For the past 150 years, steelmaking has been a big, hot business centered around enormous blast furnaces that burn metallurgical coal to melt iron. Those furnaces are the chief driver of the ...

Electra has raised $180.4 million to clean up the dirty ironmaking industry, TechCrunch has learned. The startup has developed a novel method of using electricity to coax pure iron out of low-grade ...

Copper electrolyte purification and impurity removal are critical to ensuring the production of ultra‐high purity copper during the electrorefining process. The removal of deleterious elements such as ...

https://stock.adobe.com/ca/images/copper-cathode-production-in-electrowinning-plant-n-workers-and-acid-pools-in-the-atacama-desert/1506023652?prev_url=detail ...