Chile: Sulfuric Acid Production Dupont to Supply Mecs Technology for Off-Gas Treatment from Sulfuric Acid Plants

The wholly owned subsidiary of Dupont, Mecs, has been chosen to supply the sulfuric acid production technology for two new plants belonging to Corporación Nacional del Cobre de Chile (Codelco), the world’s largest copper producer.

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Chesterfield/USA — The technology will treat off-gas from the Chuquicamata Copper Smelter Complex in the Antofagasta region of northern Chile.

The company's partner SNC-Lavalin, will provide detailed engineering, procurement and construction services for the new plants each of which is expected to produce 2,048 t/d of market-grade sulfuric acid. These plants will replace existing facilities which have become environmentally obsolete. Construction of the two new plants will begin in 2017 and is expected to be completed the following year.

“Mecs technology for Chuquicamata will be designed and custom-built to address the site’s specific needs, especially achieving world-class low emissions and high reliability,” said Kirk Schall, executive vice president, Mecs. “We are delighted that our best-in-class sulfuric acid production technology will help Codelco’s Chuquicamata site realize its short- and long-term emissions targets while supporting the sustainable production of the Antofagasta region’s most valuable resources.”

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