2011
DOI: 10.5155/eurjchem.2.1.83-93.191
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Simultaneous removal of chromotrope 2B and radionuclides from mixed radioactive process wastewater using organo-bentonite

Abstract: KEYWORDSThe simultaneous removal of cationic radionuclides, 137 Cs(I), 60 Co(II) and 152+154 Eu(III), and a chemically toxic anionic pollutant, the analytical reagent chromotrope 2B (C2B), from simulated mixed radioactive process wastewater (MRPWW) has been investigated using bentonite modified with cetyltrimethylammonium bromide. Modification was confirmed by elemental analysis, X-ray diffraction and infrared spectroscopy. Bentonite partially modified to 78% of the cation exchange capacity (PMB) was found cap… Show more

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Cited by 15 publications
(11 citation statements)
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References 40 publications
(47 reference statements)
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“…Thedispersion optical density of graphene exfoliation in NMP (N-methylpyrrolidone) was also reported to scale as t 1 = 2 by Coleman and co-workers. [35,52] An integral reaction-diffusion model for exfoliation of layered materials does not appear to be available,but intra-particle mass uptake of water and other sorbents has been found to exhibit linear uptake versus t 1 = 2 behavior for avariety of materials [53][54][55][56] and is assigned to adsorption-diffusion.…”
mentioning
confidence: 99%
“…Thedispersion optical density of graphene exfoliation in NMP (N-methylpyrrolidone) was also reported to scale as t 1 = 2 by Coleman and co-workers. [35,52] An integral reaction-diffusion model for exfoliation of layered materials does not appear to be available,but intra-particle mass uptake of water and other sorbents has been found to exhibit linear uptake versus t 1 = 2 behavior for avariety of materials [53][54][55][56] and is assigned to adsorption-diffusion.…”
mentioning
confidence: 99%
“…[51] Theo verall adsorbed polymer chains may be viewed as osmotic brushes that mitigate against indifferent salt-induced coagulation. [35,52] An integral reaction-diffusion model for exfoliation of layered materials does not appear to be available,but intra-particle mass uptake of water and other sorbents has been found to exhibit linear uptake versus t 1 = 2 behavior for avariety of materials [53][54][55][56] and is assigned to adsorption-diffusion. Thedispersion optical density of graphene exfoliation in NMP (N-methylpyrrolidone) was also reported to scale as t 1 = 2 by Coleman and co-workers.…”
mentioning
confidence: 99%
“…Yan ve diğerleri (2007) Shakir ve diğerleri (2011) çalışmalarında setiltrimetl amonyum katyonları ile modifiye edilen bentonitleri kullanarak 137Cs(I), 60Co(II) and 152+154Eu(III) katyonik radyonüklitlerinin ve kimyasal olarak zehirli olan kromotrop-2B anyonunun radyoaktif atık sularından uzaklaştırılmasını araştırmışlardır [47]. Modifikasyon elementel analiz, XRD ve FT-IR spektroskopisi yöntemleriyle tespit edilmiştir.…”
Section: çEşitli Kirliliklerin Giderimiunclassified
“…Ayrıca çalışmada denge izotermleri incelenmiş kinetik ve termodiamik parametreler belirlenmiştir.Çalışma sonuçları kromotrop-2B anyonunun fiziksel sorpsiyonla, radyonüklidlerin de iyon değişimi ile organobentonite soğrulduğu tespit edilmiştir. Çalışmada, deney koşullarına bağlı olarak organobentonitlerin kromotrop-2B anyonunu % 100 oranında ve radyonüklidleri de > % 99 oranında uzaklaştırabildiği gösterilmiştir [47].…”
Section: çEşitli Kirliliklerin Giderimiunclassified
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