Radioactive waste treatments by using zeolites. A short review

M Jiménez-Reyes, PT Almazán-Sánchez… - Journal of environmental …, 2021 - Elsevier
Radionuclides in the environment is an important issue, many techniques have been
developed for the removal of radionuclides from the environment. One of those techniques is …

Sorption and reduction of hexavalent uranium by natural and modified silicate minerals: A review

G Yang - Environmental Chemistry Letters, 2023 - Springer
In the context of rising anthropogenic activities and world conflicts, there is an urgent need
for energy supply, such as nuclear power from uranium minerals. Nonetheless, uranium is …

Adsorption performance of talc for uranium removal from aqueous solution

M Sprynskyy, T Kowalkowski, H Tutu… - Chemical Engineering …, 2011 - Elsevier
Adsorption of uranyl ions onto talc from aqueous solutions was investigated in batch
adsorption experiments. The study has been conducted to investigate the effects of the pH of …

Molecular dynamics simulation of uranyl (VI) adsorption equilibria onto an external montmorillonite surface

JA Greathouse, RT Cygan - Physical Chemistry Chemical Physics, 2005 - pubs.rsc.org
We used molecular dynamics simulations to study the adsorption of aqueous uranyl species
(UO22+) onto clay mineral surfaces in the presence of sodium counterions and carbonato …

HEU-type zeolites modified by transition elements and lead

A Godelitsas, T Armbruster - Microporous and Mesoporous Materials, 2003 - Elsevier
Research on pure samples of HEU-type zeolites modified by d-and f-block transition
elements and Pb is reviewed. The interest on such modified HEU-type zeolites mainly arises …

Electrosorption of uranium on carbon fibers as a means of environmental remediation

Y Xu, JW Zondlo, HO Finklea, A Brennsteiner - Fuel Processing Technology, 2000 - Elsevier
Uranium-containing aqueous wastes have been treated by electrosorption on a carbon
electrode composed of vapor-grown fibers in a continuous flow-through cell. Effective …

A modified zeolite (Na2SO4@ zeolite NaA) as a novel adsorbent for radium-226,228 from acidic radioactive wastewater: Synthesis, characterization and testing

TK Abbas, ZH Ibrahim, K Mustafa, RA Al-Juboori… - Journal of …, 2024 - Elsevier
The radiological contamination with radium in oil and gas production is challenging
environmental and health concerns. This study investigated the synthesis of zeolite NaA …

The chemical behavior of natural zeolites in aqueous environments: Interactions between low-silica zeolites and 1 M NaCl solutions of different initial pH-values

A Filippidis, A Godelitsas, D Charistos, P Misaelides… - Applied Clay …, 1996 - Elsevier
A natural zeolitic material composed of microscale intergrowths of the low-silica zeolites
natrolite and thomsonite (NAT/THO) was found to be more reactive in distilled water …

A critical review of the removal of radionuclides from wastewater employing activated carbon as an adsorbent

A Chakraborty, A Pal, BB Saha - Materials, 2022 - mdpi.com
Radionuclide-contaminated water is carcinogenic and poses numerous severe health risks
and environmental dangers. The activated carbon (AC)-based adsorption technique has …

Extra-framework cation release from heulandite-type rich tuffs on exchange with NH4+

N Kantiranis, K Sikalidis, A Godelitsas… - Journal of environmental …, 2011 - Elsevier
The outgoing cations of Greek heulandite-rich tuff samples (heulandite type-III, 91wt.%, mica
4wt.%, feldspar 5wt.%, CEC 2.22 meq/g) were analysed upon exchange with ammonium …