rhenium recovery dust

Recovery of Rhenium and Molybdenum from Molybdenite Roasting Dust Leaching Solution by Ion Exchange Resins. Sung-Ho Joo 1) 2), Young-Uk Kim 1), Jin-Gu Kang 2), J. Rajesh Kumar 1) 2), Ho-Sung Yoon 2), P. K. Parhi 2), Shun Myung Shin 1) 2) 1) Department of Resource Recycling, University of Science & Technology (UST) 2) Extractive …

Semantic Scholar extracted view of "Recovery of rhenium from molybdenite calcine by a resin-in-pulp process" by X. Lan et al. Skip to search form Skip to main ... Ion exchange separation of rhenium using Purolite A-170 and Purolite A-172 was carried out from the dust leach solution of molybdenite concentrate. Different parameters such as ...

The purpose of carbothermal reduction is to obtain a calcine with a high percentage of rhenium recovery, low operating costs and good environmental ... Li MM, Yang YW. The development and applications of the dust and rhenium recovery integrated device of calcination exhaust of molybdenum concentrate which contain rhenium. Adv …

A method for obtaining rhenium from copper production dust involves washing the dust using soda solutions under the following conditions: soda …

Rhenium recovery is predicted to be a process with a great potential because over 80% of rhenium can be recovered (Shen et al., 2021). ... Rhenium is extracted from roasting fume and dust ...

Direct recovery of rhenium into the perrhenate ammonium was 77% of the content in dust. Indium, cadmium, zinc and thallium are extracted from raffinate by …

In contrast, rhenium is yet to be recovered from its natural ore rheniite and molybdenite roasting flue-dust is the only source of its commercial extraction as by-product of molybdenum metallurgy. MoO 3 and Re 2 O 7 remained in the flue-dusts gets readily hydrolyzed in aqueous solution to form different species, as the reactions given below [ 4 ...

In general, the dominant processing all over the world for rhenium recovery is related to various acid solutions, which are formed during the aqueous purification of dust-gas mixture. Such mixture is usually produced from the pyrometallurgical processing of molybdenite and/or copper concentrates.

The recovery of rhenium from acidic wash solution originating from a copper smelting process using sodium thiosulfate were investigated. Effects of reaction time, reaction temperature, flocculant addition and redissolubility of precipitate on the precipitation of rhenium have been studied. The temperature, Oxidation-Reduction Potential of the …

Recovery of rhenium from slime and dust. In copper production in addition to wash sulfuric acid there are. slimes and dusts, containing according to (Zagorodnyaya et al., 1997)

A preliminary study on the hydrometallurgical recovery of rhenium from an engine-reverted superalloy, CMSX-4 was performed. The novelty of this work dealt with (i) the applicability of electro ...

Rhenium is extracted from roasting fume and dust, leaching residue, and aqueous solution to produce a rhenium bearing solution. Subsequently, rhenium rich solution is generated by separation with solvent extraction, ion exchange, adsorption, membrane techniques or chemical precipitation. ... to identify suitable processes to …

DOI: 10.1016/J.HYDROMET.2019.02.004 Corpus ID: 104336402; Recovery of molybdenum and rhenium in scrub liquors of fumes and dusts from roasting molybdenite concentrates @article{Salehi2019RecoveryOM, title={Recovery of molybdenum and rhenium in scrub liquors of fumes and dusts from roasting molybdenite concentrates}, author={Hossein …

Selective solvent extraction of molybdenum over rhenium from molybdenite (MoS2) flue dust leaching solution was studied. In the present work, thermodynamic calculations of the chemical equilibria ...

of molybdenite roasting dust for effective separation and recovery of rhenium and molybdenum. 2. Experimental 2.1 Materials A synthetic alkali leaching solution was employed in the experiment to maintain the consistency of study. The leaching solution was prepared by adding desired amounts of rhenium powder (>99.9%, Aldrich), sodium …

Herein, the leaching of molybdenum and rhenium from the molybdenite roasting flue dust in H 2 SO 4 was studied. The parametric studies showed that leaching performed at a pulp density, 10 wt./vol.%; H 2 SO 4 concentration, 1.0 M; temperature, 90 °C; and time, 90 min was sufficient to yield 96% molybdenum and 93% rhenium. The …

Recovery Rhenium from roasted dust through super Para-magnetic Nano-particles. 2016, International Journal of Refractory Metals and Hard Materials. Citation Excerpt : Its special electric resistance is relatively four times more than Tungsten and Molybdenum. Besides being more stable and flexible than Tungsten and Molybdenum, …

The present work addresses the recovery of rhenium from scrub liquor of molybdenite concentrate roasting fume and dust by solvent extraction method. According to the results, recovery of rhenium from the scrub liquor is not practical unless molybdenum is removed in advance. The extraction of molybdenum was carried out using a D2EHPA …

