Pb(II) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan
Red mud modified by chitosan (RM/CS) was utilized as an adsorbent to effectively remove Pb(II) from aqueous solution. The surface area of RM/CS was found to significantly increase by more than 50% compared to that of original red mud. Different factors that affected the Pb(II) removal on this materi...
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Gespeichert in:
| Autor*in: |
Luu, Thi-Thuy [verfasserIn] Dinh, Van-Phuc [verfasserIn] Nguyen, Quang-Hung [verfasserIn] Tran, Ngoc-Quyen [verfasserIn] Nguyen, Duy-Khoi [verfasserIn] Ho, Thien-Hoang [verfasserIn] Nguyen, Van-Dong [verfasserIn] Tran, Dong Xuan [verfasserIn] Kiet, H.A. Tuan [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Chemosphere - Amsterdam [u.a.] : Elsevier Science, 1972, 287 |
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| Übergeordnetes Werk: |
volume:287 |
| DOI / URN: |
10.1016/j.chemosphere.2021.132279 |
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| Katalog-ID: |
ELV006962998 |
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| 245 | 1 | 0 | |a Pb(II) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan |
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| 520 | |a Red mud modified by chitosan (RM/CS) was utilized as an adsorbent to effectively remove Pb(II) from aqueous solution. The surface area of RM/CS was found to significantly increase by more than 50% compared to that of original red mud. Different factors that affected the Pb(II) removal on this material, such as initial Pb(II) concentration, pH, and contact time, were investigated. The pseudo-first-order, pseudo-second-order, and intra-diffusion models were used to fit the experimental data to investigate the Pb(II)'s removal kinetics. The Pb(II) removal followed the intra-diffusion model. Additionally, the non-zero C value obtained from this model indicates that the removal was controlled by many different mechanisms. We also found that the interaction of Pb(II) and carbonate group on the material's surface played a primary role once the adsorption equilibrium was reached. Finally, the maximum adsorptive capacity was found to be about 209 mg/g. This obtained value is higher than those obtained for some other materials. Therefore, the present RM/CS should be a potential material for removing Pb(II) from aqueous solution. | ||
| 650 | 4 | |a Red mud modified by chitosan | |
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| 700 | 1 | |a Nguyen, Duy-Khoi |e verfasserin |0 (orcid)0000-0002-7107-9313 |4 aut | |
| 700 | 1 | |a Ho, Thien-Hoang |e verfasserin |4 aut | |
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10.1016/j.chemosphere.2021.132279 doi (DE-627)ELV006962998 (ELSEVIER)S0045-6535(21)02751-X DE-627 ger DE-627 rda eng 333.7 VZ 43.00 bkl Luu, Thi-Thuy verfasserin aut Pb(II) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Red mud modified by chitosan (RM/CS) was utilized as an adsorbent to effectively remove Pb(II) from aqueous solution. The surface area of RM/CS was found to significantly increase by more than 50% compared to that of original red mud. Different factors that affected the Pb(II) removal on this material, such as initial Pb(II) concentration, pH, and contact time, were investigated. The pseudo-first-order, pseudo-second-order, and intra-diffusion models were used to fit the experimental data to investigate the Pb(II)'s removal kinetics. The Pb(II) removal followed the intra-diffusion model. Additionally, the non-zero C value obtained from this model indicates that the removal was controlled by many different mechanisms. We also found that the interaction of Pb(II) and carbonate group on the material's surface played a primary role once the adsorption equilibrium was reached. Finally, the maximum adsorptive capacity was found to be about 209 mg/g. This obtained value is higher than those obtained for some other materials. Therefore, the present RM/CS should be a potential material for removing Pb(II) from aqueous solution. Red mud modified by chitosan Surface's precipitation Adsorption Adsorption mechanism Dinh, Van-Phuc verfasserin (orcid)0000-0002-2956-3398 aut Nguyen, Quang-Hung verfasserin (orcid)0000-0002-9739-301X aut Tran, Ngoc-Quyen verfasserin aut Nguyen, Duy-Khoi verfasserin (orcid)0000-0002-7107-9313 aut Ho, Thien-Hoang verfasserin aut Nguyen, Van-Dong verfasserin (orcid)0000-0001-9736-4609 aut Tran, Dong Xuan verfasserin (orcid)0000-0002-6485-7260 aut Kiet, H.A. Tuan verfasserin (orcid)0000-0001-9042-2941 aut Enthalten in Chemosphere Amsterdam [u.a.] : Elsevier Science, 1972 287 Online-Ressource (DE-627)306354217 (DE-600)1496851-4 (DE-576)081952961 1879-1298 nnns volume:287 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 43.00 Umweltforschung Umweltschutz: Allgemeines VZ AR 287 |
