Synthesis and Application of Amin-modified Fe3O4@MCM-41 Core-shell Magnetic Mesoporous for Effective Removal of pb2+ ions from Aqueous Solutions and Optimization with Response Surface Methodology
<span class="CharOverride-24">In this study, a selective, fast and novel magnetic mesoporous silica sorbent Fe</span><span class="CharOverride-25">3</span><span class="CharOverride-24">O</span><span class="CharOverride-25"...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Iranian Environmental Mutagen Society
2018-07-01
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| Series: | Journal of Water and Environmental Nanotechnology |
| Subjects: | |
| Online Access: | http://www.jwent.net/article_32101_3a9272c29a7bc6a5f3a74b940653fd3b.pdf |
| _version_ | 1811268225417084928 |
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| author | Kamal Alizadeh Esmail Khaledyan Yagoub Mansourpanah |
| author_facet | Kamal Alizadeh Esmail Khaledyan Yagoub Mansourpanah |
| author_sort | Kamal Alizadeh |
| collection | DOAJ |
| description | <span class="CharOverride-24">In this study, a selective, fast and novel magnetic mesoporous silica sorbent Fe</span><span class="CharOverride-25">3</span><span class="CharOverride-24">O</span><span class="CharOverride-25">4</span><span class="CharOverride-24">@MCM-41-NH</span><span class="CharOverride-25">2</span><span class="CharOverride-24">,</span><span class="CharOverride-25"> </span><span class="CharOverride-24">was synthesized, functionalized and has been used for the removal of Pb</span><span class="CharOverride-26">+2</span><span class="CharOverride-24"> ions from aqueous solution. The characteristics of the Fe</span><span class="CharOverride-25">3</span><span class="CharOverride-24">O</span><span class="CharOverride-25">4</span><span class="CharOverride-24">@MCM-41-NH</span><span class="CharOverride-25">2</span><span class="CharOverride-24"> sorbent was investigated by XRD, VSM, SEM, TEM, BET, and FT-IR. The response surface methodology (RSM) based on central composite design (CCD) was utilized for estimating the effects of parameters, namely contact time (min), pH, the quantity of adsorbent (g) and initial concentration of Pb</span><span class="CharOverride-26">+2</span><span class="CharOverride-24">. The quadratic model was used as the best model for guessing variables. The results of the analysis of variance for this model were obtained with a high F-value (50.28), very low P-value (<0.0001) and non-significant lack of fit (0.2251). The maximum adsorption capacity was obtained at 46.08 mg/L. Fitting equilibrium data with different isotherm models shows that Freundlich isotherm was the best-fitted model. The pseudo-second-order model was the best model for fitting experimental data.</span>
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| first_indexed | 2024-04-12T21:17:59Z |
| format | Article |
| id | doaj.art-48226c2d079743fd8223e78a007eea51 |
| institution | Directory Open Access Journal |
| issn | 2476-7204 2476-6615 |
| language | English |
| last_indexed | 2024-04-12T21:17:59Z |
| publishDate | 2018-07-01 |
| publisher | Iranian Environmental Mutagen Society |
| record_format | Article |
| series | Journal of Water and Environmental Nanotechnology |
| spelling | doaj.art-48226c2d079743fd8223e78a007eea512022-12-22T03:16:23ZengIranian Environmental Mutagen SocietyJournal of Water and Environmental Nanotechnology2476-72042476-66152018-07-013324325310.22090/jwent.2018.03.00532101Synthesis and Application of Amin-modified Fe3O4@MCM-41 Core-shell Magnetic Mesoporous for Effective Removal of pb2+ ions from Aqueous Solutions and Optimization with Response Surface MethodologyKamal Alizadeh0Esmail Khaledyan1Yagoub Mansourpanah2Department of Chemistry, Lorestan University, Khorramabad, IranDepartment of Chemistry, Lorestan University, Khorramabad, IranDepartment of