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 […]
Noranda Aluminum Holding Corporation obtained U.S. Bankruptcy Court approval for the sale of the its aluminum smelter and facilities in New Madrid, Missouri, to ARG International AG for a purchase price of $13.7 million. The Court approval follows an auction that took place on September 28, 2016. The company expects to close the transaction in […]
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By Goran Djukanovic, Aluminum Market Analyst & Consultant. Uncertainty hangs over the primary aluminum industry in U.S., or what has been left of it. Plummeting aluminum prices and high electricity costs resulted in closure or curtailment of some three-fourths of primary aluminum production in the last five years, leaving less than 1 million tonnes of […]
Noranda Aluminum Holding Corporation entered into an asset purchase agreement for its flat rolled products business with Gränges AB, a supplier of rolled products for brazed aluminium heat exchangers in Sweden. Under the agreement, a subsidiary of Gränges will serve as the “stalking horse” bidder for Noranda’s flat rolled products business in a court-supervised sale process […]
