accounts for around 67 per cent of Australias alumina production, with the States alumina projects among the lowest costs producers in
Australia has amongst the highest standards of bauxite mining globally, and our bauxite sector has potential for strong growth. At the same time changes are occurring in global bauxite supply with new countries and new operators entering the market. Sustainable bauxite mining practices are critical to the global reputation of the industry. Sustainable practices should be perceived and valued as a
Bauxite. Bauxite is an aluminium ore found in deposits around the world. Once the ore is mined out of the ground, the red bauxite rock is crushed and dissolved into a white alumina powder, using what is known as the Bayer process. This alumina powder is then smelted into aluminium metal. Australia is the worlds largest producers of bauxite.
90% of the worlds bauxite reserves are concentrated in tropical and sub tropical regions. Large blanket deposits are found in West Africa, Australia, South America and India as flat layers lying near the surface, extending over an area that can cover many square kilometres.
Australia, formally the Commonwealth of Australia, is a country and sovereign state in the southern hemisphere, located in Oceania.Its capital city is Canberra, and its largest city is Sydney.. Australia is the sixth biggest country in the world by land area, and is part of the Oceanic and Australasian regions. Australia, New Zealand, New Guinea and other islands on the Australian tectonic