The occurrence and geoscience of natural hydrogen: A comprehensive review

V Zgonnik - Earth-Science Reviews, 2020 - Elsevier
Using an interdisciplinary approach, this paper reviews current knowledge in the field of
natural hydrogen. For the first time, it combines perspectives on hydrogen from the literature …

Nuclear fuel in a reactor accident

PC Burns, RC Ewing, A Navrotsky - science, 2012 - science.org
Nuclear accidents that lead to melting of a reactor core create heterogeneous materials
containing hundreds of radionuclides, many with short half-lives. The long-lived fission …

Secondary metal ion-induced electrochemical reduction of U (VI) to U (IV) solids

X Liu, Y **e, M Hao, Y Li, Z Chen, H Yang… - Nature …, 2024 - nature.com
Recent studies have shown that aqueous U (VI) ions can be transformed into U (VI)
precipitates through electrocatalytic redox reactions for uranium recovery. However, there …

Highly efficient uranium extraction by a piezo catalytic reduction-oxidation process

Y Cai, Y Zhang, Z Lv, S Zhang, F Gao, M Fang… - Applied Catalysis B …, 2022 - Elsevier
In this work, a highly efficient uranium extraction method from water by the piezo catalytic
reduction-oxidation process is reported by utilizing a hollow cubic shaped Zn 2 SnO 4/SnO 2 …

A half-wave rectified alternating current electrochemical method for uranium extraction from seawater

C Liu, PC Hsu, J **e, J Zhao, T Wu, H Wang, W Liu… - Nature Energy, 2017 - nature.com
In total there is hundreds of times more uranium in sea water than on land, but extracting it
for use in nuclear power generation is challenging due to its low concentration (∼ 3 ppb) …

Powerful uranium extraction strategy with combined ligand complexation and photocatalytic reduction by postsynthetically modified photoactive metal-organic …

H Li, F Zhai, D Gui, X Wang, C Wu, D Zhang… - Applied Catalysis B …, 2019 - Elsevier
Uranium enrichment is perhaps the most critical chemical process throughout the nuclear
fuel cycle including uranium mining, uranium extraction from seawater, used fuel …

Unassisted uranyl photoreduction and separation in a donor–acceptor covalent organic framework

Y Song, A Li, P Li, L He, D Xu, F Wu, F Zhai… - Chemistry of …, 2022 - ACS Publications
The donor–acceptor covalent organic framework (COF) TTT–DTDA (TTT= thieno [3, 2-b]
thiophene-2, 5-dicarbaldehyde and DTDA= 4, 4′, 4 ″-(1, 3, 5-triazine-2, 4, 6-triyl) …

Environmental speciation of actinides

K Maher, JR Bargar, GE Brown Jr - Inorganic chemistry, 2013 - ACS Publications
Although minor in abundance in Earth's crust (U, 2–4 ppm; Th, 10–15 ppm) and in seawater
(U, 0.003 ppm; Th, 0.0007 ppm), light actinides (Th, Pa, U, Np, Pu, Am, and Cm) are …

Clusters of actinides with oxide, peroxide, or hydroxide bridges

J Qiu, PC Burns - Chemical Reviews, 2013 - ACS Publications
Metal oxide clusters, especially transition-metal polyoxometalates, have been studied for
decades because they provide a rare opportunity to study nanoscale materials with well …

U6+ MINERALS AND INORGANIC COMPOUNDS: INSIGHTS INTO AN EXPANDED STRUCTURAL HIERARCHY OF CRYSTAL STRUCTURES

PC Burns - The Canadian Mineralogist, 2005 - pubs.geoscienceworld.org
The crystal structures of uranyl minerals and inorganic uranyl compounds are important for
understanding the genesis of U deposits, the interaction of U mine and mill tailings with the …