BHP Ties With Biotech Startup Allonnia To Purify Iron Ore Using Microbes
Saul Griffith2023-07-10T17:01:21+00:00BHP, the world's largest mining company, is investigating the use of rock-eating microbes to tackle emissions in steelmaking. Steel production heavily relies on coal-powered blast furnaces, but a greener alternative called "direct reduced iron" (DRI) can refine iron ore with natural gas or hydrogen, reducing emissions. However, BHP's iron ore contains impurities that require coal for Read More