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Tight supply of sulfuric acid in Chile impacts electrolytic copper production
Category: Blog
2021-09-09
According to foreign media reports, the spot price of sulfuric acid has soared due to supply shortages, affecting Chile's electrolytic copper production. Codelco's Gabriela Mistral copper mine saw a 40% decrease in production during the first quarter of 2021. The sulfuric acid shortage is due to a shortage of sulfur caused by slower refining speeds during the pandemic. Simultaneously, the gradual recovery of Asian industry has led to the basic on-site consumption of produced sulfuric acid, limiting exports to Chile. Although some Chilean smelters produce sulfuric acid as a byproduct, the widely used solvent extraction-electrowinning technology consumes a large amount of sulfuric acid. Against the backdrop of sulfuric acid shortages, labor-management negotiation risks, and the pandemic, it is difficult for Chile to maintain high levels of copper production. Furthermore, Cochilco stated that if the sulfuric acid shortage worsens, it could affect 12% of Chile's copper production.
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