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Platinum Metals Metallurgy | SpringerLink

The extraction of platinum metals generally goes through three steps: enrichment, separation of platinum metals, and refining of platinum. The concentrate is …

Recovery and extraction of platinum from spent …

The general methods of extracting and separating platinum from spent catalysts include pyrometallurgy and hydrometallurgy.

A Combined Deep Eutectic Solvent–Ionic Liquid Process for …

2.1. Leaching of PGMs with Deep Eutectic Solvent. Prior to the separation experiments reported herein, a leaching procedure of PGMs from milled spent car catalyst material, with the aid of DESs, has already been developed in our research group [].The PGM-leaching capacity of various choline-based DES that was evaluated in our study was assessed at …

A Selective Separation of Platinum Group Metals …

Separating individual Platinum Group Metals (PGMs), such as Pt, Pd, and Rh, after they have been dissolved into solution is a complex process due to their …

Extraction behavior of a novel functionalized ionic liquid for

Abstract A novel ionic liquid (IL) functionalized with thiodiglycol amic acid containing a soft S donor was synthesized for the effective and efficient extraction of platinum group metals (Ru, Rh, and Pd) from aqueous nitric acid solutions, such as high-level radioactive liquid waste (HLLW). The IL enabled rapid extraction of Pd(II) with an …

Separation of platinum and palladium from chloride

The separation of platinum and palladium from chloride solution by solvent extraction, using Alamine 300 as an extractant, has been studied. The effect of different parameters such as the ...

Miniaturized application of 3D‑printed large‑flow …

The reactor was applied to experiments concerning tributyl phosphate extraction and separation of platinum, palladium and rhodium precious metal ions in a hydrochloric acid system. Results showed that, under the conditions of a ratio of 1:1 and a flow rate of 192.5 mL min‑1 (processing capacity of 1.5L h‑1), the extraction rates of platinum ...

Separation of platinum(IV) and palladium(II) from …

@article{Nguyen2015SeparationOP, title={Separation of platinum(IV) and palladium(II) from concentrated hydrochloric acid solutions by mixtures of amines with neutral extractants}, author={Thi Hong Nguyen and Chong Ho Sonu and Man-Seung Lee}, journal={Journal of Industrial and Engineering Chemistry}, year={2015}, volume={32}, …

Separation of platinum, palladium and rhodium from …

Demand for platinum (Pt), palladium (Pd) and rhodium (Rh) as parts of platinum group metals (PGMs) has continued to increase as a consequence of increase in their applications. Various extraction methods have been developed to produce the …

Separation of Platinum, Palladium and Rhodium from

Accurate separation and efficient recovery of platinum group metals (PGMs, mainly Ru, Rh and Pd) from high level liquid waste (HLLW) is a good choice for clean production and sustainable...

Extraction and separation of platinum, palladium and rhodium using

The authors comprehended to explore Cyanex 923 for the separation and recovery of platinum metals. The paper embodies distribution studies on platinum, palladium and rhodium along with some commonly associated metal ions namely gold, silver, iron, nickel, cobalt, chromium, copper and aluminum.

Molecules | Free Full-Text | A Combined Deep Eutectic …

Recovery of platinum group metals from spent materials is becoming increasingly relevant due to the high value of these metals and their progressive depletion. In recent years, there is an increased interest in developing alternative and more environmentally benign processes for the recovery of platinum group metals, in line with …

The separation of platinum (2) and palladium (2) by …

Corpus ID: 99551990; The separation of platinum (2) and palladium (2) by surfactant gel extraction (part 2) @article{Dobashi2009TheSO, title={The separation of platinum (2) and palladium (2) by surfactant gel extraction (part 2)}, author={Yuta Dobashi and Yoshiko Murakami and Isamu Fujiwara and Noritaka Abe and Shoji Tagashira}, journal={Solvent …

Selective Recovery of Platinum (IV) from HCl …

The selective separation and recovery of specific platinum-group metals (PGMs) from metal mixtures is a significant challenge owing to the similarity of these metals in terms of chemical and physical …

Separation of Palladium, Platinum and Rhodium from …

@article{Song2023SeparationOP, title={Separation of Palladium, Platinum and Rhodium from Metallic Mixture by Selective Dissolution with Hydrochloric Acid Solutions Containing Oxidizing Agents}, author={Si Jeong Song and Viet Nhan Hoa Nguyen and Man-Seung Lee}, journal={Mineral Processing and Extractive Metallurgy Review}, year={2023}, url ...

