Beneficiation of lithium bearing pegmatite rock: a review

Sahoo, Saroj Kumar; Tripathy, Sunil Kumar; Nayak, Aryasuta; Hembrom, Kalicharan; Dey, Shobhana; Rath, R K; Mohanta, M K

doi:10.1080/08827508.2022.2117172

Cited by 16 publications

(3 citation statements)

References 113 publications

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“…Sahoo et al discussed the working mechanism and effectiveness of these beneficiation techniques for the pretreatment of Li-bearing minerals. 30 A detailed but fundamental comprehension of these beneficiation techniques during mineral processing was elucidated by addressing key influential factors, such as depressants, activators, grinding media, size fraction, isomorphic substitution, and anisotropic surface and surface dissolution. However, the significant influence of water matrixes, which is often overlooked, was highlighted.…”

Section: Recovery Technologiesmentioning

confidence: 99%

Australia’s Spodumene: Advances in Lithium Extraction Technologies, Decarbonization, and Circular Economy

Asif,

Li,

Lim

et al. 2024

Ind. Eng. Chem. Res.

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Among all of the lithium-bearing minerals, spodumene possesses the highest theoretical lithium abundance. Since the 1990s, Australia, with the world's largest spodumene (LiAl(SiO 3 ) 2 ) reserves, has been producing lithium as a mineral concentrate rather than a refined product. Nevertheless, the country is now moving forward to fortify its processing facilities, aligning with the vision for greener energy. This review provides a comprehensive outlook on the current status of spodumene reserves and their processing facilities along with potential expansion in the future. Spodumene processing requires several metallurgical processes ranging from salt roasting to acid leaching. However, the conventional industrial practices for Li-extraction from ores result in excessive pressure on resources, energy, and waste management. Considering these factors as an indicator of a circular economy, the process of lithium extraction should be simplified. In such a context, different practices for Li-extraction from spodumene are exemplified by recent technological advancements. Afterward, strategies for decarbonization, waste management, and environmental aspects were provided, with a perspective of circular economy. This review is expected to serve as a reference for research and development for potential industrial applications in ore processing especially for spodumene.

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Section: Recovery Technologiesmentioning

confidence: 99%

Australia’s Spodumene: Advances in Lithium Extraction Technologies, Decarbonization, and Circular Economy

Asif,

Li,

Lim

et al. 2024

Ind. Eng. Chem. Res.

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“…Different flotation flowsheets should be used based on different ore properties [56,88]. Problems that exist in the field of spodumene and beryl flotation separation are (1) The lack of efficient, reasonably priced and low-temperature flotation collectors [9]; (2) Depressants commonly used in production are not sufficiently selective [74]; (3) The comprehensive recovery process of granite pegmatites polymetallic ore is complex, and the separation results are not ideal [9,75]. Moving forward, the direction is aimed at (1) research on low-temperature, easily degradable, environmentally friendly high-efficiency collectors [9]; (2) developing a new type of green dedicated spodumene and beryl inhibitors [67,74]; (3) improving the sorting process with the help of modern research methods to develop a green sorting process based on the premise of economical rationality [44].…”

Section: Industrial Application Cases Of Lithium and Beryllium Separa...mentioning

confidence: 99%

“…Although the lithium resources in brine are abundant, accounting for 62.6% of the lithium resources, the extensive use of the resources is compromised by the existing impurity removal technology [1]. For this reason, hard rock lithium ore remains the main raw material for the production of high-purity lithium products [2,3].…”

Section: Introductionmentioning

confidence: 99%

Review on the Beneficiation of Li, Be, Ta, Nb-Bearing Polymetallic Pegmatite Ores in China

Liu

Han

et al. 2023

Minerals

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Lithium-bearing polymetallic pegmatite ores are an important raw material for lithium extraction. They contain not only lithium but also other associated elements such as beryllium, tantalum, and niobium, with great recovery values. It is therefore often called lithium-bearing polymetallic pegmatite ore (LPPO). The recovery and utilization of Be-bearing minerals in LPPOs have yet to be further studied. This paper briefly expounds the geological aspects of LPPO deposits in China and Chinese experiences on the beneficiation of LPPOs, with special emphasis on the flotation separation of lithium-beryllium minerals. In LPPO, spodumene is the main target mineral for lithium, while beryl is the main Be-bearing mineral in a fine-grained embedded state. If the BeO grade of LPPO is greater than the industrial grade (BeO ≥ 0.04%), it will be processed for recovery. Tantalum and niobium minerals are mainly in the form of tantalite, columbite, or ferrotapiolite, which may be recovered by gravity separation or magnetic separation. Gangue minerals are mainly composed of albite and quartz. Currently, the most commonly used methods for separating the target minerals from gangue are dense medium separation and flotation. The manual sorting method has become obsolete and is expected to be replaced by machine sorting methods such as color sorters and X-ray transmission sorters. Flotation is the main method for the separation of fine-grained beryl and spodumene. The success of flotation depends on the selection of suitable pretreatment methods and appropriate flotation reagents for altering the surface properties of spodumene and beryl and for expanding the floatability differences between spodumene and beryl and between spodumene and gangue.

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