Recovering gold from thiosulfate leach pulps via ion exchange

This paper describes work aimed at evaluating the effectiveness of commercially available anion exchange resins for the recovery of gold from thiosulfate leach liquors and pulps. Increasing environmental and occupational safety concerns about the use of cyanide in gold processing has increased interest in more acceptable alternative

Development of the regeneration technology of AM-2B ion exchange resin

The principal technological scheme of desorption of gold and accompanying metal-impurities from the AM-2B resin phase used for the sorption processing of gold-bearing ores is considered.

Ion exchange resins in the gold industry

The applications of ion exchange (IX) resins in gold metallurgy will be discussed in three main contexts. The first one focuses on the use of the IX resins for the concentration and recovery of gold from leach pulps or solutions. In this case, the resins appear as an alternative to activated carbon, the typical gold adsorbent from dilute

Ion Exchange Resin Technology in Recovery of Precious …

Depending on the gold pregnant solution, gold exists predominantly in two different oxidation states (anion forms) of [Au] − and [Au] 3− and the resins used in gold recovery are all weak, medium and strong base anion exchange resins [28, 32, 35].

Sequential recovery of gold and copper from bioleached wastewater using

Herein, we demonstrate effective recovery of bioleached Au and Cu via selective separation using ion exchange resins. pH-edge experiments revealed high affinity of Amberjet™ 4200 resin towards Au (adsorption capacity > 98%) over the entire pH range from pH 2–10, whereas Amberlite IRC-86 resin recorded very high Cu adsorption …

Water Treatment Services | Resin Products

Resin Products Limited is the leading supplier of high-quality ion exchange resins, drinking water cartridges and water treatment products.We work with some of the UK and Europe's largest commercial and OEM accounts. We are the official UK & Europe's distributors for RESINTECH INC & ARIES FILTER WORKS.

Gold recovery from synthetic mine tailings leachate using chelating ion

DOI: 10.1016/j.rcradv.2023.200182 Corpus ID: 262205568; Gold recovery from synthetic mine tailings leachate using chelating ion exchange resins with thiosulfate-thiourea lixiviant

Ion Exchange Resin Technology in Recovery of Precious …

Ion exchange technology has received outstanding attention in a wide variety of industries, including water treatment, pharmaceuticals, petrochemicals and hydrometallurgy due to its fast and high-efficiency operations. In hydrometallurgical applications, ion exchange resins have been used increasingly for the recovery and purification of metal pregnant …

The recovery of gold from the aqua regia leachate of …

and recover gold from such diluted media requires the use of ion exchange resins. Ion exchange polymers have reliably established applica-tions [16,17] including the separation of noble metals [18 ...

A Review of Thiosulfate Leaching of Gold: Focus …

The ion exchange resins studied to recover gold from thiosulfate leach solution mainly involve weak-base anion resins and strong-base anion resins. The loading capacities of weak-base resins are usually less …

New Developments in Ion Exchange Resins for the Recovery …

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Gold recovery from synthetic mine tailings leachate using …

WEBWith a limited amount of mineable gold remaining, the process of recovering gold from mine tailings needs development. This paper will specifically investigate the …

Top 10 Ion Exchange Resin Suppliers in Europe

The Global Ion Exchange Resin Market is expected to grow 4.2% by 2025. Europe accounts for a significant portion of the Global Ion Exchange Resin market, with many big companies based and …

Gold Recovery from Simulant Mine Tailings Using Chelating Ion Exchange …

This paper will specifically investigate the recovery of gold using ion-exchange resins in a thiosulfate-thiourea lixiviant solution. A range of resins of different functionalities: Purolite ...

Selective gold recovery from pregnant thiocyanate leach …

DOI: 10.1016/j.hydromet.2023.106055 Corpus ID: 257566437; Selective gold recovery from pregnant thiocyanate leach solution using ion exchange resins @article{Azizitorghabeh2023SelectiveGR, title={Selective gold recovery from pregnant thiocyanate leach solution using ion exchange resins}, author={Atefeh Azizitorghabeh …

Resin-in-Pulp and Resin-in-Solution

Application of ion-exchange resins to the recovery of gold is described. Significant developments around gold-selective anion-exchange resins and the commercialization of at least two of these products have made resin-in-pulp (RIP) available as an alternative to CIP for the upgrading of gold from cyanided pulps.

Recovery of gold from chloride solution with ion exchange resins

The extraction of gold from chloride solutions by ion exchange is examined. It is shown that at initial gold concentrations between 1-5 ppm, 20 g/l Cl-and pH 5, the kinetics of loading on weak base resins are slightly slower than those observed with activated charcoal. Equilibrium loading of auric chloride varies considerably as a function of pH …

PurometTM Resins For Metals Removal, Recovery and …

Pulp, 10–50% solids Resin-in-pulp (RIP), air-agitated pachuca or mechanically agitated vessel TABLE 1 Applications of Ion Exchange in Hydrometallurgy TABLE 2 Choice of IX Contactor Based on Solids Content of Feed A wide variety of process streams benefit from the application of ion exchange resins, as shown in Table 1.

What Is Ion Exchange Resin and How Does It Work?

What are the physical properties of IX resins? The geometric shape, size, and structure of IX resins can vary from one type to the next. Most IX exchange systems employ a resin bed consisting of tiny, porous microbeads, though some systems, such as those used for electrodialysis, use a sheet-like mesh resin.

