Anchoring of CoHFC nanoparticles on clinoptilolite for remedy of nuclear wastes
To improve the mechanical properties, the cobalt ferrocyanide precipitation was carried out on clinoptilolite as an inorganic polymer. In this work the combination of two important factors, stability (zeolite) and high adsorption capacity (cobalt ferrocyanide) were considered to improve the...
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| Format: | Article |
| Language: | English |
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VINCA Institute of Nuclear Sciences
2017-01-01
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| Series: | Nuclear Technology and Radiation Protection |
| Subjects: | |
| Online Access: | http://www.doiserbia.nb.rs/img/doi/1451-3994/2017/1451-39941701025Y.pdf |
| _version_ | 1818850562107506688 |
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| author | Yousefi Taher Mahmudian Hamid Reza Torab-Mostaedi Meisam Moosavian Mohammad Ali Davarkhah Reza |
| author_facet | Yousefi Taher Mahmudian Hamid Reza Torab-Mostaedi Meisam Moosavian Mohammad Ali Davarkhah Reza |
| author_sort | Yousefi Taher |
| collection | DOAJ |
| description | To improve the mechanical properties, the cobalt ferrocyanide precipitation
was carried out on clinoptilolite as an inorganic polymer. In this work the
combination of two important factors, stability (zeolite) and high
adsorption capacity (cobalt ferrocyanide) were considered to improve the
ions uptake ability of adsorbent. The modification was approved by X-ray
diffraction, Scanning electronic microscopy and Fourier transform infrared
spectroscopy. The modified zeolite was applied to remove Sr(II) and Cs(I)
ions from aqueous solution in a batch system. The adsorption capacities of
modified zeolite for Cs(I) and Sr(II) improved to 90 and 130 mgg-1,
respectively. The Sr(II) and Cs(I) removal were investigated as a function
of shaking time, pH, Sr(II), and Cs(I) initial concentration and
temperature. The experimental data were fitted well to Langmuir isotherm
model for two sorbet metal ions. The time dependence sorption data showed
that the uptakes of Cs(I) and Sr(II) were very rapid and apparent sorption
equilibriums were achieved within 100 min of contact time. The kinetic
experimental data were fitted to the pseudo-first order,
pseudo-second order, the double exponential, Elovich and intraparticle
diffusion models. The sorption rates and capacities as well as rate
constants were evaluated. |
| first_indexed | 2024-12-19T06:51:06Z |
| format | Article |
| id | doaj.art-f7ea93c734b4481e8309ff6dda24c134 |
| institution | Directory Open Access Journal |
| issn | 1451-3994 1452-8185 |
| language | English |
| last_indexed | 2024-12-19T06:51:06Z |
| publishDate | 2017-01-01 |
| publisher | VINCA Institute of Nuclear Sciences |
| record_format | Article |
| series | Nuclear Technology and Radiation Protection |
| spelling | doaj.art-f7ea93c734b4481e8309ff6dda24c1342022-12-21T20:31:43ZengVINCA Institute of Nuclear SciencesNuclear Technology and Radiation Protection1451-39941452-81852017-01-01321253610.2298/NTRP1701025Y1451-39941701025YAnchoring of CoHFC nanoparticles on clinoptilolite for remedy of nuclear wastesYousefi Taher0Mahmudian Hamid Reza1Torab-Mostaedi Meisam2Moosavian Mohammad Ali3Davarkhah Reza4Nuclear Fuel Cycle Research School, Nuclear Science & Technology Research Institute, Tehran, IranUniversity of Tehran, Faculty of Engineering, Department of Chemical Engineering, Tehran, IranNuclear Fuel Cycle Research School, Nuclear Science & Technology Research Institute, Tehran, IranUniversity of Tehran, Faculty of Engineering, Department of Chemical Engineering, Tehran, IranNuclear Fuel Cycle Research School, Nuclear Science & Technology Research Institute, Tehran, IranTo improve the mechanical properties, the cobalt ferrocyanide precipitation was carried out on clinoptilolite as an inorganic polymer. In this work the combination of two important factors, stability (zeolite) and high adsorption capacity (cobalt ferrocyanide) were considered to improve the ions uptake ability of adsorbent. The modification was approved by X-ray diffraction, Scanning electronic microscopy and Fourier transform infrared spectroscopy. The modified zeolite was applied to remove Sr(II) and Cs(I) ions from aqueous solution in a batch system. The adsorption capacities of modified zeolite for Cs(I) and Sr(II) improved to 90 and 130 mgg-1, respectively. The Sr(II) and Cs(I) removal were investigated as a function of shaking time, pH, Sr(II), and Cs(I) initial concentration and temperature. The experimental data were fitted well to Langmuir isotherm model for two sorbet metal ions. The time dependence sorption data showed that the uptakes of Cs(I) and Sr(II) were very rapid and apparent sorption equilibriums were achieved within 100 min of contact time. The kinetic experimental data were fitted to the pseudo-first order, pseudo-second order, the double exponential, Elovich and intraparticle diffusion models. The sorption rates and capacities as well as rate constants were evaluated.http://www.doiserbia.nb.rs/img/doi/1451-3994/2017/1451-39941701025Y.pdfnatural zeoliteclinoptiloliteCs(I)Sr(II)adsorptioncobalt ferrocyanidenanoparticle |
| spellingShingle | Yousefi Taher Mahmudian Hamid Reza Torab-Mostaedi Meisam Moosavian Mohammad Ali Davarkhah Reza Anchoring of CoHFC nanoparticles on clinoptilolite for remedy of nuclear wastes Nuclear Technology and Radiation Protection natural zeolite clinoptilolite Cs(I) Sr(II) adsorption cobalt ferrocyanide nanoparticle |
| title | Anchoring of CoHFC nanoparticles on clinoptilolite for remedy of nuclear wastes |
| title_full | Anchoring of CoHFC nanoparticles on clinoptilolite for remedy of nuclear wastes |
| title_fullStr | Anchoring of CoHFC nanoparticles on clinoptilolite for remedy of nuclear wastes |
| title_full_unstemmed | Anchoring of CoHFC nanoparticles on clinoptilolite for remedy of nuclear wastes |
| title_short | Anchoring of CoHFC nanoparticles on clinoptilolite for remedy of nuclear wastes |
| title_sort | anchoring of cohfc nanoparticles on clinoptilolite for remedy of nuclear wastes |
| topic | natural zeolite clinoptilolite Cs(I) Sr(II) adsorption cobalt ferrocyanide nanoparticle |
| url | http://www.doiserbia.nb.rs/img/doi/1451-3994/2017/1451-39941701025Y.pdf |
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