| spelling |
10.1016/j.chemosphere.2021.132279 doi (DE-627)ELV006962998 (ELSEVIER)S0045-6535(21)02751-X DE-627 ger DE-627 rda eng 333.7 VZ 43.00 bkl Luu, Thi-Thuy verfasserin aut Pb(II) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Red mud modified by chitosan (RM/CS) was utilized as an adsorbent to effectively remove Pb(II) from aqueous solution. The surface area of RM/CS was found to significantly increase by more than 50% compared to that of original red mud. Different factors that affected the Pb(II) removal on this material, such as initial Pb(II) concentration, pH, and contact time, were investigated. The pseudo-first-order, pseudo-second-order, and intra-diffusion models were used to fit the experimental data to investigate the Pb(II)'s removal kinetics. The Pb(II) removal followed the intra-diffusion model. Additionally, the non-zero C value obtained from this model indicates that the removal was controlled by many different mechanisms. We also found that the interaction of Pb(II) and carbonate group on the material's surface played a primary role once the adsorption equilibrium was reached. Finally, the maximum adsorptive capacity was found to be about 209 mg/g. This obtained value is higher than those obtained for some other materials. Therefore, the present RM/CS should be a potential material for removing Pb(II) from aqueous solution. Red mud modified by chitosan Surface's precipitation Adsorption Adsorption mechanism Dinh, Van-Phuc verfasserin (orcid)0000-0002-2956-3398 aut Nguyen, Quang-Hung verfasserin (orcid)0000-0002-9739-301X aut Tran, Ngoc-Quyen verfasserin aut Nguyen, Duy-Khoi verfasserin (orcid)0000-0002-7107-9313 aut Ho, Thien-Hoang verfasserin aut Nguyen, Van-Dong verfasserin (orcid)0000-0001-9736-4609 aut Tran, Dong Xuan verfasserin (orcid)0000-0002-6485-7260 aut Kiet, H.A. Tuan verfasserin (orcid)0000-0001-9042-2941 aut Enthalten in Chemosphere Amsterdam [u.a.] : Elsevier Science, 1972 287 Online-Ressource (DE-627)306354217 (DE-600)1496851-4 (DE-576)081952961 1879-1298 nnns volume:287 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 43.00 Umweltforschung Umweltschutz: Allgemeines VZ AR 287 |
| allfields_unstemmed |
10.1016/j.chemosphere.2021.132279 doi (DE-627)ELV006962998 (ELSEVIER)S0045-6535(21)02751-X DE-627 ger DE-627 rda eng 333.7 VZ 43.00 bkl Luu, Thi-Thuy verfasserin aut Pb(II) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Red mud modified by chitosan (RM/CS) was utilized as an adsorbent to effectively remove Pb(II) from aqueous solution. The surface area of RM/CS was found to significantly increase by more than 50% compared to that of original red mud. Different factors that affected the Pb(II) removal on this material, such as initial Pb(II) concentration, pH, and contact time, were investigated. The pseudo-first-order, pseudo-second-order, and intra-diffusion models were used to fit the experimental data to investigate the Pb(II)'s removal kinetics. The Pb(II) removal followed the intra-diffusion model. Additionally, the non-zero C value obtained from this model indicates that the removal was controlled by many different mechanisms. We also found that the interaction of Pb(II) and carbonate group on the material's surface played a primary role once the adsorption equilibrium was reached. Finally, the maximum adsorptive capacity was found to be about 209 mg/g. This obtained value is higher than those obtained for some other materials. Therefore, the present RM/CS should be a potential material for removing Pb(II) from aqueous solution. Red mud modified by chitosan Surface's precipitation Adsorption Adsorption mechanism Dinh, Van-Phuc verfasserin (orcid)0000-0002-2956-3398 aut Nguyen, Quang-Hung verfasserin (orcid)0000-0002-9739-301X aut Tran, Ngoc-Quyen verfasserin aut Nguyen, Duy-Khoi verfasserin (orcid)0000-0002-7107-9313 aut Ho, Thien-Hoang verfasserin aut Nguyen, Van-Dong verfasserin (orcid)0000-0001-9736-4609 aut Tran, Dong Xuan verfasserin (orcid)0000-0002-6485-7260 aut Kiet, H.A. Tuan verfasserin (orcid)0000-0001-9042-2941 aut Enthalten in Chemosphere Amsterdam [u.a.] : Elsevier Science, 1972 287 Online-Ressource (DE-627)306354217 (DE-600)1496851-4 (DE-576)081952961 1879-1298 nnns volume:287 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 43.00 Umweltforschung Umweltschutz: Allgemeines VZ AR 287 |
