Treatment of radioactive liquid waste containing caesium by indigenously available synthetic zeolites: A comparative study

Sinha, Pradeep K.; Panicker, Philip K.; Amalraj, R.V.; Krishnasamy, V.

doi:10.1016/0956-053x(95)00014-q

Cited by 71 publications

(37 citation statements)

References 9 publications

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“…A variety of cesium adsorbents including synthetic inorganic materials such as zeolites [8], silicotitanates [9], and chalcogenides [10] have been considered due to their radiation stability and high thermal stability. However, their low Cs + selectivity limits their application in large-scale clean-ups.…”

Section: Introductionmentioning

confidence: 99%

Nanostructured potassium copper hexacyanoferrate-cellulose hydrogel for selective and rapid cesium adsorption

Kim

et al. 2017

Chemical Engineering Journal

116

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Section: Introductionmentioning

confidence: 99%

Nanostructured potassium copper hexacyanoferrate-cellulose hydrogel for selective and rapid cesium adsorption

Kim

et al. 2017

Chemical Engineering Journal

116

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“…Zeolites [7,8], crystalline silicotitanates [9,10], chalcogenides [11][12][13], and clay minerals [14,15], are common inorganic ion exchangers, however, their low selectivity for Cs over other competitive elements such as Na, K, Mg, Co, Ni or actinides, inhibits their practical application for large scale processes [5].…”

Section: Introductionmentioning

confidence: 99%

Solvent-assisted synthesis of potassium copper hexacyanoferrate embedded 3D-interconnected porous hydrogel for highly selective and rapid cesium ion removal

Kim

et al. 2017

Journal of Environmental Chemical Engineering

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Poly(vinyl alcohol) hydrogel. 2The KCuHCF embedded PVA-Citric acid hydrogel adsorbent was synthesized through a facile twostep method for the selective and rapid Cs + removal. 3 Highlights The HPC was synthesized by a noble solvent-assisted method. The HPC showed superior Cs + removal capacity of 667 mg/g KCuHCF. The HPC retained remarkable Cs + removal efficiency of 99.5 % in 30 min. In a wide pH range from 2 to 10, the HPC displayed stable Cs + removal effi ciency. Moreover, the adsorbent revealed stable and high Cs + removal efficiency of 99.9 % across a wide pH range from 2 to 10. The kinetics of Cs + removal was remarkably rapid with 99.5% removal achieved within 30 min from a dilute Cs + solution (9.18 ppm). When using seawater, the HPC exhibited almost unaltered Cs + removal efficiency above 99.5 %, and high distribution coefficient K d value of 7.7 10 5 mL/g at an extremely low Cs + concentration (0.67 ppm, V/m = 1000 ml/g), whichhighlighted the tremendous affinity for Cs + .5

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“…The bands at 1100 cm -1 , 1050 cm -1 and 800 cm -1 are attributed to the group of vibrations ν a (C-C)+ ν (M-O)+P-C stretching [25]- [28].…”

Section: A Characterization Of the Impregnated Supportmentioning

confidence: 99%

Studies Regarding the Florisil Impregnation with Ionic Liquid through Ultrasonication

Negrea¹,

Lupa²,

Ciopec³

et al. 2014

IJCEA

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Abstract-The paper presents the studies regarding the impregnation of Florisil with Cyphos IL-101 using a new method of impregnation instead of the classic methods: the ultrasonication. In order to determine the efficiency of the ultrasonication methods of impregnation, the work conditions were varied, and the obtained supported ionic liquids were characterized through scanning electron microscopy (SEM), energy dispersive XRay analysis (EDX) and FTIR-Fourier transform infrared spectroscopy. From the experimental data was observed that only the amplitude of ultrasonication had a significant influence onto the impregnation process efficiency. The impregnated material obtained in the optimum conditions showed good adsorption performance in the removal process of Cs + developing a maximum adsorption capacity of 2.95 mg/g.

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Treatment of radioactive liquid waste containing caesium by indigenously available synthetic zeolites: A comparative study

Cited by 71 publications

References 9 publications

Nanostructured potassium copper hexacyanoferrate-cellulose hydrogel for selective and rapid cesium adsorption

Nanostructured potassium copper hexacyanoferrate-cellulose hydrogel for selective and rapid cesium adsorption

Solvent-assisted synthesis of potassium copper hexacyanoferrate embedded 3D-interconnected porous hydrogel for highly selective and rapid cesium ion removal

Studies Regarding the Florisil Impregnation with Ionic Liquid through Ultrasonication

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