Biosorption of Uranium by Baker’s Yeast in the Presence of Lead and Cadmium and Modeling of Equilibrium Data
Biosorption technology is one of the novel technologies used for removal and recovery of radioactive metals from aqueous solutions. Scheduled researches are required for this technique. In this research, biosorption of uranium, lead and cadmium by immobilized baker’s yeast on calcium alginate was in...
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| Format: | Article |
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Nuclear Science and Technology Research Institute
2012-08-01
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| Series: | مجله علوم و فنون هسته‌ای |
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| Online Access: | https://jonsat.nstri.ir/article_380_0b11abc4ec0e3e06ed4bb92bb9ef1c7c.pdf |
| _version_ | 1797835054740668416 |
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| author | A.R Keshtkar A Yaghoubi M Ghasemi Torkabad M.M Montazer Rahmati |
| author_facet | A.R Keshtkar A Yaghoubi M Ghasemi Torkabad M.M Montazer Rahmati |
| author_sort | A.R Keshtkar |
| collection | DOAJ |
| description | Biosorption technology is one of the novel technologies used for removal and recovery of radioactive metals from aqueous solutions. Scheduled researches are required for this technique. In this research, biosorption of uranium, lead and cadmium by immobilized baker’s yeast on calcium alginate was investigated. Equilibrium parameters in single systems and binary systems (uranium-lead and uranium-cadmium) were studied. The obtained results in single systems showed that the uranium uptake capacity is higher than that of lead and cadmium. Also, according to the observations in binary systems, the uranium uptake capacity was decreased by interferences of lead or cadmium ions. Nevertheless, uranium uptake capacity in these binary systems is high (more than 130 mg g-1 in uranium-lead and 200 mg g-1 in uranium-cadmium binary systems). The equilibrium isotherms were modeled by Langmuir, Freundlich and combination Langmuir-Freundlich models in single systems and the competitive Langmuir, modified extended Langmuir, extended Freundlich and combination Langmuir-Freundlich models in binary systems. According to the results, the Freundlich model in single systems and the extended Freundlich model in binary systems were found to be better than the others. |
| first_indexed | 2024-04-09T14:48:13Z |
| format | Article |
| id | doaj.art-cb32ee0dc9124f549def0fa7544b6c1d |
| institution | Directory Open Access Journal |
| issn | 1735-1871 2676-5861 |
| language | fas |
| last_indexed | 2024-04-09T14:48:13Z |
| publishDate | 2012-08-01 |
| publisher | Nuclear Science and Technology Research Institute |
| record_format | Article |
| series | مجله علوم و فنون هسته‌ای |
| spelling | doaj.art-cb32ee0dc9124f549def0fa7544b6c1d2023-05-02T10:41:46ZfasNuclear Science and Technology Research Instituteمجله علوم و فنون هسته‌ای1735-18712676-58612012-08-01332114380Biosorption of Uranium by Baker’s Yeast in the Presence of Lead and Cadmium and Modeling of Equilibrium DataA.R Keshtkar0A Yaghoubi1M Ghasemi Torkabad2M.M Montazer Rahmati3پژوهشکده چرخه سوخت هسته‌ای، پژوهشگاه علوم و فنون هسته‌ای، سازمان انرژی اتمی ایران، صندوق پستی: 1339-14155، تهران ـ ایراندانشکده مهندسی شیمی، پردیس دانشکده‌های فنی، دانشگاه تهران، صندوق پستی: 4563-11365، تهران ـ ایرانپژوهشگاه علوم و فنون هسته‌ای، سازمان انرژی اتمی ایران، صندوق پستی: 1339-14155، تهران ـ ایراندانشکده مهندسی شیمی، پردیس دانشکده‌های فنی، دانشگاه تهران، صندوق پستی: 4563-11365، تهران ـ ایرانBiosorption technology is one of the novel technologies used for removal and recovery of radioactive metals from aqueous solutions. Scheduled researches are required for this technique. In this research, biosorption of uranium, lead and cadmium by immobilized baker’s yeast on calcium alginate was investigated. Equilibrium parameters in single systems and binary systems (uranium-lead and uranium-cadmium) were studied. The obtained results in single systems showed that the uranium uptake capacity is higher than that of lead and cadmium. Also, according to the observations in binary systems, the uranium uptake capacity was decreased by interferences of lead or cadmium ions. Nevertheless, uranium uptake capacity in these binary systems is high (more than 130 mg g-1 in uranium-lead and 200 mg g-1 in uranium-cadmium binary systems). The equilibrium isotherms were modeled by Langmuir, Freundlich and combination Langmuir-Freundlich models in single systems and the competitive Langmuir, modified extended Langmuir, extended Freundlich and combination Langmuir-Freundlich models in binary systems. According to the results, the Freundlich model in single systems and the extended Freundlich model in binary systems were found to be better than the others.https://jonsat.nstri.ir/article_380_0b11abc4ec0e3e06ed4bb92bb9ef1c7c.pdfbiosorptionbaker’s yeastcalcium alginateuraniumleadcadmiumdicomponent equilibrium models1 |
| spellingShingle | A.R Keshtkar A Yaghoubi M Ghasemi Torkabad M.M Montazer Rahmati Biosorption of Uranium by Baker’s Yeast in the Presence of Lead and Cadmium and Modeling of Equilibrium Data مجله علوم و فنون هسته‌ای biosorption baker’s yeast calcium alginate uranium lead cadmium dicomponent equilibrium models1 |
| title | Biosorption of Uranium by Baker’s Yeast in the Presence of Lead and Cadmium and Modeling of Equilibrium Data |
| title_full | Biosorption of Uranium by Baker’s Yeast in the Presence of Lead and Cadmium and Modeling of Equilibrium Data |
| title_fullStr | Biosorption of Uranium by Baker’s Yeast in the Presence of Lead and Cadmium and Modeling of Equilibrium Data |
| title_full_unstemmed | Biosorption of Uranium by Baker’s Yeast in the Presence of Lead and Cadmium and Modeling of Equilibrium Data |
| title_short | Biosorption of Uranium by Baker’s Yeast in the Presence of Lead and Cadmium and Modeling of Equilibrium Data |
| title_sort | biosorption of uranium by baker s yeast in the presence of lead and cadmium and modeling of equilibrium data |
| topic | biosorption baker’s yeast calcium alginate uranium lead cadmium dicomponent equilibrium models1 |
| url | https://jonsat.nstri.ir/article_380_0b11abc4ec0e3e06ed4bb92bb9ef1c7c.pdf |
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