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10.1016/j.chemosphere.2021.132279 doi (DE-627)ELV006962998 (ELSEVIER)S0045-6535(21)02751-X DE-627 ger DE-627 rda eng 333.7 VZ 43.00 bkl Luu, Thi-Thuy verfasserin aut Pb(II) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Red mud modified by chitosan (RM/CS) was utilized as an adsorbent to effectively remove Pb(II) from aqueous solution. The surface area of RM/CS was found to significantly increase by more than 50% compared to that of original red mud. Different factors that affected the Pb(II) removal on this material, such as initial Pb(II) concentration, pH, and contact time, were investigated. The pseudo-first-order, pseudo-second-order, and intra-diffusion models were used to fit the experimental data to investigate the Pb(II)'s removal kinetics. The Pb(II) removal followed the intra-diffusion model. Additionally, the non-zero C value obtained from this model indicates that the removal was controlled by many different mechanisms. We also found that the interaction of Pb(II) and carbonate group on the material's surface played a primary role once the adsorption equilibrium was reached. Finally, the maximum adsorptive capacity was found to be about 209 mg/g. This obtained value is higher than those obtained for some other materials. Therefore, the present RM/CS should be a potential material for removing Pb(II) from aqueous solution. Red mud modified by chitosan Surface's precipitation Adsorption Adsorption mechanism Dinh, Van-Phuc verfasserin (orcid)0000-0002-2956-3398 aut Nguyen, Quang-Hung verfasserin (orcid)0000-0002-9739-301X aut Tran, Ngoc-Quyen verfasserin aut Nguyen, Duy-Khoi verfasserin (orcid)0000-0002-7107-9313 aut Ho, Thien-Hoang verfasserin aut Nguyen, Van-Dong verfasserin (orcid)0000-0001-9736-4609 aut Tran, Dong Xuan verfasserin (orcid)0000-0002-6485-7260 aut Kiet, H.A. Tuan verfasserin (orcid)0000-0001-9042-2941 aut Enthalten in Chemosphere Amsterdam [u.a.] : Elsevier Science, 1972 287 Online-Ressource (DE-627)306354217 (DE-600)1496851-4 (DE-576)081952961 1879-1298 nnns volume:287 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 43.00 Umweltforschung Umweltschutz: Allgemeines VZ AR 287 |
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10.1016/j.chemosphere.2021.132279 doi (DE-627)ELV006962998 (ELSEVIER)S0045-6535(21)02751-X DE-627 ger DE-627 rda eng 333.7 VZ 43.00 bkl Luu, Thi-Thuy verfasserin aut Pb(II) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Red mud modified by chitosan (RM/CS) was utilized as an adsorbent to effectively remove Pb(II) from aqueous solution. The surface area of RM/CS was found to significantly increase by more than 50% compared to that of original red mud. Different factors that affected the Pb(II) removal on this material, such as initial Pb(II) concentration, pH, and contact time, were investigated. The pseudo-first-order, pseudo-second-order, and intra-diffusion models were used to fit the experimental data to investigate the Pb(II)'s removal kinetics. The Pb(II) removal followed the intra-diffusion model. Additionally, the non-zero C value obtained from this model indicates that the removal was controlled by many different mechanisms. We also found that the interaction of Pb(II) and carbonate group on the material's surface played a primary role once the adsorption equilibrium was reached. Finally, the maximum adsorptive capacity was found to be about 209 mg/g. This obtained value is higher than those obtained for some other materials. Therefore, the present RM/CS should be a potential material for removing Pb(II) from aqueous solution. Red mud modified by chitosan Surface's precipitation Adsorption Adsorption mechanism Dinh, Van-Phuc verfasserin (orcid)0000-0002-2956-3398 aut Nguyen, Quang-Hung verfasserin (orcid)0000-0002-9739-301X aut Tran, Ngoc-Quyen verfasserin aut Nguyen, Duy-Khoi verfasserin (orcid)0000-0002-7107-9313 aut Ho, Thien-Hoang verfasserin aut Nguyen, Van-Dong verfasserin (orcid)0000-0001-9736-4609 aut Tran, Dong Xuan verfasserin (orcid)0000-0002-6485-7260 aut Kiet, H.A. Tuan verfasserin (orcid)0000-0001-9042-2941 aut Enthalten in Chemosphere Amsterdam [u.a.] : Elsevier Science, 1972 287 Online-Ressource (DE-627)306354217 (DE-600)1496851-4 (DE-576)081952961 1879-1298 nnns volume:287 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 43.00 Umweltforschung Umweltschutz: Allgemeines VZ AR 287 |
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Luu, Thi-Thuy @@aut@@ Dinh, Van-Phuc @@aut@@ Nguyen, Quang-Hung @@aut@@ Tran, Ngoc-Quyen @@aut@@ Nguyen, Duy-Khoi @@aut@@ Ho, Thien-Hoang @@aut@@ Nguyen, Van-Dong @@aut@@ Tran, Dong Xuan @@aut@@ Kiet, H.A. Tuan @@aut@@ |