Chemistry, Lorestan University, Khorramabad, Iran<span class="CharOverride-24">In this study, a selective, fast and novel magnetic mesoporous silica sorbent Fe</span><span class="CharOverride-25">3</span><span class="CharOverride-24">O</span><span class="CharOverride-25">4</span><span class="CharOverride-24">@MCM-41-NH</span><span class="CharOverride-25">2</span><span class="CharOverride-24">,</span><span class="CharOverride-25"> </span><span class="CharOverride-24">was synthesized, functionalized and has been used for the removal of Pb</span><span class="CharOverride-26">+2</span><span class="CharOverride-24"> ions from aqueous solution. The characteristics of the Fe</span><span class="CharOverride-25">3</span><span class="CharOverride-24">O</span><span class="CharOverride-25">4</span><span class="CharOverride-24">@MCM-41-NH</span><span class="CharOverride-25">2</span><span class="CharOverride-24"> sorbent was investigated by XRD, VSM, SEM, TEM, BET, and FT-IR. The response surface methodology (RSM) based on central composite design (CCD) was utilized for estimating the effects of parameters, namely contact time (min), pH, the quantity of adsorbent (g) and initial concentration of Pb</span><span class="CharOverride-26">+2</span><span class="CharOverride-24">. The quadratic model was used as the best model for guessing variables. The results of the analysis of variance for this model were obtained with a high F-value (50.28), very low P-value (<0.0001) and non-significant lack of fit (0.2251). The maximum adsorption capacity was obtained at 46.08 mg/L. Fitting equilibrium data with different isotherm models shows that Freundlich isotherm was the best-fitted model. The pseudo-second-order model was the best model for fitting experimental data.</span> <span class="CharOverride-24"> </span>http://www.jwent.net/article_32101_3a9272c29a7bc6a5f3a74b940653fd3b.pdfadsorptioncentral composite designmagnetic mesoporous silica sorbentpb+2removal |
| spellingShingle | Kamal Alizadeh Esmail Khaledyan Yagoub Mansourpanah Synthesis and Application of Amin-modified Fe3O4@MCM-41 Core-shell Magnetic Mesoporous for Effective Removal of pb2+ ions from Aqueous Solutions and Optimization with Response Surface Methodology Journal of Water and Environmental Nanotechnology adsorption central composite design magnetic mesoporous silica sorbent pb+2 removal |
| title | Synthesis and Application of Amin-modified Fe3O4@MCM-41 Core-shell Magnetic Mesoporous for Effective Removal of pb2+ ions from Aqueous Solutions and Optimization with Response Surface Methodology |
| title_full | Synthesis and Application of Amin-modified Fe3O4@MCM-41 Core-shell Magnetic Mesoporous for Effective Removal of pb2+ ions from Aqueous Solutions and Optimization with Response Surface Methodology |
| title_fullStr | Synthesis and Application of Amin-modified Fe3O4@MCM-41 Core-shell Magnetic Mesoporous for Effective Removal of pb2+ ions from Aqueous Solutions and Optimization with Response Surface Methodology |
| title_full_unstemmed | Synthesis and Application of Amin-modified Fe3O4@MCM-41 Core-shell Magnetic Mesoporous for Effective Removal of pb2+ ions from Aqueous Solutions and Optimization with Response Surface Methodology |
| title_short | Synthesis and Application of Amin-modified Fe3O4@MCM-41 Core-shell Magnetic Mesoporous for Effective Removal of pb2+ ions from Aqueous Solutions and Optimization with Response Surface Methodology |
| title_sort | synthesis and application of amin modified fe3o4 mcm 41 core shell magnetic mesoporous for effective removal of pb2 ions from aqueous solutions and optimization with response surface methodology |
| topic | adsorption central composite design magnetic mesoporous silica sorbent pb+2 removal |
| url | http://www.jwent.net/article_32101_3a9272c29a7bc6a5f3a74b940653fd3b.pdf |
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