2019
DOI: 10.1016/j.hydromet.2019.105141
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A promising approach for directly extracting lithium from α-spodumene by alkaline digestion and precipitation as phosphate

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Cited by 52 publications
(30 citation statements)
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“…Moreover, lithium phosphate had the characteristics of strong heat resistance, nonradioactivity, and long light efficiency. Lithium phosphate was used in high-temperature resistant materials, phosphors, special glasses, lasers, etc. It could also be used to prepare lithium-ion battery cathode materials for lithium iron phosphate. Based on the abovementioned consideration, this paper used phosphoric acid to precipitate the raffinate to prepare lithium phosphate products.…”
Section: Results and Discussionmentioning
confidence: 99%
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“…Moreover, lithium phosphate had the characteristics of strong heat resistance, nonradioactivity, and long light efficiency. Lithium phosphate was used in high-temperature resistant materials, phosphors, special glasses, lasers, etc. It could also be used to prepare lithium-ion battery cathode materials for lithium iron phosphate. Based on the abovementioned consideration, this paper used phosphoric acid to precipitate the raffinate to prepare lithium phosphate products.…”
Section: Results and Discussionmentioning
confidence: 99%
“…Finally, the lithium phosphate product was obtained through precipitation. The precipitated filtrate was returned to the leaching process to leach the ore. 39 The details of cyclic leaching will be summarized in the next study.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
“…In an attempt to eliminate this step, some hydrometallurgical treatments such as employed by SiLeach® and LieNA® have been considered from which promising results have been achieved. Song et al , 25 also by hydrometallurgical treatment using NaOH and CaO in an autoclave, reported 93% leaching efficiency. However, their approach requires high concentration of NaOH and special equipment (autoclave) in addition to long processing time.…”
Section: Introductionmentioning
confidence: 99%
“…With the increasing demand for lithium, primarily due to the evolution of electric and hybrid vehicles coupled with its undersupply from Salar and brine, attention has been drawn to extraction from pegmatite ores, secondary resources and to a lesser extent, water produced from shale gas 6,7 in order to meet the increasing demand. Investigations for processing petalite, 8 zinnwaldite, 9-13 lepidolite, [14][15][16][17][18] spodumene [19][20][21][22][23][24][25] and secondary sources [26][27][28][29] are well documented. Of all lithium bearing minerals, spodumene (LiAlSi 2 O 6 ) stands out as the one with high economic value resulting from its relatively high lithium content.…”
Section: Introductionmentioning
confidence: 99%
“…α, β, and γ are the three major phases of spodumene, where α-spodumene (LiAlSi 2 O 6 ) is the mined natural material [1]. In addition, α-spodumene has great potential to serve as a main lithium resource for lithium industries in comparison with the other two phases [13].…”
Section: Introductionmentioning
confidence: 99%