Investigationof Concentration Method of Scandium-Containing Solutions

Shokobayev, N.M.; Adelbayev, None I.Y.; Abilmagzhanov, A.Z.; Nurtazina, A. E.

doi:10.32014/2019.2518-1491.68

Cited by 2 publications

(2 citation statements)

References 11 publications

(11 reference statements)

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“…In [4,5], kinetics and equilibrium of Sc extraction was studied with hypercrosslinked polystyrene impregnates contained di-(2-ethylhexyl) phosphoric acid (D2EHPA), ethylhexyl phosphoric acid and different-radical phosphine oxide (POR) from acidic media. In [6][7][8][9][10], TVEX contained commercial solvent extractants were used to recover scandium from in-situ leaching solutions: Lewatit TBP (trubutyl phosphate), Lewatit VP OC 1026 (D2EHPA), Lewatit TP 272 (Cyanex 272), Lewatit TP 923 (Cyanex 923), Axion (Cyanex 272, Cyanex 572, P 507, D2EHPA and its synergetic mixctures with TBP and trioctyl phosphine oxide) and TVEX (D2EHPA, POR). Authors of [11] used TBP, D2EHPA, 18-crown-6, dibenzo-18-crown-and its mixtures with Fundamental and applied investigations we performed earlier have shown [3,12] that organophosphorus extractants supported on porous polymer carrier were the most promising materials for scandium selective recovery from ores and industrial waste.…”

Section: Introductionmentioning

confidence: 99%

Dynamic and mass-exchange parameters of scandium recovery by TVEX-TBP in column mode from the solution after salt chlorinator cake leaching

Korovin

Pohorielov

Shestak

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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The paper deals with scandium extraction with Levextrel-type resin named TVEX contained tributyl phosphate (TVEX-TBP) in the column mode from the clarified solution formed after leaching salt chlorinator cake formed at Zaporozhye Titanium & Magnesium Combine Ltd. It was found that TVEX-TBP featured high extraction parameters. Total dynamic exchange capacity was defined. Mass-exchange parameters were calculated for scandium extraction in the column mode taking into account the impact of external diffusion kinetics: time to form the equation concentration front, front parallel transfer time, concentration and kinetic recovery factors, kinetic factor of external diffusion, linear speeds of the solution in the column and the equilibrium concentration front motion. The calculated mass-exchange parameters may be used to design the column cascade for scandium extraction from the clarified leaching solution of the salt chlorination cake in column mode. There are the following advantages of scandium extraction with TVEX-TBF in the column mode in comparison with its recovery in a reactor cascade: simpler hardware design and process control, the possibility to better wash TVEX from impurities, getting a strippant higher Sc concentration, reduced TVEX abrasion.

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Section: Introductionmentioning

confidence: 99%

Dynamic and mass-exchange parameters of scandium recovery by TVEX-TBP in column mode from the solution after salt chlorinator cake leaching

Korovin

Pohorielov

Shestak

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…Currently the most well-known companies distributing this technology are MPR Services, Inc (USA) with HSSX® technology (Ion Exchange Heat Stable Salt Removal Process) and Eco-Tec, Inc (Canada) with AmiPur™ technology. Works in this direction are being carried out at the present time [18][19][20], although the industries for metals mining remain traditional for resins application [21].…”

mentioning

confidence: 99%

Comparative Evaluation of Diethanolamine Solution Purification Technologies From Heat-Stable Salts and Bonded Amine

Abilmagzhanov¹,

Adelbayev²,

Nurtazina³

2020

OF THE ACADEMY OF SCIENCES OF THE REPUBLIC OF KAZAKHSTAN JSC

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Investigationof Concentration Method of Scandium-Containing Solutions

Cited by 2 publications

References 11 publications

Dynamic and mass-exchange parameters of scandium recovery by TVEX-TBP in column mode from the solution after salt chlorinator cake leaching

Dynamic and mass-exchange parameters of scandium recovery by TVEX-TBP in column mode from the solution after salt chlorinator cake leaching

Comparative Evaluation of Diethanolamine Solution Purification Technologies From Heat-Stable Salts and Bonded Amine

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