Recent progress in separation of technetium-99 from spent nuclear fuel and radioactive waste. Challenges and prospects

YA Ustynyuk, NI Zhokhova, ZA Sizova… - Coordination Chemistry …, 2024 - Elsevier
The development of methods for the selective binding and separation of pertechnetate anion
from aqueous solutions formed during the reprocessing of spent nuclear fuel remains an …

Cationic covalent organic nanosheets for rapid and selective capture of perrhenate: an analogue of radioactive pertechnetate from aqueous solution

HJ Da, CX Yang, XP Yan - Environmental science & technology, 2019 - ACS Publications
Capture of radioactive TcO4–from nuclear wastes is extremely desirable for waste disposal
and environmental restoration. Here, we report the synthesis of hydrolytically stable cationic …

Superiority of the Supramolecular Halogen Bond Receptor over Its H-Bond Analogue toward the Efficient Extraction of Perrhenate from Water

R Ghosh, TK Ghosh, S Pramanik… - … Applied Materials & …, 2022 - ACS Publications
A halogen bond-based water-soluble tetrapodal iodoimidazolium receptor,(LI)(4Br),
exhibited a high degree of efficiency (∼ 96%) in extracting ReO4–from 100% aqueous …

Halogen microregulation in metal-organic frameworks for enhanced adsorption performance of ReO4-/TcO4

QH Hu, YG Wang, X Gao, YZ Shi, S Lin… - Journal of Hazardous …, 2023 - Elsevier
Effective and selective removal of 99 TcO 4-, one of the most nuisance radionuclides in
nuclear waste, is highly desirable but remains a significant challenge. Herein, two …

Optimizing Strategy for Enhancing the Stability and 99TcO4 Sequestration of Poly(ionic liquids)@MOFs Composites

CP Li, HR Li, JY Ai, J Chen, M Du - ACS Central Science, 2020 - ACS Publications
Metal–organic frameworks (MOFs) are a class of promising sorbents for effective
sequestration of radioactive 99TcO4–anions. However, their poor stability and slow sorption …

Anion-adaptive crystalline cationic material for 99TcO4 trap**

L Mei, F Li, J Lan, C Wang, C Xu, H Deng, Q Wu… - Nature …, 2019 - nature.com
Efficient anion recognition is of great significance for radioactive 99TcO4− decontamination,
but it remains a challenge for traditional sorbents. Herein, we put forward a tactic using soft …

Chiroptical sensing of perrhenate in aqueous media by a chiral organic cage

R Mobili, G Preda, S La Cognata, L Toma… - Chemical …, 2022 - pubs.rsc.org
A chiral cage is proposed as an effective chiroptical sensor for perrhenate (surrogate for
99TcO4−) in water, fruit juice and artificial urine media. The key mechanism for the …

Aminomethylpyridine isomers functionalized cellulose microspheres for TcO4-/ReO4-uptake: Structure-properties relationship and their application in different aquatic …

Z Dong, J Liu, D Wen, M Zhai, L Zhao - Journal of Hazardous Materials, 2022 - Elsevier
Abstract Technetium-99 (99 Tc) is a long-lived radioactive nuclide that poses great threat to
environment, hence selective removal of 99 Tc from aquatic system is always an issue …

Cosublimation: a rapid route toward otherwise inaccessible halogen-bonded architectures

PMJ Szell, SA Gabriel, E Caron-Poulin… - Crystal Growth & …, 2018 - ACS Publications
Several synthetic techniques are available for the preparation of halogen-bonded adducts,
including traditional solvent-evaporation methods and mechanochemistry. With the intention …

Recent progress and advances of adsorption for Re recovery from solution

B Zhao, Y Wang, H Zhang, L Deng, G Li… - Journal of Industrial and …, 2024 - Elsevier
Rhenium (Re) has a critical role in the field of aerospace and defense. However, due to its
scarcity, it is typically found associate with other metals such as Mo, Cu, Pb in natural ores …