A Combined Deep Eutectic Solvent–Ionic Liquid Process for …
A Combined Deep Eutectic Solvent–Ionic Liquid Process for the Extraction and Separation of Platinum Group Metals (Pt, Pd, Rh) November 2021 Molecules …
Separating the Platinum Group Metals by Liquid-Liquid …
It must allow separation of the ingly employed in the non-precious metals platinum group metals from the base metals, industry, for example during the extraction where the major …
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 obtained from the platinum placer after gravity separation. The gravity concentrate contains more than 15% of platinum metals, which can be directly separated and …
Solvent extraction of rhodium chloride from aqueous
1.. IntroductionThis paper has been written in commemoration of the late Professor Abraham Warshawsky, one of whose many fields of interest was the extraction of platinum-group metals with tertiary and quartenary amines [7].. In this paper the extraction of Rh(III) chloride with trioctylamine and with Aliquat 336 (a quaternary amine) was …
RECOVERY AND SEPARATION OF PLATINUM GROUP …
Straightforward metal separations were designed on the basis of the results obtained in the single metal experiments, and selective co-extraction of Pd( II) and Pt( TV) from Rh( III)at low HC1 concentrations, as well as partial separation between Pd( ll) and Pt( IV) at high acid concentrations, were achieved.
Liquid-liquid extraction/separation of platinum(IV) and …
The highest separation factor (S.F.=184.7) of platinum(IV) and rhodium(III) was achieved with 0.01 mol/L Alamine 308 at 1.0 mol/L of hydrochloric acid concentration.
Extraction and Separation of Selected Platinum-Group and …
Separation Science and Technology Volume 50, 2015 - Issue 15. ... 8 CrossRef citations to date 0. Altmetric Extraction. Extraction and Separation of Selected Platinum-Group and Base Metal Ions from Nitric Acid Solutions Using Thiodiglycolamides (TDGA) as Novel Extractants. E. A. Mowafy Faculty of Science, ...
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 ...
Toward the Recovery of Platinum Group Metals from a Spent …
Supported ionic liquid technology presents an environmentally benign alternative for fast and simple recovery and separation of platinum group metals from …
Extraction and separation of platinum, palladium and rhodium using
The separation conditions, thus, developed were validated by applying the scheme to a catalyst standard (NIST SRM-2556). The developed method has been extended for the recovery of platinum, palladium and rhodium from spent Pt–Rh thermocouple wire, coated ceramic honeycomb and palladium coated alumina catalyst.
Investigation of Separation of Metal Layers Including Platinum …
The platter of hard disk drives contains valuable metals such as the Ruthenium and Platinum. However, these metals were not recycled from the disk for a long time because the low-cost separation and concentration technologies have not been established. In this study, we applied the electrical pulsed discharge method to the …
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 ...
Separation of the Platinum-Group Metals from Base Metal …
DOI: 10.1016/B978-0-08-096809-4.10036-X Corpus ID: 91875973; Separation of the Platinum-Group Metals from Base Metal Sulfides, and the Refining of Nickel, Copper and Cobalt @inproceedings{Crundwell2011SeparationOT, title={Separation of the Platinum-Group Metals from Base Metal Sulfides, and the Refining of Nickel, Copper and Cobalt}, …
Synthetic control of Pt...Pt separation and
A new series of luminescent mu-pyrazolate-bridged cyclometalated platinum binuclear complexes having the formula CwedgeNPt(mu-pz')2PtCwedgeN (Cw edgeN = 2-(2,4-difluorophenyl)pyridyl, pz' = pyrazolate) have been synthesized and characterized. A new series of luminescent mu-pyrazolate-bridged cyclometalated platinum binuclear …
Separation of platinum group metals using deep eutectic …
A new separation strategy for PGMs (Pt, Pd, Rh, Ir, Ru) was proposed using tetraalkylammonium based deep eutectic solvents (DESs).. The DESs capacity is extremely high and equals 110 and 103 g kg −1 for Pd(II) and Pt(IV), respectively.. The purity exceeding 99.9% for target fractions was obtained after extraction of PGMs from …
Separation of platinum and rhodium from chloride
The selective separation of platinum was carried out with 0.01 M Aliquat 336 (a quaternary ammonium salt) at an aqueous to organic ratio (A/O) of 3.3 in two stages. Stripping of Pt from loaded ...
