Carbonate treated coffee powder (CTCP) for selective sorption of Pu4+ over Am3+, Np4+, NpO22+, and PuO22+ from aqueous acidic solution: Investigation on mechanism, kinetics, thermodynamics, stripping and radiolytic stability

Patil, Prashant; Sarathbabu, M.; Pathak, Sachin; Sengupta, Arijit

doi:10.1016/j.apradiso.2023.110695

Applied Radiation and Isotopes

2023

DOI: 10.1016/j.apradiso.2023.110695

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Carbonate treated coffee powder (CTCP) for selective sorption of Pu4+ over Am3+, Np4+, NpO22+, and PuO22+ from aqueous acidic solution: Investigation on mechanism, kinetics, thermodynamics, stripping and radiolytic stability

Prashant Patil

M. Sarathbabu

Sachin Pathak

et al.

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2024

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Efficient sequestration of plutonium from aqueous medium using nitrogen doped graphene nano walls

Chaitanya,

Manojkumar,

Tripurasundari

et al. 2024

J Radioanal Nucl Chem

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Nitrogen doped graphene nanowall(s) deposited on carbon paper is employed in sequestration of trace-level plutonium from aqueous solution using batch adsorption technique. Surface and structural characteristics of the sorbent are studied using SEM and Raman spectroscopy, respectively. Radiometric α-counting of the supernatant solution showed > 90% sorption at pH > 7. Visual Minteq modelling revealed that Pu(OH)4 species is responsible for high sorption. Freundlich model evolved as the best fit, implying multilayer deposition on a heterogeneous surface as the mechanism of sorption. The combination of 10 M HNO3 and EDTA resulted in 75% desorption. The results are promising for the sequestration of trace-level plutonium.

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Efficient sequestration of plutonium from aqueous medium using nitrogen doped graphene nano walls

Chaitanya,

Manojkumar,

Tripurasundari

et al. 2024

J Radioanal Nucl Chem

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Synthesis and study of the sorption potential of hydrotalcite modified biochars (LDH@BC) with respect to cerium(III) ions

Bąk,

Kołodyńska

2024

Chemical Engineering Journal

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Carbonate treated coffee powder (CTCP) for selective sorption of Pu4+ over Am3+, Np4+, NpO22+, and PuO22+ from aqueous acidic solution: Investigation on mechanism, kinetics, thermodynamics, stripping and radiolytic stability

Cited by 2 publications

References 47 publications

Efficient sequestration of plutonium from aqueous medium using nitrogen doped graphene nano walls

Efficient sequestration of plutonium from aqueous medium using nitrogen doped graphene nano walls

Synthesis and study of the sorption potential of hydrotalcite modified biochars (LDH@BC) with respect to cerium(III) ions

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