A comparative study on extraction of Fe(III) from chloride leach liquor using TBP, Cyanex 921 and Cyanex 923

Mishra, Rajesh; Rout, P.C.; Sarangi, K.; Nathsarma, K.C.

doi:10.1016/j.hydromet.2010.07.003

Cited by 91 publications

(32 citation statements)

References 7 publications

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“…The solvent extraction process for the recovery of Fe using a TBP mixture has been well described elsewhere [6]. TBP is a neutral extractant, making the control of pH of the aqueous phase before extraction unnecessary; thus, the Fe-TBP complex is easily separated under a neutral or weakly acidic stripping solution.…”

Section: -1 Solvent Extraction Of Fe From Iron-ore Leachatementioning

confidence: 99%

“…3a). Excessive HCl was required in part because of the stoichiometry of the extraction reaction [6]:…”

Section: -1 Solvent Extraction Of Fe From Iron-ore Leachatementioning

confidence: 99%

“…Nanoparticles have been produced using iron-ore tailings and pure commercial reagents such as FeCl 2 ·4H 2 O and FeSO 4 ·7H 2 O [3,4]. Low-grade tailings have also been purified up to 99.9% Fe by solvent extraction [5,6]. Solvent extraction is a well-established process of liquid-liquid extraction that relies on the distribution of different components between two immiscible phases.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Production of High-purity Magnetite Nanoparticles from a Low-grade Iron Ore via Solvent Extraction

Suh¹,

May²,

Kil³

et al. 2015

Korean Chemical Engineering Research

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− We produced magnetite nanoparticles (MNPs) and a Mg-rich solution as a nano-adsorbent and a coagulant for water treatment, respectively, using a low-grade iron ore. The ore was leached with aqueous hydrochloric acid and its impurities were removed by solvent extraction of the leachate using tri-n-butyl phosphate as an extractant. The content of Si and Mg, which inhibit the formation of MNPs, was reduced from 10.3 wt% and 15.5 wt% to 28.1 mg/L and < 1.4 mg/L, respectively. Consequently, the Fe content increased from 68.6 wt% to 99.8 wt%. The high-purity Fe 3+ solution recovered was used to prepare 5-15-nm MNPs by coprecipitation. The wastewater produced contained a large amount of Mg 2+ and can be used to precipitate struvite in sewage treatment. This process helps reduce the cost of both sewage and iron-orewastewater treatments, as well as in the economic production of the nano-adsorbent.

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Section: -1 Solvent Extraction Of Fe From Iron-ore Leachatementioning

confidence: 99%

“…3a). Excessive HCl was required in part because of the stoichiometry of the extraction reaction [6]:…”

Section: -1 Solvent Extraction Of Fe From Iron-ore Leachatementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Production of High-purity Magnetite Nanoparticles from a Low-grade Iron Ore via Solvent Extraction

Suh¹,

May²,

Kil³

et al. 2015

Korean Chemical Engineering Research

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show abstract

“…The investigation on the solvent extraction of iron (III) mainly focused on separation of iron from blue dust, iron scrap, waste chloride pickle liquors from steel plants and ilmenite leach liquors. A survey of the literature showed that a large number of reagents had been used for the extraction of iron (III), such as organophosphorus acid derivatives [1][2][3][4][5][6][7] , amines [8][9][10][11] , neutral extractants [12][13][14][15] , carboxylic acid etc. Among them, organophosphorus acid extractants and amines are the leading extractants for iron (III) in acid solutions.…”

Section: Introductionmentioning

confidence: 99%

Solvent extraction of iron (III) from chloride acid solutions by decanol

Mao¹

2015

Proceedings of the 3rd International Conference on Material, Mechanical and Manufacturing Engineering

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The solvent extraction of iron (III) from acidic chloride solutions by decanol in kerosene has been investigated. The solvent extraction results demonstrated that the dissolved iron was present as HFeCl 4 .2Decanol. Extraction of iron (III) increased with increased hydrochloric acid concentration in the aqueous phase. On the other hand, titanium (IV ) aluminum (III), calcium (II) and magnesium (II) were not extracted under these experimental conditions. IR spectral study of the extracted complex was further used to clarify the nature of the extracted complex. The extracted complex was easy to strip. Using 0, 0.5 and 1 mol.dm -3 HCl as the stripping agents the stripping rate of iron (III) was above 90%.

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“…Commercially available organophosphorous extractants can be employed to remove iron in some hydrometallurgical processes. Among neutral extractants, tributylphosphate (TBP) 1 and methyl iso-butyl ketone (MIBK) 2 have been used extensively for the extraction of iron(III) from hydrochloric acid solutions. Organophosphorus acid derivatives such as di-2-ethylhexylphosphoric acid (DEHPA) 3 -5 or amines 6,7 have also been used.…”

Section: Introductionmentioning

confidence: 99%

Equilibrium and rate of iron(III) extraction from chloride solutions by individual hydrophobic extractants and their mixtures

Staszak

Cierpiszewski

Prochaska

2011

Polish Journal of Chemical Technology

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The main goal of this work was to study and compare the rate of iron(III) extraction from chloride solutions by commercial extractants: Alamine 336, TOPO and LIX 54 and their mixtures. Using the interfacial tension data, obtained for mixed systems, the values of surface mole fraction and molecular interaction parameter of extractants were estimated. Determination of the extraction rates was performed by using the Lewis-type stirred transfer cell. It was found that the extraction efficiency of extractants are changed in the following order: Alamine 336>TOPO>β-diketone. The addition of a chelating extractant to the system decreases the extraction efficiency, for example the addition of β-diketone to TOPO decreases the extraction efficiency by about 50%.

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A comparative study on extraction of Fe(III) from chloride leach liquor using TBP, Cyanex 921 and Cyanex 923

Cited by 91 publications

References 7 publications

Production of High-purity Magnetite Nanoparticles from a Low-grade Iron Ore via Solvent Extraction

Production of High-purity Magnetite Nanoparticles from a Low-grade Iron Ore via Solvent Extraction

Solvent extraction of iron (III) from chloride acid solutions by decanol

Equilibrium and rate of iron(III) extraction from chloride solutions by individual hydrophobic extractants and their mixtures

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