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.
Solvent Extraction as a Method of Recovery and …
The step is usually the solvent extraction of gold, followed by palladium or platinum. The remaining PGMs are recovered at the beginning or end of the entire …
(PDF) Separation of Rhodium from Platinum, Palladium, and …
A method is described for the analytical separation of platinum from each or all of the three metals, palladium, rhodium, and iridium. It is based upon the complete precipitation of the hydrated dioxides of palladium, rhodium, and iridium in a boiling solution containing sodium bromate and having an acidity of pH 6. Two precipitations of the ...
Improved adsorption and separation of palladium (II) and platinum …
A tannin gel (TG) synthesized from condensed tannin molecules has a remarkable ability to adsorb various metal ions in aqueous solutions. In the present study, we have investigated the adsorption behaviors of palladium and platinum ions, Pd(II) and Pt(IV), in strong HCl solutions using the thiocyanate-retaining tannin gel (SCN-TG) …
Process for the separation and recovery of palladium and platinum …
Around 0.01 M acid clear separation of Pt from Fe and quantitative co-extraction of Pt and Fe was reported in the acid range 1- 5 M acid [3]. In the present study on Pt separation from palladium raffinate, similar behavior of co-extraction of Pt and Fe was observed, leaving Cr, Mn and Ni in aqueous solution. 3.2.2. Extraction isotherm of …
Separation of platinum group metals using deep eutectic …
DOI: 10.1016/j.seppur.2022.122427 Corpus ID: 253085954; Separation of platinum group metals using deep eutectic solvents based on quaternary ammonium salts @article{Mokhodoeva2022SeparationOP, title={Separation of platinum group metals using deep eutectic solvents based on quaternary ammonium salts}, author={Olga …
APPLIED ELECTROCHEMISTRY AND CORROSION PROTECTION OF METALS Separation
Semantic Scholar extracted view of "APPLIED ELECTROCHEMISTRY AND CORROSION PROTECTION OF METALS Separation of Platinum(IV) and Iron(III) with Liquid Membranes under Electrodialysis Conditions" by T. Sadyrbaeva
Separation and recovery of ruthenium: A review
Naito et al. [52] also investigated the recovery and mutual separation of. noble metals from the quaternary Mo–Ru–Rh–Pd alloy and. the recovery yield was more than 90 % for Ru, Rh and Pd. As ...
Maxi Cap Platinum
Models 4800P, 3600P. One of the most advanced high-capacity separators on the market, the Maxi Cap Platinum adds one-touch power electronic control and repeatable memory to a proven separator platform, capable …
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.
Separation of platinum group metals using deep eutectic …
A new separation strategy for PGMs (Pt, Pd, Rh, Ir, Ru) was proposed using tetraalkylammonium based deep eutectic solvents (DESs). • The DESs capacity is extremely high and equals 110 and 103 g kg −1 for Pd(II) and Pt(IV), respectively.. The purity exceeding 99.9% for target fractions was obtained after extraction of PGMs from …
Unveiling the Crucial Role of Platinum Wire for …
Platinum wire electrodes serve as indispensable pillars in the realm of electrophoresis. It underpins the precision and reliability of molecular separation techniques.
Extraction of platinum group metals from catalytic converters
Notable among these emerging techniques are solvometallurgy, molecular recognition technology, and magnetic separation. This comprehensive review endeavors to study and assess the latest advancements in the recovery of platinum group metals from spent catalysts, meticulously evaluating their respective advantages and disadvantages.
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 …