Recovery of rhenium from tungsten‑rhenium wire by alkali fusion in KOH-K2CO3 binary molten salt

Ye, Longgang; Ouyang, Zhengbiao; Chen, Yongming; Liu, Shufen

doi:10.1016/j.ijrmhm.2019.105148

Cited by 14 publications

(7 citation statements)

References 26 publications

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“…Rhenium (Re) and tungsten (W) are indispensable in modern industries. Rhenium is used in oil refinery industries and high-temperature superalloys [8,9]. Tungsten, due to its excellent high-temperature mechanical properties and the fact that it can easily be processed, cannot be substituted in different fields of modern technology, like electronics, aerospace components, drilling equipment, etc.…”

Section: Introductionmentioning

confidence: 99%

Novel magnetic polymer/bentonite composite: Characterization and application for Re(VII) and W(VI) adsorption

et al. 2021

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A novel magnetic polymer/bentonite composite was prepared by suspension copolymerization of glycidyl methacrylate and ethylene glycol dimethacrylate in the presence of magnetic bentonite (MB-PGME) and functionalized with ethylene diamine and hexamethylene diamine (MB-PGME-ED and MB-PGME-HD). The obtained samples were characterized in terms of structure as well as thermal, magnetic and morphological properties. The sorption of rhenium (Re) and tungsten (W) from aqueous solution onto MB-PGME-ED and MB-PGME-HD was investigated considering their contact time and different initial ion concentration, giving possibility for usage of these composites as commercial sorbents. The sorption system follows the pseudo-second order and intraparticle diffusion kinetic models. The results indicated a better fit with the Freundlich isotherm model.

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Section: Introductionmentioning

confidence: 99%

Novel magnetic polymer/bentonite composite: Characterization and application for Re(VII) and W(VI) adsorption

et al. 2021

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“…As an examples the following alloys can be mentioned (%): W-l, 5Re (instead of W-3Re) for the electrovacuum industry; Ta-8W-2.5Re for the aerospace, atomic and electrical industries (thermal shields on spacecraft, rocket nozzles, material for nuclear power systems, gas turbine blades, heating elements in furnaces); Ta-8W-1Re-0.7Hf -ɋ IRU DHURQDXWLFDO HQJLQHHULQJ &R-25W-3Sr-2Re-1Ti-1Zr 0.4C for the manufacture of parts for power plants of spacecraft, parts of gas turbines, etc. [9][10][11][12][13].…”

Section: Results (Projections Of Rhenium Global Production)mentioning

confidence: 99%

Current state of production and consumption of rhenium abroad

2021

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The relevance of the article does not raise any doubts, especially in the context of modern consumption of rhenium. Rhenium is an industrial metal that has gained increasing recognition and is widely used not only in Russia but also in foreign countries, mainly in the form of alloys with other elements, imparting special physicochemical properties to alloys based on wolfram and molybdenum. The most popular alloys with the addition of molybdenum and tungsten are recognized. Adding of a minor amount of rhenium reduces the transition temperature of wolfram and molybdenum to the fragile state and at the same time makes it possible to maintain elasticity at high temperatures. The objective of this article is to analyze the demand for rhenium abroad and its production by analyzing the market for mineral raw materials, by studying reports, literary sources, reports of companies for the production and consumption of rhenium, which are leaders in their field of activity. The article presents the results of the analysis of rhenium global production and consumption.

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“…Ye et al recently developed an alkali fusion method using KOH and K 2 CO 3 binary molten salts for the efficient extraction of Re from the scraps. 191 W and Re can be easily separated by water leaching because the W-Re scraps decompose into water-insoluble KReO 4 and water-soluble K 2 WO 4 . Compared to sodium salt fusion, which usually precipitates tungsten by the addition of KCl, the method by Ye et al is short and the reagent consumption is low without generating toxic NO x gases.…”

Section: Recovery Of Rhenium From Tungsten-rhenium Alloysmentioning

confidence: 99%

Review: Rhenium and its smelting and recycling technologies

Yagi,

Okabe

2024

International Materials Reviews

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Rhenium is utilized as an additive to improve the high-temperature strength and stability of materials, such as nickel-based superalloys, which are employed in jet engine turbine blades, alloys for ultrahigh-temperature thermocouples, and platinum catalysts, which are used in oil refining. Currently, around 80% of rhenium demand is for superalloy production, and this demand has been increasing with the increase in demand for aircrafts. The abundance of rhenium in the earth's crust is only 1 ppb (10−9), which is less than those of platinum and gold. Owing to the rare and unevenly distributed nature of rhenium, there is the risk of supply disruption and rapid increases in its price. In this article, the recent situation of rhenium and its compounds are reviewed, especially with respect to their demand, distribution characteristics, smelting, and recycling. Some of the technologies recently developed for smelting and recycling rhenium are also introduced.

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Recovery of rhenium from tungsten‑rhenium wire by alkali fusion in KOH-K2CO3 binary molten salt

Cited by 14 publications

References 26 publications

Novel magnetic polymer/bentonite composite: Characterization and application for Re(VII) and W(VI) adsorption

Novel magnetic polymer/bentonite composite: Characterization and application for Re(VII) and W(VI) adsorption

Current state of production and consumption of rhenium abroad

Review: Rhenium and its smelting and recycling technologies

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