Related Experiment Video
Updated: Oct 9, 2025

A Dual-Functional Electroactive Filter Towards Simultaneously SbIII Oxidation and Sequestration
Published on: December 5, 2019
Sorbent extraction behavior of cesium and strontium from nitric acid solutions using a new high thermal stability
Mostafa M Hamed1, N M Sami1, Refaat F Aglan1
1Hot Laboratories and Waste Management Center, Egyptian Atomic Energy Authority, PO.13759, Cairo, Egypt.
Abstract:
In this study a new low-cost carbonaceous material was prepared from husks of opuntia-ficus-indica as a starting material (precursor) which was accomplished by chemical activation route using H3PO4 impregnation. The material has been identified by different analytical tools. The sorption performance of Cs(I) and Sr(II) from HNO3 solutions was examined through batch system. Variations of the distribution coefficients (Kd) as a function of HNO3 concentration in the range 0.001-5.0 M were presented. Some of separation probabilities were suggested. The results attained signals that the Sr(II) selectivity is higher than that of Cs(I) at high molarities. The retention capacity (qe) of Cs(I) and Sr(II) ions increased with growing temperature. The capacities at 0.001 M HNO3 are 34 and 108 mg/g for Cs(I) and Sr(II), respectively. Whereas, at 2.0 M HNO3 capacities were about 4 and 37 mg/g for each of Cs(I) and Sr (II), respectively. This studies demonstrates that the prepared carbonaceous sorbent is an economically effective sorbent for retention of Cs(I) and Sr(II) species from HNO3 solutions. Cs(I) and Sr(II) removal potential was tested from simulated low- and intermediate-level radioactive waste samples.
More Related Videos
Related Concept Videos
Qualitative Analysis
For instance, group IV...
Ionic Strength: Effects on Chemical Equilibria
In this solution, the primary...
Sample Preparation for Analysis: Advanced Techniques
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
Ion Exchange
Extraction: Advanced Methods
Precipitation of Ions
The equation that describes the equilibrium between solid calcium carbonate and its solvated ions is:

