A Novel Functionalized Ionic Liquid for Highly Selective Extraction of TcO.

Due to the highly acidic and high-salinity nature of the high-level radioactive waste liquid (HLLW), selective extraction of TcO from HLLW remains to be a challenging task. Traditional anion exchangers show low selectivity and unsatisfactory extraction performance due to the lack of functional groups that can interact strongly with TcO. In this work, a tailor-made binding site was constructed by decorating two acetamide functional groups on imidazolium cation to fabricate a new Tc separation material, which exhibits high selectivity.

Highly Efficient Uptake of TcO by Imidazolium-Functionalized Wood Sawdust.

Tc is a radioactive fission product, mainly in the form of TcO , with good solubility and mobility in the environment. The development of effective and inexpensive materials to remove TcO from nuclear industry wastewater or contaminated water is significant. Wood sawdust is a byproduct of the wood processing industry and is an abundant, low-cost, and sustainable material.