Recovery of rare earth elements from acid mine drainage by ion exchange

Felipe, Elaine Cristina Batista; Batista, Kelvin A.; Ladeira, Ana Cláudia Queiroz

doi:10.1080/09593330.2020.1713219

Cited by 62 publications

(31 citation statements)

References 23 publications

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“…Consequently, sorption (Buenaño et al, 2017;Laus et al, 2007;Trublet et al, 2019;Zhang, 2011) and IX processes (Felipe et al, 2020;Karan et al, 2019), as well as membrane technology, are potential management options for the recovery and purification of valuable metals (López et al 2018;López et al, 2019bLópez et al, , 2020, acids (López et al, 2019b;Nleya et al, 2016) and water reuse (Agboola, 2019;García et al, 2014;Timofeev et al, 2019). Adsorption processes provide flexibility in design and simple operation, and usually produce high-quality treated effluent; for that, it is recognized nowadays as an effective and economic method.…”

Section: Introductionmentioning

confidence: 99%

“…Regarding IX processes, several studies have proposed this technique for the recovery of uranium (Karan et al, 2019;Ladeira and Gonçalves, 2007;Nascimento et al, 2004), sulphate (Guimarães and Leão, 2014), transition metals (Feng et al, 2000;Monteagudo and Ortiz, 2000) and REE (Felipe et al, 2020) from AMW. This process presents several advantages, such as high treatment capacity, high recovery efficiency and fast kinetics (Fu and Wang, 2011).…”

Section: Introductionmentioning

confidence: 99%

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Valorisation options for Zn and Cu recovery from metal influenced acid mine waters through selective precipitation and ion-exchange processes: promotion of on-site/off-site management options

Vecino

Reig

López

et al. 2021

Journal of Environmental Management

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Valorisation options for Zn and Cu recovery from metal influenced acid mine waters through selective precipitation and ion-exchange processes: promotion of on-site/off-site management options

Vecino

Reig

López

et al. 2021

Journal of Environmental Management

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“…Felipe et al used cationic resins to recover REE from AMD using ion exchange. However, the resin used favored low value lanthanum and LREE over valuable HREE [37]. Many sorbants have been evaluated to specifically recover REEs from AMD and sorption literature has been recently discussed by both Wei et al [38] and by Royer-Lavallee et al [39].…”

Section: Introductionmentioning

confidence: 99%

A Fundamental Economic Assessment of Recovering Rare Earth Elements and Critical Minerals from Acid Mine Drainage Using a Network Sourcing Strategy

et al. 2021

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In recent years, acid mine drainage (AMD) has emerged as a promising unconventional source of rare earth elements (REEs) and other critical minerals (CMs) such as cobalt and manganese. In this regard, AMD provides a natural heap leaching effect that extracts and concentrates REE/CM from the host strata creating a partially enriched feedstock suitable for downstream extraction, separation, and recovery. While several prior studies have described processes and approaches for the valorization of AMD, very few have described the supply chain and infrastructure requirements as well as the associated economic assessment. To that end, this paper provides a fundamental economic assessment of REE/CM recovery from AMD using a network sourcing strategy in addition to a robust, flexible feedstock separations and refining facility. The methodology of this paper follows that of a typical techno-economic analysis with capital and operating costs estimated using AACE Class IV (FEL-2) guidelines. To demonstrate the range of possible outcomes, four pricing scenarios were modeled including contemporary prices (September, 2021) as well as the minimum and maximum prices over the last decade. In addition, five production scenarios were considered reflecting variations in the product suite, ranging from full elemental separation to magnet REE and CM production only (i.e., Pr, Nd, Tb, Dy, Y, Sc, Co, and Mn). The results of this analysis show that, with the exception of the minimum price scenario, all operational configurations have positive economic indicators with rates of return varying from 25% to 32% for the contemporary price scenario. The optimal configuration was determined to be production of Co, Mn, and all REEs except for mischmetal, which is not recovered. Sensitivity analysis and Monte Carlo simulation show that capital cost and HCl consumption are the two major factors influencing rate of return, thus indicating opportunities for future technology development and cost optimization. Implications of the study and a cooperative profit-sharing model for sourcing are also described.

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“…Ion exchange and adsorption resin is a type of functional polymer material with network structure. It is widely used in light industry [1,2], food [3,4], medicine [5,6], environmental protection [7,8], and hydrometallurgy [9][10][11]. Chelating resin, as a special ion exchange resin having chelating functional groups, has the advantage of high selection during adsorption process and easy regeneration during desorption process [10].…”

Section: Introductionmentioning

confidence: 99%

Adsorption Properties for La(III), Ce(III), and Y(III) with Poly(6-acryloylamino-hexyl hydroxamic acid) Resin

et al. 2020

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Using polyacrylic resin followed by the substitution reaction with 6-aminohexyl hydroxamic acid, poly(6-acryloylamino-hexyl hydroxamic acid) resin (PAMHA) was successfully synthesized. PAMHA, a spherical resin with the particle size of 0.4 mm, is a novel polyamide hydroxamic acid chelating resin containing acylamino and hydroxamic acid functional groups. A series of influences (pH, contact time, temperature, and the initial concentrations of rare earth ions) were investigated to determine the adsorption properties. The adsorption capacity for La(III), Ce(III), and Y(III) ions were 1.030, 0.962, and 1.450 mmol·g−1, respectively. Thermodynamic and kinetic studies were also carried out to show that the uptake of rare earth ions onto PAMHA fitted well the pseudo-second-order model and Langmuir isotherm, and the adsorption process was spontaneous endothermic. In addition, desorption of rare earth ions was achieved by using 2 mol·L−1 HNO3 and desorption efficiencies for La(III), Ce(III), and Y(III) ions were 98.4, 99.1, and 98.8%, respectively. Properties of PAMHA resin were characterized by scanning electron microscope (SEM), Fourier transform infrared spectrometry (FTIR), and X-ray photoelectron spectrometer (XPS). The results showed that there was coordination between the rare earth ions with PAMHA and rare metal ions were chemically adsorbed on the surface of the PAMHA.

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Recovery of rare earth elements from acid mine drainage by ion exchange

Cited by 62 publications

References 23 publications

Valorisation options for Zn and Cu recovery from metal influenced acid mine waters through selective precipitation and ion-exchange processes: promotion of on-site/off-site management options

Valorisation options for Zn and Cu recovery from metal influenced acid mine waters through selective precipitation and ion-exchange processes: promotion of on-site/off-site management options

A Fundamental Economic Assessment of Recovering Rare Earth Elements and Critical Minerals from Acid Mine Drainage Using a Network Sourcing Strategy

Adsorption Properties for La(III), Ce(III), and Y(III) with Poly(6-acryloylamino-hexyl hydroxamic acid) Resin

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