A systematic review of sustainable gold extraction from …

The company Jacobi Group offers a full range of carbon products to serve the gold recovery industry. These include granular activated carbon grades, and higher capacity granular activated carbon (Group, 2017). 5.2. Ion-exchange resins (IX) The application of ion-exchange resins is an alternative to separate gold ions.

The Recovery of Gold from Ores by Ion Exchange Resins

Ion exchange resins are an attractive alternative to activated carbon in both column and resin-in-pulp processes for the recovery of gold from cyanide solution.

ION EXCHANGE RESIN SYSTEMS

resin for gold recovery from acid or cyanide rinse water. Depth of resin column assures good solution contact for maximum metal recovery. Gold is recovered by incinerating the resin. ... ION EXCHANGE RESIN SYSTEMS 2900 MacArthur Blvd. Northbrook, IL. USA 60062 (800) 323 - 5431 R-201_N Page 2 SYSTEMS

Ion Exchange Resin Technology in Recovery of …

[17, 33, 34]. The ion exchange resin can be used to recover gold from its pregnant solutions through the reversible ion exchange reactions between the counter ions in the resins and gold complex in the solutions. Depending on the gold pregnant solution, gold exists predominantly in two different oxidation states (anion forms)

Gold recovery with ion exchange used resins

Abstract The use of an ion exchange resin in the recovery of copper cyanide complexes from wastewater and the recycling of the cyanide used in cyanidation to the gold cyanidation step is an…

Selective gold recovery from pregnant thiocyanate leach …

Table 1 shows the studies on gold recovery from thiocyanate PLS using ion exchange (IX) resins. Kholomogorov et al. (2002) investigated gold recovery from thiocyanate PLS (0.4 M KSCN and 0.015 M ferric as sulfate, pH = 2–5) using three different organic ion exchangers, AV-17-10P (strong basic), AP-100 (medium basic) and ANKF-5 …

(PDF) Comparison of ion-exchange resins and …

Gold is recovered from its raw materials by bioleaching or cyanidation, followed by other operations, i.e., adsorption on the activated carbon [1][2][3], zinc precipitation [3,4] and ion exchange ...

Ion Exchange Resin to Recover Gold from Acid Solution

Ion exchange resin-loaded papers containing 50 percent resin are an excel¬lent medium for collecting gold in a form suitable for X-ray spectrographic and neutron activation determination. In both analytical methods, cyclotron- produced 195Au can be used as a collection monitor.

Cost-saving nanotechnology set to disrupt gold processing industry

Unlike conventional ion exchange resins, the IXOS® resin has a long life (>50 loading/unloading cycles), high capacity (~30g/kg) and selectivity for gold (>95%) and greater than 98% gold recovery ...

Advances in Hydrometallurgical Gold Recovery through …

Learn about the latest advances in gold recovery from leach solutions using cementation, adsorption, ion exchange and solvent extraction. The paper reviews the …

OPTIMISING THE USE OF SYNTHETIC ION EXCHANGE RESIN …

This study investigates innovative methods for gold (Au) recovery from municipal wastewater treatment plant residues, focusing on the use of synthetic ion exchange …

Ion Exchange MIEX ® GOLD Resin as a Promising Sorbent …

Per- and polyfluoroalkyl substances (PFASs) are synthetic compounds, which have been widely produced, used, and recently identified as extremely toxic chemicals, and are responsible for serious environmental and human health risks. In this study, the removal efficiency of MIEX® GOLD resin was tested against six PFAS …

Sequential process of sorption and incineration for recovery of gold

The Langmuir equilibrium constants (b) of the raw biomass and PEIB were 0.024 and 0.012 L mg −1, respectively, indicating an affinity between gold(I) and the biosorbent. The ion exchange resin achieved the highest gold(I) loading of 427.771 mg g −1. Download : Download full-size image; Fig. 2.

Gold Removal and Recovery

Gold Removal and Recovery CORPORATE HEADQUARTERS 1801 Federal Street Camden, NJ 08105 USA PHONE 856.768.9600 FAX 856.768.9601 EMAIL info@resintech WEB resintech RESINTECH TECHNICAL DATA SHEET REV 0421 The use of ion exchange resins to recover gold from plating operations is …

Sequential recovery of gold and copper from bioleached

Europe PMC is an archive of life sciences journal literature. Europe PMC Sequential recovery of gold and copper from bioleached wastewater using ion exchange resins.

(225ag) Gold Recovery from Simulant Mine Tailings Using Chelating Ion

This paper will specifically investigate the recovery of gold using ion-exchange resins in a thiosulfate-thiourea lixiviant solution. A range of resins of different functionalities: Purolite® A200, Lewatit® MonoPlus TP 214, Dowex™ M-4195, Puromet MTS9140 and Lewatit® VPOC 1026 were assessed for their gold uptake capabilities via ...

Recovery of gold with ion exchange resin from leaching …

The current study deals with the selective recovery of gold over copper from synthetic and real thiocyanate PLS using ion exchange resins. Consequently, selective adsorption of Au(I) by ion exchange resins and selective Au(I) elution by proper eluent is proposed to obtain a high-purity Au(I) solution.

Precious metals recovery from waste printed circuit boards …

MTA 5011 ion exchange resin was used for precious metals recovery from leachates. It was determined that at higher resin: solution ratios, gold and silver recovery on the resin increased whereas selectivity towards gold diminished. The 87% of the gold was recovered and only 29% of copper was adsorbed too.