china high efficient tantalum niobium recovery plant

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  Processing of lithium ores: Industrial technologies and case …

  202151 · The pros and cons of industrial technologies of lithium ores processing have been analyzed. Some specific techniques of lithium extraction from ores and minerals are systematized. Autoclave methods seem the most promising for poor alkaline Li-aluminosilicates processing. Complex utilizing of Li-mica will ensure a valuable source of …

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  Selective recovery of niobium and tantalum from low-grade concentrates ...

  2016413 · The current hydrometallurgical processes used for niobium and tantalum recovery are operated in strongly acidic and fluoride-containing solutions. To avoid the use of these highly toxic media, a fluoride-free process was developed to recover Nb and Ta from low-grade industrial concentrates.

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  Tantalum and Niobium | Business Segments | JX Advanced …

  In July 2018, JX Advanced Metals acquired the outstanding shares of German firm TANIOBIS. TANIOBIS is one of the world's leading suppliers of tantalum and niobium powders and other products used in capacitors, semiconductor materials, and surface acoustic wave (SAW) devices. Its excellent product lineup is backed by strong …

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  Recycling Lepidolite from Tantalum–Niobium Mine Tailings …

  Lepidolite is recycled from tantalum−niobium mine tailings by a combined magnetic−flotation process using a gemini surfactant at low temperatures.

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  Mineralogical characterization and comprehensive utilization …

  201514 · The mineralogical characteristics of tantalum–niobium ores from Songzi were investigated using mineral liberation analyzer (MLA) and chemical analysis. In particular, the chemical composition, phase composition, particle size, and dissemination characteristics of the ores were studied in detail. Results show that Ta2O5 and Nb2O5 …

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  Adsorption of Niobium and Tantalum Contained in a Tin …

  2023823 · With the development of advanced technologies, the need for new sources of strategic metals such as niobium (Nb) and tantalum (Ta) has raised the possibility of obtaining these metals from secondary sources. However, there is a paucity of information in the literature on the study of adsorption for niobium and tantalum on secondary materials. …

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  A Kinetic Analysis of Acid Leaching of Niobium and …

  Residues from rutile chlorination plants often contain relatively high concentrations of critical metals, essential for energy devices. Ironically, the conventional method of extraction of niobium and zirconium is quite energy demanding and detrimental to the...

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  Tracking the evolution of niobium cycle in China from 2000 …

  202411 · Moreover, China mainly relied on importing primary niobium resources from Brazil and Canada, while exporting semi-finished niobium products to Korea, Vietnam, Indonesia, and India. Several policies are then proposed by considering the Chinese realities to improve the utilization efficiency of niobium resources and secure its sustainable supply.

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  Mapping the material flows and recycling potential of tantalum in China ...

  20231219 · It was found that the concentrations of tantalum in wasted electric and electronic equipment (WEEE) differed among products, while the highest post-use tantalum flows originated from desktop computers due to their high tantalum content.

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  Niobium and tantalum | U.S. Geological Survey - USGS.gov

  20171219 · The average abundance of niobium and tantalum in bulk continental crust is relatively low—8.0 parts per million (ppm) niobium and 0.7 ppm tantalum. Their chemical characteristics, such as small ionic size and high electronic field strength, significantly reduce the potential for these elements to substitute for more common elements in rock …

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