Mechanism and equilibrium modeling of Re and Mo adsorption on a gel type strong base anion resin

Fathi, Mohammad; Rezai, Bahram; Alamdari, Eskandar Keshavarz; Alorro, Richard Diaz

doi:10.1134/s1070427217080208

Cited by 9 publications

(8 citation statements)

References 22 publications

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“…75 Even now, ion exchange resins are often used in the recovery and refining of Re from ores and scraps, which has facilitated the development of various new resins and their use in experimental demonstrations of Re separation. 76,77,200,[211][212][213][214][215][216][217][218][219]78,[220][221][222][223][224][225][226][227][228][229]79,[230][231][232][233][234][235]88,92,169,178,189,190 The details of the methods for separating Re by ion extraction can be found in the review by Shen et al 71 In the Kennecott process shown in Figure 10, the Amberlite IRA-400 ion exchange resin is used to collect Re and Mo in an aqueous solution. The Mo is first eluted by passing an aqueous NaOH or K 2 C 2 O 4 solution through the resin, and then, the Re is eluted by passing a perchloric acid (HClO 4 ) solution through the resin.…”

Section: Purification Methods For the Rhenium Present In Aqueous Solu...mentioning

confidence: 99%

“…75 Even now, ion exchange resins are often used in the recovery and refining of Re from ores and scraps, which has facilitated the development of various new resins and their use in experimental demonstrations of Re separation. 76,77,200,211–219,78,220–229,79,230–235,88,92,169,178,189,190 The details of the methods for separating Re by ion extraction can be found in the review by Shen et al 71…”

Section: Purification and Reduction Methods For Obtaining Rhenium Fro...mentioning

confidence: 99%

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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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Section: Purification Methods For the Rhenium Present In Aqueous Solu...mentioning

confidence: 99%

“…75 Even now, ion exchange resins are often used in the recovery and refining of Re from ores and scraps, which has facilitated the development of various new resins and their use in experimental demonstrations of Re separation. 76,77,200,211–219,78,220–229,79,230–235,88,92,169,178,189,190 The details of the methods for separating Re by ion extraction can be found in the review by Shen et al 71…”

Section: Purification and Reduction Methods For Obtaining Rhenium Fro...mentioning

confidence: 99%

Review: Rhenium and its smelting and recycling technologies

Yagi,

Okabe

2024

International Materials Reviews

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“…This type of resins presents heterogeneous micropores (ranging between 0.7 and 2 nm) and a cross-link degree between 4 and 10%. Visually, they have a translucid aspect [30].…”

Section: Drylyte® Technologymentioning

confidence: 99%

Can the DryLyte® Technology Polish 3D Printed Ceramic/Metal Samples and in Particular WC-Co?

Perdrix¹,

Rovira²

2023

Advances in 3D Printing

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DryLyte® Technology is an effective surface finish technique, which follows the same traditional electrolytic cell principle, but uses an electrolytic solid non-conductive medium rather than a liquid one. For the last 10 years, this technology has been attracting a lot of attention compared to conventional ones due to the selective smoothing of the surface technique, interacting only with the roughness peaks and not with the valleys, etc. In this book’s chapter, for 3D-printed cemented carbides (WC-Co) polished with DryLyte® Technology, it is shown the correlation between the microstructure and the surface integrity, in terms of mechanical properties, at submicrometric length scale. Also, a particular case study is presented of 3D-printed WC-Co as a function of the testing temperature, ranging from room temperature up to service-like working conditions. Finally, the mechanical properties are correlated as function of the chemical nature and/or crystallographic phase.

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“…Rhenium, with an abundance of only 1 Â 10 À9 in crust, 1 is a rare metal element that is essential to various industries, especially chemical, metallurgical petrochemical, defense and space industries. 2,3 Rhenium resources are characterized by small reserves, wide distribution, low content and with no mineral deposits. Rhenium resources are currently always associated with porphyry copper deposit and molybdenite.…”

Section: Introductionmentioning

confidence: 99%

Sorption of rhenium on synthetic cyclohexylamine anion exchange resin LSC‐436

Feng

Wang

et al. 2022

J of Applied Polymer Sci

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A new organic synthetic anion exchange resin (LSC-436) containing cyclohexylamine group was prepared for the sorption of rhenium. The traditional batch tests were applied to investigate the mechanism of sorption for rhenium on LSC-436 with respect to contact time, initial rhenium concentration, the value of pH and the amount of resin. The experimental data obtained from batch tests were modeled using the Langmuir/Freundlich isotherms and pseudofirst-kinetic and pseudo-second-kinetic models to obtain key dynamic parameters for investigating the mechanism of sorption of rhenium. The LSC-436 resin was characterized using scanning electron microscopy (SEM-EDS), Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) techniques to further study the sorption mechanism.

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Mechanism and equilibrium modeling of Re and Mo adsorption on a gel type strong base anion resin

Cited by 9 publications

References 22 publications

Review: Rhenium and its smelting and recycling technologies

Review: Rhenium and its smelting and recycling technologies

Can the DryLyte® Technology Polish 3D Printed Ceramic/Metal Samples and in Particular WC-Co?

Sorption of rhenium on synthetic cyclohexylamine anion exchange resin LSC‐436

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