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Luu, Thi-Thuy |
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333.7 VZ 43.00 bkl Pb(II) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan Red mud modified by chitosan Surface's precipitation Adsorption Adsorption mechanism |
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Luu, Thi-Thuy Dinh, Van-Phuc Nguyen, Quang-Hung Tran, Ngoc-Quyen Nguyen, Duy-Khoi Ho, Thien-Hoang Nguyen, Van-Dong Tran, Dong Xuan Kiet, H.A. Tuan |
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pb(ii) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan |
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Pb(II) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan |
| abstract |
Red mud modified by chitosan (RM/CS) was utilized as an adsorbent to effectively remove Pb(II) from aqueous solution. The surface area of RM/CS was found to significantly increase by more than 50% compared to that of original red mud. Different factors that affected the Pb(II) removal on this material, such as initial Pb(II) concentration, pH, and contact time, were investigated. The pseudo-first-order, pseudo-second-order, and intra-diffusion models were used to fit the experimental data to investigate the Pb(II)'s removal kinetics. The Pb(II) removal followed the intra-diffusion model. Additionally, the non-zero C value obtained from this model indicates that the removal was controlled by many different mechanisms. We also found that the interaction of Pb(II) and carbonate group on the material's surface played a primary role once the adsorption equilibrium was reached. Finally, the maximum adsorptive capacity was found to be about 209 mg/g. This obtained value is higher than those obtained for some other materials. Therefore, the present RM/CS should be a potential material for removing Pb(II) from aqueous solution. |
| abstractGer |
Red mud modified by chitosan (RM/CS) was utilized as an adsorbent to effectively remove Pb(II) from aqueous solution. The surface area of RM/CS was found to significantly increase by more than 50% compared to that of original red mud. Different factors that affected the Pb(II) removal on this material, such as initial Pb(II) concentration, pH, and contact time, were investigated. The pseudo-first-order, pseudo-second-order, and intra-diffusion models were used to fit the experimental data to investigate the Pb(II)'s removal kinetics. The Pb(II) removal followed the intra-diffusion model. Additionally, the non-zero C value obtained from this model indicates that the removal was controlled by many different mechanisms. We also found that the interaction of Pb(II) and carbonate group on the material's surface played a primary role once the adsorption equilibrium was reached. Finally, the maximum adsorptive capacity was found to be about 209 mg/g. This obtained value is higher than those obtained for some other materials. Therefore, the present RM/CS should be a potential material for removing Pb(II) from aqueous solution. |
| abstract_unstemmed |
Red mud modified by chitosan (RM/CS) was utilized as an adsorbent to effectively remove Pb(II) from aqueous solution. The surface area of RM/CS was found to significantly increase by more than 50% compared to that of original red mud. Different factors that affected the Pb(II) removal on this material, such as initial Pb(II) concentration, pH, and contact time, were investigated. The pseudo-first-order, pseudo-second-order, and intra-diffusion models were used to fit the experimental data to investigate the Pb(II)'s removal kinetics. The Pb(II) removal followed the intra-diffusion model. Additionally, the non-zero C value obtained from this model indicates that the removal was controlled by many different mechanisms. We also found that the interaction of Pb(II) and carbonate group on the material's surface played a primary role once the adsorption equilibrium was reached. Finally, the maximum adsorptive capacity was found to be about 209 mg/g. This obtained value is higher than those obtained for some other materials. Therefore, the present RM/CS should be a potential material for removing Pb(II) from aqueous solution. |
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Pb(II) adsorption mechanism and capability from aqueous solution using red mud modified by chitosan |
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Dinh, Van-Phuc Nguyen, Quang-Hung Tran, Ngoc-Quyen Nguyen, Duy-Khoi Ho, Thien-Hoang Nguyen, Van-Dong Tran, Dong Xuan Kiet, H.A. Tuan |
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|
| score |
7.401642 |