Preparation and characterization of a high-efficiency radon adsorbing material based on activated carbon modified by water immersion and freeze–thaw

In this paper, activated carbon has been modified by water immersion and freeze–thaw cycles to further improve its radon adsorption capacity. Under freezing at − 80 °C and thawing at 50 °C, three cycles of modification were most effective, the radon adsorption coefficient was increased by 24%, and r...

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