scholarly journals Reducing the Competition: A Dual-Purpose Ionic Liquid for the Extraction of Gallium from Iron Chloride Solutions

Molecules ◽  
2020 ◽  
Vol 25 (18) ◽  
pp. 4047
Author(s):  
Luke M. M. Kinsman ◽  
Carole A. Morrison ◽  
Bryne T. Ngwenya ◽  
Jason B. Love
Keyword(s):  
Ionic Liquid ◽  
Solvent Extraction ◽  
Chemical Properties ◽  
Extraction Process ◽  
Selective Separation ◽  
Iron Chloride ◽  
Dual Purpose ◽  
Chloride Solutions ◽  
Similar Chemical ◽  
Hcl Solution

The separation of gallium from iron by solvent extraction from chloride media is challenging because the anionic chloridometalates, FeCl4− and GaCl4−, display similar chemical properties. However, we report here that the selective separation of gallium from iron in HCl solution can be achieved using the dual-purpose ionic liquid methyltrioctylammonium iodide in a solvent extraction process. In this case, the reduction of Fe3+ to Fe2+ by the iodide counterion was found to inhibit Fe transport, facilitating quantitative Ga extraction by the ionic liquid with minimal Fe extraction from 2 M HCl.

scholarly journals Desulfurization Of The Dibenzothiophene (DBT) By Using Imidazolium-Based Ionic Liquids(Ils)

2019 ◽  
Vol 1 (2) ◽  
pp. 1
Author(s):  
Bilal Kazmi ◽  
Awan Zahoor ◽  
Hashmi Saud ◽  
Zafar Khan Ghouri
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Process Condition ◽  
Chemical Properties ◽  
Aspen Plus ◽  
Extraction Process ◽  
Simulation Software ◽  
Liquid Fuels ◽  
Process Conditions ◽  
Model Diesel

In this work we examined the industrial scale extraction process of ultra-low sulfur diesel with the help of simulation software ASPEN Plus®. This work focuses on the [Cnmim] [BF4] (imidazolium-based) ionic liquid and employed it in the extractive desulfurization of the dibenzothiophene (DBT) from the model diesel fuel under a very mild process condition. UNIFAC (uniquasi functional activity) was chosen as the thermodynamic method to model the ionic liquid on ASPEN Plus® and different physical and chemical properties were then taken from the literature to be incorporated in the simulation model. Different parametric analysis was studied for the removal of thiophene-based compounds from the model diesel. The results acquired shows the significance of imidazolium-based ionic liquids (ILs) for the extraction of S-contents from the liquid fuels at an optimal process conditions of 40 ℃ and 2 bar pressure with the 2.8: 1 ratio of ionic liquid and model diesel which validates the experimental results obtained previously in the literature.

Highly selective separation of individual platinum group metals (Pd, Pt, Rh) from acidic chloride media using phosphonium-based ionic liquid in aromatic diluent

RSC Advances ◽  
2016 ◽  
Vol 6 (67) ◽  
pp. 62717-62728 ◽  
Author(s):  
Viet Tu Nguyen ◽  
Jae-chun Lee ◽  
Alexandre Chagnes ◽  
Min-seuk Kim ◽  
Jinki Jeong ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Solvent Extraction ◽  
High Purity ◽  
Selective Separation ◽  
Platinum Group Metals ◽  
Aromatic Solvent ◽  
Acidic Chloride ◽  
Platinum Group ◽  
Cyphos Il 101

An effective solvent extraction-based method has been developed to recover individually platinum group metals (Pd, Pt, and Rh) with high purity from acidic chloride media using phosphonium-based ionic liquid Cyphos IL 101 in aromatic solvent.

Solvent Extraction and Stripping of Tetravalent Titanium from Acidic Chloride Solutions by Trioctylphosphine Oxide

2012 ◽  
Vol 550-553 ◽  
pp. 616-621
Author(s):  
Xue Hua Mao ◽  
Dai Jun Liu
Keyword(s):  
Solvent Extraction ◽  
Organic Phase ◽  
Chloride Concentration ◽  
Extraction Process ◽  
Trioctylphosphine Oxide ◽  
Extractant Concentration ◽  
Total Chloride ◽  
Chloride Solutions ◽  
Acidic Chloride ◽  
Kinetics Of

The solvent extraction and stripping of titanium(Ⅳ) from acidic chloride solutions by trioctylphosphine oxide（TOPO） in kerosene has been investigated. The solvent extraction results demonstrate that the extracted titanium is present as TiCl4.2TOPO. The kinetics of the extraction process is very fast, since the equilibrium is reached in 5 min. In addition, the extraction of titanium (Ⅳ) increases with the total chloride concentration in the aqueous phase, as well as with the extractant concentration in the organic phase. The loading capacity of TOPO for titanium (Ⅳ) is 4.60g/100g TOPO. The stripping results show that when the O/A phase radio changing from 1 to 10, titanium (Ⅳ) is completely stripped from the mental loaded organic phase of TOPO with 1 mol dm-3 hydrochloric acid. Thus titanium (Ⅳ) can be enriched to tenfold concentration by the stripping.

