Role of structure and organic contaminants on Cs Sorption by clays

Sirvi, Rahul; Parab, Harshala; Singh, Nistha; Sengupta, Pranesh; Kumar, Sangita D.; Ramanjaneyulu, P.S.; Bhui, Uttam K.

doi:10.1016/j.pnucene.2024.105161

Progress in Nuclear Energy

2024

DOI: 10.1016/j.pnucene.2024.105161

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Role of structure and organic contaminants on Cs Sorption by clays

Rahul Sirvi,

Harshala Parab,

Nistha Singh

et al.

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Cited by 5 publications

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Natural hydrous sulphate minerals from Martian analogue area for sequestration of metal ions of nuclear significance

Parab,

Sirvi,

Chheda

et al. 2024

J Radioanal Nucl Chem

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Naturally occurring hydrous sulphate minerals bearing rock, sampled from a Martian analogue area, Kachchh, India was investigated for sequestration of metal ions of nuclear significance in view of waste management applications. Structural analyses revealed the presence of alunite group minerals (such as hydronium jarosite, alunite, natroalunite) along with a phyllosilicate mineral—kaolinite in the sample. Sorption performance assessment in batch mode for cesium (Cs) demonstrated the influence of initial sorbate concentration and solution pH on the uptake of metal ions. Equilibrium sorption data upon correlation with the theoretical isotherms showed better agreement with Langmuir model with a monalayer sorption capacity of 26.4 mg g−1 for Cs. Maximum uptake of metal ions in acidic pH is a signature of involvement of structural ions in the sorption process. EDXRF analysis demonstrated the loading of sorbate ions on the surface of sorbent after sorption. The studies highlight that the cation retention potential of naturally available hydrous sulphate minerals bearing rock could be instrumental for possible application of the material as barrier matrix to immobilize metal ions of nuclear importance in acidic conditions.

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Natural hydrous sulphate minerals from Martian analogue area for sequestration of metal ions of nuclear significance

Parab,

Sirvi,

Chheda

et al. 2024

J Radioanal Nucl Chem

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show abstract

Plant transfer factors of naturally occurring radioactive decay series radionuclides, 7Be, and 137Cs in a semi-arid climate

Expósito-Suárez,

Suárez-Navarro,

Fernández

et al. 2025

Applied Radiation and Isotopes

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Efficient removal of asphaltene and organic dyes using hybrid magnetic Nanomaterials: Adsorption selectivity and comparative study

Elhadj-Daouadji,

Zaoui,

Zorgani

et al. 2025

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Role of structure and organic contaminants on Cs Sorption by clays

Cited by 5 publications

References 61 publications

Natural hydrous sulphate minerals from Martian analogue area for sequestration of metal ions of nuclear significance

Natural hydrous sulphate minerals from Martian analogue area for sequestration of metal ions of nuclear significance

Plant transfer factors of naturally occurring radioactive decay series radionuclides, 7Be, and 137Cs in a semi-arid climate

Efficient removal of asphaltene and organic dyes using hybrid magnetic Nanomaterials: Adsorption selectivity and comparative study

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