13-18 May 2018
Casino Conference Centre
Europe/Prague timezone

A magnetic nanocomposite based on natural hydrocolloids for efficient removal of liquid radioactive waste

18 May 2018, 11:15
15m
Red Hall (Casino Conference Centre)

Red Hall

Casino Conference Centre

Reitenbergerova 4/95, Mariánské Lázně, Czech Republic
Verbal Separation Methods, Speciation SEP 5

Speaker

Miroslav Cernik (Technical University of Liberec)

Description

Efficient remediation of liquid radioactive waste, produced as in research and medicine, is crucial for increasing safety during the necessary storage of this material. A novel bio-magnetic nano-composite sorbent based on a natural product (Karaya gum) and magnetite nanoparticles was tested for the efficient removal of radioactive phosphorus 32P from liquid radioactive waste. This non-toxic nano-composite is well-suited to be used as a nano-hydrogel for storage of radioisotopes on a smaller space and without the risk of spills inherent to the initial liquid material. The maximum adsorption capacity of the nanocomposite synthesized in this study was found to be over 15 GBq/g. We present a thorough morphological characterization of the novel synthesized bio-magnetic nano-composite, as well as discuss the possible phosphorus adsorption mechanisms.

Primary authors

Miroslav Cernik (Technical University of Liberec) Dr Vinod Vellora Thekkae Padil (Technical University of Liberec)

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