New concepts for lithium minerals processing |
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| Authors: | Felix Brandt Reiner Haus |
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| Affiliation: | 1. University of Oulu, Oulu Mining School, P.O. Box 3000, Oulu, Finland;2. Keliber Oy, Finland;3. GTK Geological Survey of Finland, Finland;1. Key Laboratory of Solid Waste Treatment and Resource Recycle Ministry of Education, Southwest University of Science and Technology, Mianyang, Sichuan, PR China;2. School of Resources Processing and Bioengineering, Central South University, Changsha, Hunan, PR China;3. State Key Laboratory of Mineral Processing, Beijing, PR China;4. Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Science, Chengdu, Sichuan, PR China;1. School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China;2. College of Mines and Earth Sciences, University of Utah, Salt Lake City 84112, USA;1. Instituto de Investigaciones en Tecnología Química (INTEQUI-CONICET), Universidad Nacional de San Luis, Chacabuco y Pedernera -5700- San Luis, Argentina;2. Instituto de Ciencias Básicas, Universidad Nacional de Cuyo, Padre Jorge Contreras 1300, Parque General San Martín –M5502JMA- Mendoza, Argentina |
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| Abstract: | A new concept for the enrichment of lithium minerals is offering higher purity and higher yield by applying new processing technologies addressing the specific properties of the pegmatitic host rock. Additional value is created from high quality by-products which will improve the sustainability of mining activity and the overall cost base. Within the new concept, flotation may even be avoided where wet separation techniques are not applicable.Two innovative processing technologies have been integrated in the new concept: electrodynamic fragmentation and optical sorting. Detailed results of lab-technical tests show that the new process design can achieve highly selective liberation and separation processes. Optical and mineralogical analyses of the test products indicate a high benefit for commercial applications. |
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