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Red mud as secondary source for critical raw materials – Purification of rare earth elements by liquid/liquid extraction
BACKGROUND Critical raw materials (CRM) are crucial to Europe's economy and essential to maintaining and improving our quality of life due to their usage for production of many devices. Red mud is generated from alumina ...
Re-using bauxite residues: benefits beyond (critical raw) material recovery
Since the world economy has been confronted with an increasing risk of supply shortages of critical raw materials (CRMs), there has been a major interest in identifying alternative secondary sources of CRMs. Bauxite residues ...
Red mud as secondary source for critical raw materials – Extraction study
Red mud is a by-product of alumina extraction from bauxite by the Bayer process produced in the billion tons scale worldwide. Red muds, or more generally bauxite residues, are regarded as waste, but may potentially be ...