A Selective Separation of Platinum Group Metals from the …

Despite these methods, the separation of these metals remains a challenging task in the field of PGMs recovery. The electrochemical processes such as electrodeposition and electrochemical leaching or electrochemical dealloying offer several benefits for the separation of platinum group metals (PGMs) from spent automotive …

Separation of platinum group metals from model chloride …

The platinum group metals (PGMs belonging to Pt, Pd, and Rh) are the precious metals that currently hold great financial and industrial significance [1], [2]. Owing to their distinctive properties, PGMs are used in a wide array of applications in the chemical, jewellery, pharmaceuticals, and electronic industries, albeit predominantly used in ...

Separation of Platinum(IV) and Palladium(II) from …

Separation of platinum and palladium from concentrated HCl solutions by extraction with mixture of amines (Aliquat 336/Alamine 336/TOA) and neutral extractants (TBP/TOP/MIBK) have been investigated.

Separation of platinum group metals using deep eutectic

The scheme of separation of Pd(II) and Pt(IV) as well as rare platinum metals was proposed for processing technological solutions to obtain individual fractions of precious metals with purity of ...

Recovery and Then Individual Separation of Platinum, …

Recovery of PGMs (especially rhodium, platinum, and palladium) from different spent manufactured products (like catalytic converters) is considered as an important task as they are rarely found in ...

Selection of low-toxic and highly efficient ionic liquids for …

Funaki et al. [21] prepared ILs combined with tetrahydropyran-2H-yl-protected thiol moiety to selective extract Pd(II) from a mixture of Pd and Pt. The same group [22] synthesized imidazolium-based IL bearing amino-moiety combined with tetrafluoroborate [BF 4] and [(CF 3 SO 2) 2 N] for the separation of platinum group metals from metal …

Solvent extraction separation and recovery of palladium and platinum

Fig. 1 shows the extraction behavior of Pd and other metals as a function of TBP concentration in the range from 0.0018 to 0.183 M in kerosene at unit phase ratio. Quantitative and selective extraction of Pd is achieved with 0.0054 M TBP.The co-extraction of other metals is only less than 1%, indicating effective separation of Pd from other …

Solvometallurgical Recovery of Platinum Group …

Extraction and separation of platinum group metals (PGMs) from secondary raw materials are usually carried out via hydrometallurgical …

Separation and preconcentration of platinum-group

Technique of sorption separation and concentration of platinum, palladium and rhodium For separation of the determined elements from matrix components, sorption concentration has been carried out. They added 50 mL of the studied solution of spent AC to conical flask with a capacity of 100 mL, boiled it out to wet salts, washing flask walls 2 ...

Extraction behavior of a novel functionalized ionic liquid for …

A novel ionic liquid (IL) functionalized with thiodiglycol amic acid containing a soft S donor was synthesized for the effective and efficient extraction of platinum group metals (Ru, Rh, and Pd) from aqueous nitric acid solutions, such as high-level radioactive liquid waste (HLLW). The IL enabled r …

Solvent Extraction as a Method of Recovery and …

Solvent Extraction as a Method of Recovery and Separation of Platinum Group Metals. by Karolina Pianowska 1,2,*, Joanna Kluczka 2, Grzegorz Benke 1, …

Interatomic Potentials Repository

Notes: This is the Pt interaction from the "Universal" parameterization for the openKIM LennardJones612 model driver.The parameterization uses a shifted cutoff so that all interactions have a continuous energy function at the cutoff radius.This model was automatically fit using Lorentz-Berthelotmixing rules. It reproduces the dimer equilibrium …

Extraction and separation of platinum, palladium and …

DOI: 10.1016/J.HYDROMET.2013.01.001 Corpus ID: 97564335; Extraction and separation of platinum, palladium and rhodium using Cyanex 923 and their recovery from real samples @article{Gupta2013ExtractionAS, title={Extraction and separation of platinum, palladium and rhodium using Cyanex 923 and their recovery from real samples}, author={Bina …

Separation of platinum(IV) and palladium(II) from …

Separation of platinum and palladium from concentrated HCl solutions by extraction with mixture of amines (Aliquat 336/Alamine 336/TOA) and neutral extractants (TBP/TOP/MIBK) have been investigated. The mixture of Aliquat 336 and TBP led to higher Pt(IV) separation factor at 6 M HCl solution. McCabe–Thiele diagram for the extraction …

Separation of palladium and platinum metals by selective …

Semantic Scholar extracted view of "Separation of palladium and platinum metals by selective and simultaneous leaching and extraction with aqueous/non-aqueous solutions" by Viet Nhan Hoa Nguyen et al.