Rio Tinto's Nuton Tech在亚利桑那矿场生产了99.99%的纯铜, Rio Tinto’s Nuton Tech yields 99.99% pure copper at Arizona mine, zero-smelt, renewable-powered.

Rio Tinto在亚利桑那州的Johnson Camp矿场使用Nuton技术生产了第一支铜,这是经过30年开发后取得的突破。 Rio Tinto has produced the first copper using its Nuton Technology at Arizona’s Johnson Camp mine, a breakthrough after 30 years of development. 使用现场微生物进行生物沥滤过程,生成了99.99%的纯铜阴极,但没有熔炼或提炼。 The bioleaching process, using on-site microorganisms, generated a 99.99% pure copper cathode without smelting or refining. 为期四年的示范目标是生产30,000吨,低碳排放和用水。 The four-year demonstration aims for 30,000 tonnes of production, with low carbon emissions and water use. 该项目使用100%的可再生能源,可以释放不经济的矿床,延长矿山寿命。 The project uses 100% renewable energy and could unlock uneconomic deposits and extend mine life.