Migration test column for decontamination of radioactive liquids by using natural tuff

Erol Kam*, Ahmet Erdal Osmanlioglu, Ahmet Bozkurt

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

This study aims to evaluate the feasibility of using natural tuff found in the middle Anatolian region of Turkey for the removal of radioactivity from liquid radioactive wastes. Block samples that were collected from four different tuff deposits were first crushed to obtain particles with various sizes. The samples were then treated with low-level liquid radioactive waste in laboratory conditions. The effect of particle size on the adsorption performance of the tuff samples was studied for four types of radionuclides (241Am, 134Cs, 137Cs, and 60Co). The removal rates of radioactivity by the tuff samples having five different aggregate sizes (diameters of 4, 2.8, 2, 1, and 0.7 mm) were determined by the decrease in radioactivity concentration of the passed liquid discharge. In addition, the specific retention, saturation, and adsorption rates of the samples were also investigated. For most of the radionuclides, up to 50% saturation level and 70% specific retention were observed while the optimum results were acquired for the samples with 2 mm particle size.

Original languageEnglish
Pages (from-to)6817-6821
Number of pages5
JournalDesalination and Water Treatment
Volume52
DOIs
Publication statusPublished - 30 Oct 2014
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2013 Balaban Desalination Publications. All rights reserved.

Keywords

  • Aqueous radioactive waste
  • Natural tuff
  • Radioactivity removal

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