The beneficiation of lithium minerals from hard rock ores: A review
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The demand for lithium minerals has increased considerably in recent years due to the application of lithium compounds in lithium ion battery technology, portable electronic gadgets and power storage systems. Spodumene is the main lithium bearing mineral which is currently being explored and processed due to its high lithium content and the extensive occurrence of deposits. This literature review focuses on the various techniques used in the beneficiation of lithium minerals from hard rock pegmatite ores. Dense media separation and flotation are the main beneficiation methods used for the separation of lithium minerals from ores. The close similarity in chemical and physical properties between lithium minerals and associated gangue minerals complicates the beneficiation of lithium minerals from ores. Surface chemistry of minerals, type of collector, pulp pH, chemical pre-treatment methods, and the presence of slimes play key roles in lithium minerals flotation. This review also deals with the beneficiation flowsheets employed at some of the larger lithium processing plants in the world. Spodumene from pegmatite deposits is expected to be the main source of lithium from ores at present although future sources would most probably include other minerals such as lepidolite, petalite, zinnwaldite, jadarite and hectorite.
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Assessment of a spodumene ore by advanced analytical and mass spectrometry techniques to determine its amenability to processing for the extraction of lithiumAylmore, Mark; Merigot, K.; Rickard, William; Evans, Noreen; McDonald, B.; Catovic, E.; Spitalny, P. (2018)A combination of analytical microscopy and mass spectrometry techniques have been used to detect and characterise different lithium minerals in a LCT-Complex spodumene-type pegmatite from Pilgangoora located in the Pilbara ...
Aylmore, Mark; Merigot, W.; Rickard, William; Spitalny, P. (2018)With the impetus for less reliance on fossil fuels and cleaner environments, the ability to be able to extract lithium used in rechargeable batteries for portable electronic devices from ores economically, is essential. ...
Applications of advanced analytical and mass spectrometry techniques to the characterisation of micaceous lithium-bearing oresAylmore, Mark; Merigot, K.; Quadir, Z.; Rickard, W.; Evans, N.; McDonald, B.; Catovic, E.; Spitalny, P. (2017)With the impetus for less reliance on fossil fuels and an increasing demand for environmentally friendly energy materials, lithium is emerging as an important material of the future. The ability to extract lithium from ...