Smelting

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    Alba and EGA sign Technology Service Agreement for Reduction Line 6

    Aluminium Bahrain B.S.C. (Alba) in Bahrain and Emirates Global Aluminium (EGA) in the United Arab Emirates signed a Technology Services Agreement for Alba’s Reduction Line 6. The reduction line was originally commissioned in December 2018, bringing Alba’s nameplate production capacity to more than 1.6 million metric tonnes per annum. In 2020, it was reported to […]

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    Aluminum Industry Shows Decline in Greenhouse Gas Emissions

    According to new data from the International Aluminium Institute (IAI), for the first time, total greenhouse gas (GHG) emissions from the global aluminum industry did not grow — even though aluminum production grew. “Our challenge is to reduce emissions while growing production,” said Miles Prosser, secretary general of the IAI. “Aluminum demand is expected to grow […]

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    Advances in Processing Alumina Refinery Bauxite Residue Waste

    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 […]

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    Alcoa to Supply Nexans with Low-Carbon Aluminum Rod

    Alcoa formed an agreement with Nexans, a global cable producer, for the supply of primary aluminum produced using ELYSIS™ inert anode technology, which eliminates all direct greenhouse gas emissions from the traditional smelting process. “In the fight against climate change, solutions that support the world’s energy transition make a real difference,” said Vincent Dessale, chief […]

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    Vedanta Achieves Energy Efficiency Breakthrough with Patented Potlining Technology

    Vedanta Aluminium, the largest aluminum producer in India, achieved a new breakthrough in the design of a new potlining technology for its aluminum smelters. The Vedanta Lining Design is a patented, energy-efficient technique that reduces energy consumption by 200–250 KWh per tonne of aluminum produced, providing increased energy efficiency and enhanced lifespan of the smelting […]

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    Vedanta Announces Plans to Separate Its Metals Businesses

    Vedanta Limited, the largest diversified natural resources company in India, plans to to demerge its business units into independent “pure play” companies. The company stated that this will simplify Vedanta’s corporate structure and unlock value and attract investment into the expansion and growth of each of the businesses. More than 90% of Vedanta Ltd’s profits […]

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    A Consortium of Aluminum Companies to Develop Carbon Capture Solutions for Smelting

    Rio Tinto, Trimet, and Aluminium Dunkerque are partnering with Fives Group on a consortium project to develop carbon capture solutions for the aluminum industry. Primary aluminum production accounts for 2% of global greenhouse gas emissions, which corresponds to an average of 16.1 t CO2/t Al being emitted globally (in France, the average is less than 5 […]

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    South32 Works to Reduce HF Emissions at Its Hillside Smelter

    South32 began an ambitious project to limit the amount of hydrogen fluoride (HF) being emitted from its gas treatment center (GTC) at its Hillside smelter in South Africa to 0.5 mg/Nm³ by April 2025. This will enable the smelter to comply with new environmental regulations. In order to achieve this goal, South32 is collaborating with […]