Rhenium is extracted from roasting fume and dust, leaching residue, and aqueous solution to produce a rhenium bearing solution. Subsequently, rhenium rich …

The results showed that the preferable transformation rates of rhenium and molybdenum were 93.5% and 96.3%, respectively, when ratios of sodium nitrate and …

A device, was used to recover dust and rhenium from molybdenum concentrate roasting exhaust gas, was developed. The device combine the self-swash dust catcher and spherical tray tower technology: the self-swash dust catcher was used to recover dust and rhenium; spherical tray tower was used to further dust and rhenium …

In this work, the selective recovery of rhenium from an industrial leach solution formed using precipitation residue and a mixture of oxidants and sulfuric acid …

The present work addresses the recovery of rhenium from scrub liquor of molybdenite concentrate roasting fume and dust by solvent extraction method. According to the results, recovery of rhenium from the scrub liquor is not practical unless molybdenum is removed in advance. ... Keshavarz et al. studied separation of Re over Mo from leach …

Rhenium was also recovered efficiently and selectively from rhenium–tungsten solutions (initial concentration 10.4 mM for each metal): when the pH ranged from 7.0 to 12.0 and the irradiation ...

The growing demand for rhenium may be met either by improving existing technological flowsheet for the recovery of rhenium from traditional raw materials (solutions from processing of copper and copper-molybdenum concentrates), or involving of man-made and recycled materials (dust, slime, spent catalysts, waste recycling alloys, …

Request PDF | Recovery of Molybdenum and Rhenium Using Selective Precipitation Method from Molybdenite Roasting Dust in Alkali Leaching Solution | A study has been conducted for the separate ...

metals Article Selective Recovery of Molybdenum over Rhenium from Molybdenite Flue Dust Leaching Solution Using PC88A Extractant Ali Entezari-Zarandi 1,2,*, Dariush Azizi 1,3, Pavel Anatolyevich Nikolaychuk 4, Faïçal Larachi 1 and Louis-César Pasquier 3 1 Department of Chemical Engineering, Université Laval, Québec, QC G1V 0A6, Canada; …

Ion exchange separation of rhenium using Purolite A-170 and Purolite A-172 was carried out from the dust leach solution of molybdenite concentrate. Different parameters such as effect of contact time, equilibrium pH, and solid liquid ratio were investigated. The optimum absorption condition for Purolite A-172 resin was determined, …

The results showed that the preferable transformation rates of rhenium and molybdenum were 93.5% and 96.3%, respectively, when ratios of sodium nitrate and sodium carbonate to dust of roasted ...

Rhenium was also recovered efficiently and selectively from rhenium–tungsten solutions (initial concentration 10.4 mM for each metal): when the pH ranged from 7.0 to 12.0 and the irradiation time was 6 h, the rhenium recovery was 90–95% and the rhenium recovery ratio was 7.3–45 times that of tungsten.

Materials Science. Journal of Sustainable Metallurgy. 2022. Rhenium (Re) was recycled from W–Re-alloyed scraps by a pyrometallurgical method, in which the …

The stripping of rhenium from loaded TBP as a function of pH yielded an efficient recovery at pHeq(strip) ≥ 3.0. On a metal-to-metal basis the selective recovery of >99% rhenium has demonstrated ...

Article 26 March 2024. Introduction. The leaching solution of molybdenum concentrate roasting is the most important raw material for rare metal rhenium recovery …

The selective extraction of rhenium from the leach liquor of molybdenite roasting flue-dust and its subsequent stripping were investigated using the solvent extraction technique. In this study, tri-butyl phosphate (TBP) as organic extractant in kerosene and metals bearing solution (in mg/L: 6042 Mo, 208 Re, 534 Cu, 1982 Fe, 32 …

In dust catchers, Rhenium heptoxide is finally collected in company of unroasted oxides and sulfide. In order to process Rhenium, it is respectively necessary to convert Rhenium oxide to solution, to conduct absorption operations and Rhenium separation [8]. ... Dissolution efficiency and Rhenium recovery increases when we solve …

The present work addresses the recovery of rhenium from scrub liquor of molybdenite concentrate roasting fume and dust by solvent extraction method.

This paper presents a review of both primary and secondary processing technologies for the recovery of rhenium. Historical rhenium metal power price from 1952-2012 (year 2012: Metal Pages 2012 ...

In this article, the recent situation of rhenium and its compounds are reviewed, especially with respect to their demand, distribution characteristics, smelting, …

Rhenium occurs up to about 20 parts per million in molybdenite and to a lesser extent in sulfidic copper ores. The recovery of rhenium is aided by the concentration of its volatile heptoxide (Re 2 O 7) in the flue dust and gases given off during the smelting of molybdenite ore or from its concentration with the platinum metals in the anode sludge …

Request PDF | Recovery Rhenium from roasted dust through super Para-magnetic Nano-particles | Rhenium, a valuable and rare metal, is a byproduct of Molybdenum. It is usually produced through the ...