- منطقة بودونغ الجديدة ، شنغهاي ، الصين .
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Mechanochemical approaches are one of the most promising alternative lithium extraction processes. Milling α-spodumene in a planetary-style mill for only 30 min drastically reduces the particle size, increases surface area, destroys crystallinity, and cleaves O-M (M = Li, Al, and Si) bonds [19, 20].Further, employing a conventional …
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The process can be optimized if other high-value elements are found in spodumene deposits, residual lithium can be recycled during mining and processing, and energy savings can be achieved. This paper evaluates the sulfuric acid process for lithium extraction from spodumene from an operational, economic, and environmental …
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Drill core halves or quarters from mineral exploration campaigns were sampled at the Whabouchi site. Identification of the lithological units was previously done by Nemaska Lithium's geologists. Two units were sampled: the spodumene-pegmatite (SP) ore and the minor spodumene-poor (barren) pegmatite (considered as waste-rock, BP).
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Lithium recovery from β-spodumene was conducted using a hydrometallurgical process consisting of water leaching and calcination. Water leaching experiments were conducted using a mixture of β-spodumene and CaO. The effect of experimental parameters such as the particle size of β-spodumene, reaction …
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Spodumene theoretically contains 8.03% Li2O and therefore the production of this mineral is greatly increasing because of the expanded use of lithium in the manufacture of high temperature insoluble lubricants, ceramics, pyrotechnics, non-ferrous welding fluxes, air purifying agents, and hydrogen isotopes. Extracting Lithium from its …
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Abstract: The carbothermal reduction process of spodumene ore effectively separates Al and Si components from spodumene ore while also extracting lithium (Li). The high value-added sputum heat reduction process of spodumene ore was proposed. Fe 2O 3 was used as an auxiliary agent. Si is combined with Fe to form Si-Fe alloy and Al is …
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Guo et al. [34] extracted 93.37% lithium from α-spodumene using the hydrofluoric acid method, in which the HF (ore/HF ratio of 1:3 g/mL) was so highly corrosive that posed a threat to equipment. Therefore, extracting lithium from α -spodumene is challenging because the extraction conditions are harsh.
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ABSTRACT Spodumene is the main source of lithium among the lithium-containing minerals. A number of studies have been done on the extraction of lithium from naturally occurring α-spodumene as well as pre-treated β-spodumene and the effect of key factors that influence extraction and optimum processing conditions have been …
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Lithium is considered to be the most important energy metal of the 21st century. Because of the development trend of global electrification, the consumption of lithium has increased significantly over the last decade, and it is foreseeable that its demand will continue to increase for a long time. Limited by the total amount of lithium …
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Australian lithium producer, Pilbara Minerals has announced that it has successfully produced the first spodumene concentrate from the coarse circuit at the recently restarted Ngungaju Plant, part of its -owned Pilgangoora Project in …
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The current practice in industry is the extraction of lithium from b-spodumene through sulfating roasting. The ore is mixed with sulfuric acid in a rotary kiln at 250 °C for about 1 h, and thus water-soluble Li 2 SO 4 (s) is formed. Lajoie-Leroux et al. achieved 97% recovery of lithium from b-spodumene through the sulfate process .
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Because of the pivotal status of lithium extraction from ore, this paper summarizes the lithium extraction technologies from rock minerals such as spodumene, lepidolite, zinnwaldite, petalite and amblygonite, and discusses the research progress of lithium extraction technologies such as sulfuric acid method, lime sintering method, …
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In the complex production required to transform spodumene concentrate into lithium compounds such as lithium carbonate or lithium hydroxide, calcination plays a key role in not one, but two parts of the process, making it an essential technique in efforts to exploit this increasingly important lithium ore. While the beneficiation of lithium ...
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Mechanochemical Extraction of Lithium from α-Spodumene at Low Temperatures Tyler Del Rose, Yuting Li, Long Qi, and Ihor Z. Hlova Abstract The growing commitment to green energy technologies coupled with the rising usage of portable electronic devices has caused a rapid increase in lithium
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In 1959, Peterson et al. 35 patented the possible extraction of lithium from α-spodumene using an alkali metal halide or their mixture (specifically, KCl and/or NaCl) in the presence of a refractory material. The amount of refractory material required by this approach was indicated to vary between 60 to 80 wt% of the quantity of spodumene treated.
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As the lightest alkali metal, lithium (Li) has a high electrochemical potential, making it an ideal material for rechargeable batteries. Consequently, global lithium production has increased rapidly—doubling over the past five years. ... Aramante et al. performed HLS testing on a spodumene-bearing ore with similar mineralogy to the …
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