2022
DOI: 10.1016/j.cherd.2022.02.001
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NaY zeolite-polyethersulfone-modified membranes for the removal of cesium-137 from liquid radioactive waste

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Cited by 49 publications
(20 citation statements)
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“…This variation in the porosity and surface pores size distribution can be attributed to the increase in viscosity and hydrophilicity of the casting solution by the addition of nanozeolites. The presence of hydrophilic nanozeolites in the casting solution enables instantaneous de-mixing during phase inversion [ 54 ]. Consequently, diffusion of water into the polymer matrix is enhanced, thereby improving the porosity and pore size of the supports.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…This variation in the porosity and surface pores size distribution can be attributed to the increase in viscosity and hydrophilicity of the casting solution by the addition of nanozeolites. The presence of hydrophilic nanozeolites in the casting solution enables instantaneous de-mixing during phase inversion [ 54 ]. Consequently, diffusion of water into the polymer matrix is enhanced, thereby improving the porosity and pore size of the supports.…”
Section: Resultsmentioning
confidence: 99%
“…Particularly, FAU zeolites with a high Si/Al ratio used in this study are characterized by a relatively higher affinity toward water [ 40 ]. In addition, it is worth mentioning that a higher rate of diffusion is expected in the case of nanofillers due to their smaller size [ 54 , 56 ]. Accordingly, these nanozeolites at the surface contribute to a lower contact angle.…”
Section: Resultsmentioning
confidence: 99%
“…This method can achieve great efficiency in eliminating radioactive ions. Abbas et al [13] created a unique NaY zeolite nanoparticlemodified Polyethersulfone (PES) membrane to remove 137 Cs from actual nuclear liquid waste. On seedless static aging, the zeolite was produced using the hydrothermal technique.…”
Section: Figure 1: Nuclear Wastes Managementsmentioning
confidence: 99%
“…More importantly, the adsorption sites at the surfaces of nanomaterials can be easily functionalized by creating different functional groups for the targeted removal of radionuclides [48,49]. From recent literature, most of the inorganic nanomaterials used to improve polymeric membranes have been metals and metal oxides, for example, titanium dioxide, zinc oxide, silica dioxide, alumina, iron, and zirconia, with some exceptions in some other materials such as NaAzeolite, NaY-zeolite, magnesium hydroxide, calcium carbonate, hydrated manganese dioxide, multi-wall carbon nanotube, carbon nanotubes, and graphene oxide [13,64,65,66,67,68,69]. The use of nanoparticles in the manufacturing process of polymeric membranes has received much attention during the last decades, particularly as a new step in flux enhancement and fouling reduction.…”
Section: Nanomaterials Incorporated Polymeric Membranesmentioning
confidence: 99%
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