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Recover Rhenium by Solvent Extraction

Table of ContentsProcess SynthesisExperimental WorkPilot Plant Extraction Study Rhenium is industrially recovered all over the world as a by-product of molybdenite processing. There are no separate deposits of rhenium minerals. Molybdenite concentrates, produced as co-products of porphyry copper deposits, contain 0.01 to 0.2% rhenium occuring as a substitutional impurity in the …

Selective recovery of Rhenium from industrial leach ...

The precipitate formed is a polymetallic sulfide that contains rhenium, copper, arsenic, and bismuth. To recover rhenium from the precipitate, the separation of perrhenate ions from industrial leach solutions using synergistic solvent extraction was investigated.

US20110229366A1 - Method for recovering rhenium and other ...

US20110229366A1 US13/042,520 US201113042520A US2011229366A1 US 20110229366 A1 US20110229366 A1 US 20110229366A1 US 201113042520 A US201113042520 A US 201113042520A US 2011229366 A1 US2011229366 A1 US 2011229366A1 Authority US United States Prior art keywords re obtain mo concentrate method according Prior art date 2010-03-16 Legal status (The legal status is …

How to Recover Rhenium from Uranium Leach Liquor

The discovery of rhenium on the ion exchange resin used at the uranium in-situ leach operations at Palangana (Texas) led to a laboratory study on the possible methods of recovery. Rhenium, present in small amounts in the ammonium carbonate leach liquors as the perrhenate anion, ReO4-, concentrated on the anion exchange resin, which was a factor of ten more selective for rhenium than for ...

Rhenium recovery - Asarco LLC

Mar 24, 2015· What is claimed is: 1. A method of recovering rhenium from copper solvent extraction solution, comprising: Determining that the copper solvent extraction solution contains trace amounts of rhenium; Providing a feedstock from the copper solvent extraction solution, the feedstock comprising trace amounts of rhenium; Filtering the feedstock, producing filtered feedstock; Absorbing the trace ...

Recovery of Rhenium from Superalloy Scrap | SBIR.gov

Very little rhenium is actually processed and isolated each year as compared to the millions of tons of copper and millions of pounds of molybdenum that are extracted from the same copper deposits. Opportunities exist for enhancing rhenium yield through technological improvements in discrete steps in the recovery process.

US4572823A - Process for rhenium recovery - Google Patents

A process for rhenium recovery by the use of an anion exchange resin comprises eluting rhenium from the rhenium-adsorbed anion exchange resin with a hydrochloric acid solution containing a metal chloride. Preferred metal chloride is that of copper, cadmium, or zinc.

Recovery of rhenium from copper leach solution by ion ...

There is current interest in recovering rhenium from solutions produced as a result of copper heap and stockpile leaching. Copper-bearing leach solutions typically contain rhenium at concentrations near 1 mg/L. This work has demonstrated that rhenium can be efficiently extracted from these solutions using weakly basic anion exchange resins.

Rhenium: a hidden asset - DigitalRefining

Recovering rhenium While all precious metals refiners are capable of recovering the PGMs from spent process catalysts, until now refiners have been unable to recover all of their Re content. There are many reasons for this, but the main reason concerns the inability to separate the remaining Re with a practical process for its recovery and ...

CN103003455A - A method for recovering rhenium and other ...

The present invention relates to a method of recovering rhenium (Re) and other metals from Re-bearing materials including, as an exemplary process, the steps: (i) adding Re-bearing materials into a leaching slurry; (ii) adjusting the pH of the slurry to obtain Re in soluble form in a metal salt solution and insoluble residues; (iii) filtering the metal salt solution to remove the insoluble ...

Recovery of Radiogenic Osmium-187 from Sulfide Copper Ores ...

[iv] Some rhenium-containing copper deposits, such as copper-bearing sandstones and shale, where the content of radiogenic osmium-187 (in the osmium identified) is higher than 99.4 per cent. The fourth type of deposit includes the Zhezkazgan sulfide copper ore deposit in Kazakhstan, see Figure 2, where the authors have discovered radiogenic ...

Recovery of Molybdenum & Rhenium From Molybdenite …

Molybdenum and Rhenium Recovery. Figure 8 details the process sequence employed for recovering molybdenum and rhenium from the electrooxidation reaction pulp. Liquid-solids separation was accomplished in two 3-foot rake thickeners in series with a 1- by 3-foot washing rotary drum filter.

Recovery of rhenium from copper leach solutions using ion ...

