By Alton Tabereaux, Contributing Editor. Spent potlining (SPL) disposal is one of the largest environmental waste management challenges confronting worldwide primary aluminum smelters due to its toxicity. The International Aluminium Institute (IAI) asserts that 1.6 million tons of SPL were generated from primary aluminum production in 2019,1 making it the second largest waste volume produced […]
By Alton Tabereaux, Contributing Editor. A conspicuous transformation occurred in the world’s primary aluminum industry during the past five years with the construction of “Mega” aluminum smelters (>1 million tpy) in China, which have boosted aluminum production to levels not previously experienced by companies. Nine aluminum companies had an annual production greater than 2 million […]
