Recovery of rare earth elements (Lu, Y) by adsorption using functionalized SBA-15 and MIL-101 (Cr)

Ryu, Seongchul; Fonseka, Charith; Naidu, Gayathri; Loganathan, P.; Moon, Hee; Kandasamy, Jaya; Vigneswaran, S.

doi:10.1016/j.chemosphere.2021.130869

Cited by 36 publications

(16 citation statements)

References 54 publications

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“…Five critically important REEs (Dy, Eu, Nd, Tb and Y) account for up to ~ 63% of the total weight of all REEs in the final 99.4%-purity product, and yttrium has been widely used in the fields such as catalysts in wide array of industries, sensors, fiber optics and flatten screen display due to its eminent physicochemical properties 3 , 4 . Consequently, huge amount of yttrium containing wastewater produced along with the mining, industrial processing and purfication is prone to be gradually accumulated in the ecosystem, and finally be transferred and enriched in humans and animals bodies via the food chain 3 , 5 . Recently, some studies have shown that long-term exposure of human to yttrium can cause human lung embolisms, lung cancer and impedance liver function 6 – 8 .…”

Section: Introductionmentioning

confidence: 99%

Removal of yttrium from rare-earth wastewater by Serratia marcescens: biosorption optimization and mechanisms studies

Liang

Shen

2022

Sci Rep

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The discharge of yttrium containing wastewater is a potential risk to human health. Although biosorption is a promising method to remove yttrium from wastewater, whereas the application of it is limited due to the lack of efficient biosorbents. In this study, the removal of yttrium from wastewater using Serratia marcescens as a biosorbent was conducted. The effects of six parameters including pH (2–5.5), initial yttrium concentration (10–110 mg/L), biosorbent dosage (0.1–0.5 g/L), biosorption time (10–700 min), stirring speed (50–300 rpm) and temperature (20–60 °C) were evaluated. The main parameters were optimized using response surface methodology. The results showed that the adsorption capacity reached 123.65 mg/g at the optimized conditions. The biosorption mechanism was revealed based on a combined analysis using field emission transmission electron microscope-energy dispersion spectrum, Fourier transform infrared spectrophotometer, and X-ray photoelectron spectroscopy. These results revealed that the hydroxyl, carboxyl, and amino groups were the adsorption functional groups for yttrium ions. Biosorption of yttrium by S. marcescens is under the combination of ion exchange, electrostatic attraction and complexation. These findings indicated that S. marcescens can be used as an efficient biosorbent to remove yttrium from wastewater. In addition, its adsorption capacity can be further improved by the enhancement of adsorption functional groups on the surface through chemical modification.

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Section: Introductionmentioning

confidence: 99%

Removal of yttrium from rare-earth wastewater by Serratia marcescens: biosorption optimization and mechanisms studies

Liang

Shen

2022

Sci Rep

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“…In a comparison of the adsorption capacity for Y and Eu with other sorbents in the ref. 47-50, the synthesized DGA-M1N@PVDF composite membrane displayed good adsorption capacity for Y and Eu in the acid leaching simulation solution with a trace of waste phosphor. Thus, it can be concluded that DGA-M1N@PVDF is a favorable sorbent for REEs.…”

Section: Parameters Of Pseudo-rst-ordermentioning

confidence: 95%

Postsynthetic of MIL-101-NH₂ MOFs supported on PVDF membrane for REEs recovery from waste phosphor

Qin

Han

et al. 2022

RSC Adv.

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“…It has been suggested that microfiltration bodies as supporting elements, with the addition of various chemical reactions in combination with organophosphate liquids, can efficiently overcome the problem of microfiltration carrier leakage. Recently, some experts have also conducted corresponding research, and the research results show that the method is more efficient than previous methods [ 12 , 13 , 14 , 15 ]. Our research group has studied this field for many years, and based on previous techniques of dispersive supported fluid membrane reactor and hollow fiber membrane reactor [ 15 ], an MF-OP system with organic phosphoric acid in gasoline as the flow carrier is proposed [ 16 , 17 ].…”

Section: Introductionmentioning

confidence: 99%

Application Effect of MF-OP on Collection of Trivalent Holmium from Rare Earth Mining Wastewater

Liang

Sun

2023

IJERPH

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Microtube microfilter with organic phosphoric acid (expressed as MF-OP) containing a wastewater portion with buffer fluid and an enriched portion with nitric acid fluid and organic phosphoric extractant dissolved in benzin has been studied for its trivalent holmium (expressed as Ho(III) collection from rare earth wastewater. Common parameters affecting the collection effect have been investigated, including hydrogen ion molar concentration (molar concentration can be expressed as Cm) or pH value, initial concentration (expressed as Co) of Ho(III), ion-force of rare earth wastewater, voluminal proportion of organic phosphoric extractant with benzin and nitric acid fluid (expressed as Vr), nitric acid Cm, extractant Cm, and type of acid fluid in an enriched portion. The virtues of MF-OP compared to the traditional collection was explored. The impacts of hydrodynamic characteristics (steadiness and current speed) and MF parameter factors (inradius of tube, tube–shell thickness, proportion of holes) on the collection performance of MF-OP for Ho(III) collection were also considered. The test results displayed that the greatest collection conditions of Ho(III) were attained as nitric acid Cm was 4.00 mol/L, extractant Cm was 0.220 mol/L, and Vr was 0.8 in the enriched portion, and pH value was 4.60 in the wastewater portion. Ion- force of rare earth wastewater had no noticeable outcome on Ho(III) collection. The collection proportion of Ho(III) was attainable to 93.1% in 280 min, while Co was 1.80 × 10−3 mol/L.

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Recovery of rare earth elements (Lu, Y) by adsorption using functionalized SBA-15 and MIL-101 (Cr)

Cited by 36 publications

References 54 publications

Removal of yttrium from rare-earth wastewater by Serratia marcescens: biosorption optimization and mechanisms studies

Removal of yttrium from rare-earth wastewater by Serratia marcescens: biosorption optimization and mechanisms studies

Postsynthetic of MIL-101-NH₂ MOFs supported on PVDF membrane for REEs recovery from waste phosphor

Application Effect of MF-OP on Collection of Trivalent Holmium from Rare Earth Mining Wastewater

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Recovery of rare earth elements (Lu, Y) by adsorption using functionalized SBA-15 and MIL-101 (Cr)

Cited by 36 publications

References 54 publications

Removal of yttrium from rare-earth wastewater by Serratia marcescens: biosorption optimization and mechanisms studies

Removal of yttrium from rare-earth wastewater by Serratia marcescens: biosorption optimization and mechanisms studies

Postsynthetic of MIL-101-NH2 MOFs supported on PVDF membrane for REEs recovery from waste phosphor

Application Effect of MF-OP on Collection of Trivalent Holmium from Rare Earth Mining Wastewater

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Postsynthetic of MIL-101-NH₂ MOFs supported on PVDF membrane for REEs recovery from waste phosphor