The purpose of this paper is to provide useful information for developing more efficient and economical technology of recovering rhenium from the copper leach solution in industrial application. The weak base anion exchange resins were chosen to selectively recovery rhenium from the low-grade leach solution of copper smelting process.

WO2011115660A2 - A method for recovering rhenium and …

The present invention relates to a method of recovering rhenium (Re) and other metals from Re-bearing materials including, as an exemplary process, the steps: (i) adding Re-bearing materials into a leaching slurry; (ii) adjusting the pH of the slurry to obtain Re in soluble form in a metal salt solution and insoluble residues; (iii) filtering the metal salt solution to remove the insoluble ...

Recovery of Rhenium from Molybdenum and Copper ...

Rhenium is recovered during pyrometallurgical processing of molybdenum sulfide and copper sulfide ores; the traditional technology involves removing rhenium(VII) oxide, Re2O7, from the sulfurous ...

134 RHENIUM - Amazon Web Services

6 million kilograms. Rhenium also is associated with copper minerals in sedimentary deposits in Armenia, Kazakhstan, Poland, Russia, and Uzbekistan, where ore is processed for copper recovery and the rhenium-bearing residues are recovered at copper smelters.

Rhenium: A Hidden Asset - Sabin Metal Corporation

Jun 01, 2013· Recovering Rhenium While all precious metals refiners are capable of recovering the PGMs from spent process catalysts, until now refiners have been unable to recover all of their Re content. There are many reasons for this, but the main reason concerns the inability to separate the remaining Re with a practical process for its recovery and ...

Rhenium | chemical element | Britannica

Rhenium does not occur free in nature or as a compound in any distinct mineral; instead it is widely distributed in small amounts in other minerals, usually in concentrations averaging about 0.001 parts per million. Chile is the world leader in rhenium recovery, followed by the United States, Poland, Uzbekistan, and Kazakhstan.. Rhenium occurs up to about 20 parts per million in molybdenite ...

(PDF) Extractive Metallurgy of Rhenium: A Review

In nature, rhenium is commonly embedded in copper and molybdenite ores in trace quantities, and it is recovered as a by-product during the production of copper and molybdenum [3, 4]. In addition ...

Rhenium — Market Report — Roskill

Rhenium is a high-value, low volume metal that is un-substitutable across many applications in which it is used. Consumption is estimated to have recovered to just under 75t in 2018, in line with growth across its main first-use markets — superalloys, catalysts, thermocouples and other hi-tech uses — following the phase-out of rhenium in non-essential applications during its price spike of ...

Recovery of rhenium from copper leach solution by ion ...

Highlights This paper discusses the recovery of rhenium from copper-bearing leach solutions using weakly basic anion exchange resins. Rheium was successfully extracted from solution containing less than 1 mg/L. The resin loaded with rhenium is effectively eluted using 1 M NaOH. Rich eluates containing about 1400 mg/L Re were obtained. The overall concentration ratio is about 2400:1.

Methods and systems for recovering rhenium from a copper ...

Jan 29, 2013· The methods can include subjecting a metal-bearing solution to an activated carbon bed, and adsorbing rhenium onto the activated carbon. Th Methods and systems for recovering rhenium from a copper leach - Freeport-McMoran Corporation

Welcome to Rhenium Alloys, Inc.

Quartz Halogen Lamps . The Rhenium Lamp Group, a division. of Rhenium Alloys, is an established supplier of high-quality rhenium alloys and other advanced materials for use in nuclear, semiconductor, electronic, space, and other high-tech industries throughout the world. Rhenium Alloys leverages proprietary manufacturing techniques along with state-of-the-art manufacturing equipment to ensure ...

Rhenium - USGS

Rhenium is one of the rarest elements in Earth's continental crust; its estimated average crustal abundance is less than 1 part per billion. Rhenium is a metal that has an extremely high melting point and a heat-stable crystalline structure. More than 80 percent of the rhenium consumed in the world is used in high-temperature superalloys, especially those used to make turbine blades for jet ...

RECOVERY OF RHENIUM AND MOLYBDENUM VALUES FROM MOLYBDENITE …

Nov 06, 1973· The present invention is directed to the recovery from molybdenite of a high yield of rhenium either as a high grade intermediate product or as a high grade metal along with a metallurgical quality molybdic oxide calcine containing a minimum of copper and sulfur impurities, all with an efficient use of heat and materials.

Rhenium | KGHM Corporate Website

Rhenium's unique properties make it suitable and attractive for all applications requiring resistance to high temperatures, and damage and deformation. For KGHM rhenium is a by-product of the copper production process. Metallic rhenium. KGHM produces its metallic rhenium in the form of gray tablets.