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Original ArticleValuable metal recovery from waste
2022.1.1 A cryogenic crushing-alkaline calcination-leaching process has been proposed and experimentally studied in the present work, and main results showed: 1) after the refrigeration treatment with liquid nitrogen, WTCs got discharged and became brittle.
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A critical updated review of all stages of the tantalum recycling
2023.9.15 The most common physical process described is the sieving; this process allows to separate the Ta sintered body from other fragments (e.g., SiO 2
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Hydrometallurgical Process for Tantalum Recovery from Epoxy
2019.4.14 Introduction Tantalum (Ta) is an important metal found in the Earth’s crust, having a high melting point (3017 °C), high corrosion resistance to acids at normal
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Cutting of tantalum: Why it is so difficult and what can be
2020.10.1 Failure analysis revealed galling and metal build-up on the teeth as the cause of tool breakage. The galling was attributed to any number of different issues: dull
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Recovery of silica-free tantalum from epoxy-coated tantalum
2022.8.1 A complete silica-free tantalum-rich concentrate is generated in the pre-processing stage. • The formation of insoluble potassium tantalate in alkaline leaching
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Application and recycling of tantalum from waste electric and ...
2023.3.1 Introduction Tantalum has a wide range of industrial uses. It is used as an alloying element in super-alloys for jet turbine blades ( Damm, 2018; Geological Survey,
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Valuable metal recovery from waste tantalum capacitors via
The recycling of waste tantalum capacitors (WTCs) is an important strategy for the sustainable development of tantalum related industries. A cryogenic crushing-alkaline
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Valuable metal recovery from waste tantalum capacitors via
2021.12.1 Here, we designed a recycling process that includes pre-treatment, leaching, and solvent extraction to recover tantalum. In the pre-treatment process,
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Valuable metal recovery from waste tantalum ... - Semantic Scholar
2021.12.1 Valuable metal recovery from waste tantalum capacitors via cryogenic crushing-alkaline calcination-leaching process. L. Xia, W. Xue, +2 authors. Zhihong Liu.
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