Selective Separation of Zinc and Iron from Spent Pickling Solutions by Membrane‐Based Solvent Extraction: Process Viability

2005 ◽  
Vol 39 (10) ◽  
pp. 2441-2455 ◽  
Author(s):  
Inmaculada Ortiz ◽  
Eugenio Bringas ◽  
M. Fresnedo San Román ◽  
A. Miren Urtiaga
Keyword(s):  
Solvent Extraction ◽  
Extraction Process ◽  
Selective Separation ◽  
Process Viability

scholarly journals Speciation of indium(iii) chloro complexes in the solvent extraction process from chloride aqueous solutions to ionic liquids

2017 ◽  
Vol 46 (13) ◽  
pp. 4412-4421 ◽  
Author(s):  
Clio Deferm ◽  
Bieke Onghena ◽  
Tom Vander Hoogerstraete ◽  
Dipanjan Banerjee ◽  
Jan Luyten ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Solvent Extraction ◽  
Liquid Phase ◽  
Aqueous Solutions ◽  
Extraction Process ◽  
Chloro Complexes ◽  
Mixed Complexes ◽  
Acidic Chloride

Indium(iii) exists as octahedral mixed complexes, [In(H2O)6−nCln]3−n (0 ≤ n ≤ 6), in acidic chloride media. After extraction, only the tetrahedral [InCl4]− complex is present in the ionic liquid phase.

scholarly journals Extraction of Cu(II), Fe(III), Zn(II), and Mn(II) from Aqueous Solutions with Ionic Liquid R4NCy

Metals ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 1585
Author(s):  
Jonathan Castillo ◽  
Norman Toro ◽  
Pía Hernández ◽  
Patricio Navarro ◽  
Cristian Vargas ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Solvent Extraction ◽  
Extraction Process ◽  
Metal Impurities ◽  
General Terms ◽  
Rich Solution ◽  
Pre Treatment ◽  
Stripping Efficiency ◽  
Copper Ores ◽  
Very High

The leaching of copper ores produces a rich solution with metal interferences. In this context, Fe(III), Zn(II), and Mn(II) are three metals contained in industrial copper-rich solutions in high quantities and eventually can be co-extracted with the copper. The purpose of the current study was to determine the feasibly of solvent extraction with the use of ionic liquid methyltrioctyl/decylammonium bis (2,4,4-trimethylpentyl)phosphinate (R4NCy) as an extractant of Cu(II) in the presence of Fe(III), Zn(II), and Mn(II). In general terms, the results showed a high single extraction efficiency of all the metals under study. In the case of Fe(III) and Zn(II), the extraction was close to 100%. On the contrary, the stripping efficiency was poor to Fe(III) and discrete to Zn(II), but very high to Cu(II) and Mn(II). Finally, the findings of this study suggest that the ionic liquid R4NCy is feasible for the pre-treatment of the copper solvent extraction process to remove metal impurities such as Fe(III) and Zn(II).

SELECTIVE SEPARATION OF URANYL ION FROM TRU'S IN A COMBINED SOLVENT EXTRACTION PROCESS USING TETRAHYDROFURAN-2,3,4,5-TETRACARBOXYLICACID

1996 ◽  
Vol 14 (1) ◽  
pp. 13-33 ◽  
Author(s):  
K. L. Nash* ◽  
E. P. Horwitz ◽  
H. Diamond ◽  
P. G. Rickert ◽  
J. V. Muntean ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
Extraction Process ◽  
Selective Separation ◽  
Uranyl Ion

scholarly journals Study on the Effect and Mechanism of Impurity Aluminum on the Solvent Extraction of Rare Earth Elements (Nd, Pr, La) by P204-P350 in Chloride Solution

Minerals ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 61
Author(s):  
Wenjie Zhang ◽  
Xian Xie ◽  
Xiong Tong ◽  
Yunpeng Du ◽  
Qiang Song ◽  
...  
Keyword(s):  
Rare Earth ◽  
Solvent Extraction ◽  
Rare Earth Elements ◽  
Organic Phase ◽  
Extraction Process ◽  
Industrial Applications ◽  
Separation And Purification ◽  
Aluminum Ion ◽  
Hydrochloric Acid Medium ◽  
Impurity Ion

Solvent extraction is the most widely used method for separation and purification of rare earth elements, and organic extractants such as di(2-ethylhexyl) phosphoric acid (P204) and di(1-methyl-heptyl) methyl phosphonate (P350) are most commonly used for industrial applications. However, the presence of impurity ions in the feed liquid during extraction can easily emulsify the extractant and affect the quality of rare earth products. Aluminum ion is the most common impurity ion in the feed liquid, and it is an important cause of emulsification of the extractant. In this study, the influence of aluminum ion was investigated on the extraction of light rare earth elements by the P204-P350 system in hydrochloric acid medium. The results show that Al3+ competes with light rare earths in the extraction process, reducing the overall extraction rate. In addition, the Al3+ stripping rate is low and there is continuous accumulation of Al3+ in the organic phase during the stripping process, affecting the extraction efficiency and even causing emulsification. The slope method and infrared detection were utilized to explore the formation of an extraction compound of Al3+ and the extractant P204-P350 that entered the organic phase as AlCl[(HA)2]2P350(o).

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