How do continuous copper conversion systems reduce emissions?

Continuous copper conversion systems reduce emissions primarily by replacing the traditional batch-based rotating converter with stationary furnaces.

In conventional batch conversion, the process involves repeated cycles of charging, blowing, and skimming, which can lead to the release of gaseous and particulate emissions. By utilizing stationary furnaces—similar to those employed in modern smelting—continuous systems maintain a more stable and controlled environment. This design minimizes the escape of process gases and particulates that are otherwise generated during the intermittent operations of traditional converters.1

Furthermore, modern smelting and conversion technologies are designed to be more efficient in capturing sulfur. By producing lower volumes of gas that are highly concentrated in sulfur dioxide, these systems facilitate the efficient capture and conversion of sulfur into sulfuric acid, with new facilities capable of capturing 90 percent or more of the sulfur present in the feed materials. These advancements reflect a critical commitment to environmental stewardship by minimizing the industrial footprint of metal extraction.12