Uranium(VI) recovery from acidic leach liquor using manganese oxide coated zeolite (MOCZ) modified with amine

Yousef, L. A.; Bakry, Ahmed; Alahabadi, Ahmad

doi:10.1007/s10967-020-07042-7

Cited by 9 publications

(3 citation statements)

References 72 publications

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“…Its doping on solid support will improve its ability to separate metal ions; for example, under column testing, manganese dioxide coated zeolite was employed to remove uranium (VI), copper (II), and lead (II) [36,37]. Table 1 summaries published results on the adsorption of various cations by manganese dioxide coated onto various sorbents [38][39][40][41][42][43][44][45][46][47].…”

Section: Introductionmentioning

confidence: 99%

Removal of Uranium from Effluent Acidic Solution Using Manganese Oxide Coated Modified Talc (MOCMT)

Nagar,

Mahmoud,

Yousef

et al. 2023

austinchemeng

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In this study, the unique manganese dioxide coated modified talc (MOCMT) adsorbent was easily synthetic. (MOCMT) was evaluated as an adsorbent for the removal of U (VI) from effluent (=10 ppm) solution. To fit the adsorption results, the Langmuir and Freundlich isotherm models were applied, as well as the kinetic parameters of the adsorption process, which were measured and fitted. Five adsorption/desorption cycles with 0.3 M H2SO4 as an eluent were performed to test the reusability. The MOCMT was used to extract uranium from effluent solution produced after a four-cycle leaching/adsorption during the uranium milling process in the Gattar project.

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Section: Introductionmentioning

confidence: 99%

Removal of Uranium from Effluent Acidic Solution Using Manganese Oxide Coated Modified Talc (MOCMT)

Nagar,

Mahmoud,

Yousef

et al. 2023

austinchemeng

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“…contact time, 0.1 g of modified MOCZ/TOA at room temperature. [27] The objective of the study is to investigate the leaching of uranium from dolostone ore, southwestern Sinai using carbonate/bicarbonate in presence of an oxidant. The relevant factors of alkali leaching of uranium have been studied involving effect of different alkali reagents, mixture carbonate/ bicarbonate, agitation time, solid/liquid ratio, temperature and different oxidants.…”

Section: Introductionmentioning

confidence: 99%

“…The maximum uranium adsorption capacity 99 mg/g at optimum conditions pH 4, 20 min. contact time, 0.1 g of modified MOCZ/TOA at room temperature [27] …”

Section: Introductionmentioning

confidence: 99%

Selective separation of uranium using modified Dowex 1X8 /TOA from carbonate leaching of Dolostone ore, Allouga area, Sinai

Bakry

Zaki

Gamil

et al. 2021

Zeitschrift anorg allge chemie

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Leaching of uranium from a technological sample (680 mg/Kg U) in SW Sinai of Um Bogma Formation is carried out using a mix of sodium carbonte/sodium bicarbonate in presence of an oxidant (MnO 2 or H 2 O 2 ). The relevant factors e.g. (grain size = À 200 mesh, alkali concentration = 100 g/l (3 : 1) mixed Na 2 CO 3 / NaHCO 3 , time = 2 h, solid/liquid ratio = 1/3, T = 50°C and H 2 O 2 = 60 ml) of alkaline leaching of uranium have been optimized. This is followed by uranium recovery using an anion exchange resin, modified Dowex 1X8/TOA. Therefore, highly 92 % pure product of uranium has been obtained as sodium di-urinate Na 2 U 2 O 7 .

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Aggrandizement of uranium (VI) removal performance of Lentinus concinnus biomass by attachment of 2,5-diaminobenzenesulfonic acid ligand

Çelikbıçak

Bayramoğlu

Acıkgoz-Erkaya

et al. 2021

J Radioanal Nucl Chem

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Uranium(VI) recovery from acidic leach liquor using manganese oxide coated zeolite (MOCZ) modified with amine

Cited by 9 publications

References 72 publications

Removal of Uranium from Effluent Acidic Solution Using Manganese Oxide Coated Modified Talc (MOCMT)

Removal of Uranium from Effluent Acidic Solution Using Manganese Oxide Coated Modified Talc (MOCMT)

Selective separation of uranium using modified Dowex 1X8 /TOA from carbonate leaching of Dolostone ore, Allouga area, Sinai

Aggrandizement of uranium (VI) removal performance of Lentinus concinnus biomass by attachment of 2,5-diaminobenzenesulfonic acid ligand

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