[HTML][HTML] The biogeochemistry and bioremediation of uranium and other priority radionuclides

L Newsome, K Morris, JR Lloyd - Chemical Geology, 2014‏ - Elsevier
Microbial metabolism has the potential to alter the solubility of a broad range of priority
radionuclides, including uranium, other actinides and fission products. Of notable interest …

[PDF][PDF] The biogeochemistry of technetium: a review of the behavior of an artificial element in the natural environment

JP Icenhower, NP Qafoku, JM Zachara… - American Journal of …, 2010‏ - ajsonline.org
Interest in the chemistry of technetium has only increased since its discovery in 1937, mainly
because of the large and growing inventory of^ 99^ Tc generated during fission of^ 235^ U …

Pertechnetate (TcO4−) reduction by reactive ferrous iron forms in naturally anoxic, redox transition zone sediments from the Hanford Site, USA

TS Peretyazhko, JM Zachara, RK Kukkadapu… - … et Cosmochimica Acta, 2012‏ - Elsevier
Technetium is an important environmental contaminant introduced by the processing and
disposal of irradiated nuclear fuel and atmospheric nuclear tests. Under oxic conditions …

Reduction and long-term immobilization of technetium by Fe (II) associated with clay mineral nontronite

DP Jaisi, H Dong, AE Plymale, JK Fredrickson… - Chemical …, 2009‏ - Elsevier
99Tc is formed mostly during nuclear reactions and is released into the environment during
weapons testing and inadvertent waste disposal. The long half-life, high environmental …

Incorporation and retention of 99-Tc (IV) in magnetite under high pH conditions

TA Marshall, K Morris, GTW Law… - … science & technology, 2014‏ - ACS Publications
Technetium incorporation into magnetite and its behavior during subsequent oxidation has
been investigated at high pH to determine the technetium retention mechanism (s) on …

Design of functionalization and structural analysis of organically-modified siliceous oxides with periodic structures for the development of sorbents for hazardous …

H Yoshitake - journal of Materials Chemistry, 2010‏ - pubs.rsc.org
In this review the preparation and adsorption phenomena specific to functionalized
mesoporous silicas are discussed for designing the optimum structures of adsorbents for the …

Redox interactions of technetium with iron-bearing minerals

JM McBeth, JR Lloyd, GTW Law, FR Livens… - Mineralogical …, 2011‏ - cambridge.org
Iron minerals influence the environmental redox behaviour and mobility of metals including
the long-lived radionuclide technetium. Technetium is highly mobile in its oxidized form …

Immobilization of perrhenate using synthetic pyrite particles: Effectiveness and remobilization potential

T Wang, T Qian, D Zhao, X Liu, Q Ding - Science of the Total Environment, 2020‏ - Elsevier
Abstract Radioactive pertechnetate (TcO4−) has been detected in nuclear waste affected
soil and groundwater, posing significant effect on human health and the environment. Yet …

Plutonium desorption from mineral surfaces at environmental concentrations of hydrogen peroxide

JD Begg, M Zavarin, AB Kersting - Environmental science & …, 2014‏ - ACS Publications
Knowledge of Pu adsorption and desorption behavior on mineral surfaces is crucial for
understanding its environmental mobility. Here we demonstrate that environmental …

Interactions of Tc (IV) with humic substances

MA Boggs, T Minton, W Dong… - … science & technology, 2011‏ - ACS Publications
To understand the key processes affecting 99Tc mobility in the subsurface and help with the
remediation of contaminated sites, the binding constants of several humic substances …