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Treasure from trash: Mining critical metals from waste and unconventional sources
Science of the Total Environment ( IF 8.2 ) Pub Date : 2020-11-21 , DOI: 10.1016/j.scitotenv.2020.143673
Antony van der Ent , Anita Parbhakar-Fox , Peter D. Erskine

To meet future technological demands of our growing global community new sources of industry critical metals need to be identified. To meet these demands, extracting minerals from larger, lower grade deposits across most commodities is required, which in turn generates every increasing amounts of mine wastes. We propose that agromining could be used to enables access to unconventional resources not accessible by existing minerals processing techniques. This innovative technique relies on so-called hyperaccumulator plants to bio-concentrate high levels of metals into living biomass which can then be extracted from the harvested bio-ore. Producing critical metals, such as nickel, cobalt and thallium, efficiently and sustainably using agromining appear to be well within reach, but this technology needs industrial champions to develop demonstration sites and to ensure that it can be scaled to appropriate levels in areas where it is feasible.



中文翻译:

垃圾中的宝藏:从废物和非常规来源中开采关键金属

为了满足我们不断发展的全球社区对未来技术的需求,需要确定新的行业关键金属来源。为了满足这些需求,需要从大多数商品中的较大,品位较低的矿床中提取矿物,这反过来会增加矿山废物的数量。我们建议,可以使用农业种植来获取现有矿物加工技术无法获得的非常规资源。这项创新技术依靠所谓的超富集植物将高含量的金属生物富集成活的生物质,然后可以从收获的生物矿石中提取这些金属。通过农作有效而可持续地生产关键金属,例如镍,钴和al似乎是可以实现的,

更新日期:2020-11-22
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