[HTML][HTML] Uranium in natural waters and the environment: Distribution, speciation and impact

PL Smedley, DG Kinniburgh - Applied Geochemistry, 2023 - Elsevier
The concentrations of U in natural waters are usually low, being typically less than 4 μg/L in
river water, around 3.3 μg/L in open seawater, and usually less than 5 μg/L in groundwater …

Recent advancement in nanomaterials for the detection and removal of uranium: a review

N Rani, P Singh, S Kumar, P Kumar, V Bhankar… - Environmental …, 2023 - Elsevier
Uranyl ions U (VI), are the common by-product of nuclear power plants and anthropogenic
activities like mining, excess utilization of fertilizers, oil industries, etc. Its intake into the body …

[HTML][HTML] Uranium mobility in organic matter-rich sediments: A review of geological and geochemical processes

SA Cumberland, G Douglas, K Grice, JW Moreau - Earth-Science Reviews, 2016 - Elsevier
Uranium (U) is of enormous global importance because of its use in energy generation,
albeit with potential environmental legacies. While naturally occurring U is widespread in the …

Macroscopic and microscopic investigation of U (VI) and Eu (III) adsorption on carbonaceous nanofibers

Y Sun, ZY Wu, X Wang, C Ding, W Cheng… - Environmental …, 2016 - ACS Publications
The adsorption mechanism of U (VI) and Eu (III) on carbonaceous nanofibers (CNFs) was
investigated using batch, IR, XPS, XANES, and EXAFS techniques. The pH-dependent …

Adsorption and desorption of U (VI) on functionalized graphene oxides: a combined experimental and theoretical study

Y Sun, S Yang, Y Chen, C Ding… - … science & technology, 2015 - ACS Publications
The adsorption and desorption of U (VI) on graphene oxides (GOs), carboxylated GOs
(HOOC-GOs), and reduced GOs (rGOs) were investigated by batch experiments, EXAFS …

HNO3 modified biochars for uranium (VI) removal from aqueous solution

J Jin, S Li, X Peng, W Liu, C Zhang, Y Yang, L Han… - Bioresource …, 2018 - Elsevier
The HNO 3 treatment was used to chemically modify the biochars produced from wheat
straw (WH) and cow manure for U (VI) removal from aqueous solution. Macroscopic …

Synthesis of novel flower-like layered double oxides/carbon dots nanocomposites for U (VI) and 241Am (III) efficient removal: batch and EXAFS studies

W Yao, X Wang, Y Liang, S Yu, P Gu, Y Sun… - Chemical Engineering …, 2018 - Elsevier
Herein, a practical and simple calcination method was used to synthesize layered double
oxides (denoted as LDO) and layered double oxides/carbon dots nanocomposites (denoted …

Geochemistry and risk assessment of street dust in Luanda, Angola: a tropical urban environment

L Ferreira-Baptista, E De Miguel - Atmospheric environment, 2005 - Elsevier
A total of 92 samples of street dust were collected in Luanda, Angola, were sieved below
100μm, and analysed by ICP-MS for 35 elements after an aqua-regia digestion. The …

Uranium (VI) adsorption on graphene oxide nanosheets from aqueous solutions

Z Li, F Chen, L Yuan, Y Liu, Y Zhao, Z Chai… - Chemical engineering …, 2012 - Elsevier
Single-layered graphene oxide (GO) prepared by the Hummers method was used to adsorb
U (VI) ions from aqueous solutions. The U (VI) sorption was studied as a function of solution …

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 …