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An acid squeeze is the latest obstacle facing giant copper mines

An acid squeeze is the latest obstacle facing giant copper mines Sulfuric acid, in solid form. Credit: Wikimedia Commons Add sulfuric acid to the list of challenges facing copper miners as the world clamors for more of the wiring metal. The compound, used to extract copper from ore, is getting harder to come by. A slowdown in oil refining during the pandemic has resulted in less availability of sulfur, a key input for the acid. At the same time, more acid made in Asia is being used locally as ...
Cristian Cifuentes Gabriela Mistral Carmen Zuleta Peter Harrisson கேப்ரியல் மிஸ்ட்ரல்
Source: mining.com

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