Phosphate reclaim from simulated and real eutrophic water by magnetic biochar derived from water hyacinth
In this study, the efficiency and mechanism of aqueous phosphate removal by magnetic biochar derived from water hyacinth (MW) were investigated. The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on La...
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| Autor*in: |
Cai, Ru [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Rechteinformationen: |
Nutzungsrecht: © COPYRIGHT 2017 Elsevier B.V. |
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| Übergeordnetes Werk: |
Enthalten in: Journal of environmental management - Amsterdam : Elsevier, 1973, 187(2017), Seite 212-219 |
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| Übergeordnetes Werk: |
volume:187 ; year:2017 ; pages:212-219 |
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| DOI / URN: |
10.1016/j.jenvman.2016.11.047 |
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| 520 | |a In this study, the efficiency and mechanism of aqueous phosphate removal by magnetic biochar derived from water hyacinth (MW) were investigated. The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on Langmuir-Freundlich model. At an initial phosphorus (P) concentration of 1 mg l.sup.-1, >90% P removal was achieved over pH 3-9, but the efficiency decreased sharply at pH > 10. The presence of arsenate and carbonate could remarkably decrease P sorption, while the inhibition effects of antimonate, nitrate and sulfate were less significant. In further application of MW450 to reclaim P from eutrophic lake waters (0.71-0.94 mg l.sup.-1 total P), [approximately equal to]96% P removals were attained in the batch studies and the effluent P concentrations in the column tests were reduced to <0.05 mg l.sup.-1 within 509-1019 empty bed volumes. As indicated by XRD, MW450 surface was dominated by Fe.sub.3O.sub.4 and Fe.sub.2O.sub.3, resulting in a good ferromagnetic property of this composite (saturation magnetization 45.8 emu g.sup.-1). Based on XPS, P sorption onto MW450 occurred mainly by surface complexation with the hydroxyl via ligand exchange. These results highlighted that MW derived from highly damaging water hyacinth could provide a promising alternative for P removal from most eutrophic waters. | ||
| 540 | |a Nutzungsrecht: © COPYRIGHT 2017 Elsevier B.V. | ||
| 650 | 4 | |a Sulfates | |
| 650 | 4 | |a Lakes | |
| 650 | 4 | |a Fertilizers | |
| 650 | 4 | |a Magnetization | |
| 650 | 4 | |a Phosphates | |
| 650 | 4 | |a Ferromagnetism | |
| 650 | 4 | |a Analysis | |
| 650 | 4 | |a Carbonates | |
| 700 | 1 | |a Wang, Xin |4 oth | |
| 700 | 1 | |a Ji, Xionghui |4 oth | |
| 700 | 1 | |a Peng, Bo |4 oth | |
| 700 | 1 | |a Tan, Changyin |4 oth | |
| 700 | 1 | |a Huang, Xi |4 oth | |
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10.1016/j.jenvman.2016.11.047 doi PQ20170721 (DE-627)OLC1990616119 (DE-599)GBVOLC1990616119 (PRQ)c930-43e6fc4c0594e07a241f1ca06d55979ba8ee5b2f40e7d885fbda4d715290256f0 (KEY)0059831320170000187000000212phosphatereclaimfromsimulatedandrealeutrophicwater DE-627 ger DE-627 rakwb eng 570 333.7 690 DNB 43.00 bkl Cai, Ru verfasserin aut Phosphate reclaim from simulated and real eutrophic water by magnetic biochar derived from water hyacinth 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this study, the efficiency and mechanism of aqueous phosphate removal by magnetic biochar derived from water hyacinth (MW) were investigated. The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on Langmuir-Freundlich model. At an initial phosphorus (P) concentration of 1 mg l.sup.-1, >90% P removal was achieved over pH 3-9, but the efficiency decreased sharply at pH > 10. The presence of arsenate and carbonate could remarkably decrease P sorption, while the inhibition effects of antimonate, nitrate and sulfate were less significant. In further application of MW450 to reclaim P from eutrophic lake waters (0.71-0.94 mg l.sup.-1 total P), [approximately equal to]96% P removals were attained in the batch studies and the effluent P concentrations in the column tests were reduced to <0.05 mg l.sup.-1 within 509-1019 empty bed volumes. As indicated by XRD, MW450 surface was dominated by Fe.sub.3O.sub.4 and Fe.sub.2O.sub.3, resulting in a good ferromagnetic property of this composite (saturation magnetization 45.8 emu g.sup.-1). Based on XPS, P sorption onto MW450 occurred mainly by surface complexation with the hydroxyl via ligand exchange. These results highlighted that MW derived from highly damaging water hyacinth could provide a promising alternative for P removal from most eutrophic waters. Nutzungsrecht: © COPYRIGHT 2017 Elsevier B.V. Sulfates Lakes Fertilizers Magnetization Phosphates Ferromagnetism Analysis Carbonates Wang, Xin oth Ji, Xionghui oth Peng, Bo oth Tan, Changyin oth Huang, Xi oth Enthalten in Journal of environmental management Amsterdam : Elsevier, 1973 187(2017), Seite 212-219 (DE-627)129391557 (DE-600)184882-3 (DE-576)014776723 0301-4797 nnns volume:187 year:2017 pages:212-219 http://dx.doi.org/10.1016/j.jenvman.2016.11.047 Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-FOR SSG-OLC-SOW SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4219 43.00 AVZ AR 187 2017 212-219 |
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10.1016/j.jenvman.2016.11.047 doi PQ20170721 (DE-627)OLC1990616119 (DE-599)GBVOLC1990616119 (PRQ)c930-43e6fc4c0594e07a241f1ca06d55979ba8ee5b2f40e7d885fbda4d715290256f0 (KEY)0059831320170000187000000212phosphatereclaimfromsimulatedandrealeutrophicwater DE-627 ger DE-627 rakwb eng 570 333.7 690 DNB 43.00 bkl Cai, Ru verfasserin aut Phosphate reclaim from simulated and real eutrophic water by magnetic biochar derived from water hyacinth 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this study, the efficiency and mechanism of aqueous phosphate removal by magnetic biochar derived from water hyacinth (MW) were investigated. The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on Langmuir-Freundlich model. At an initial phosphorus (P) concentration of 1 mg l.sup.-1, >90% P removal was achieved over pH 3-9, but the efficiency decreased sharply at pH > 10. The presence of arsenate and carbonate could remarkably decrease P sorption, while the inhibition effects of antimonate, nitrate and sulfate were less significant. In further application of MW450 to reclaim P from eutrophic lake waters (0.71-0.94 mg l.sup.-1 total P), [approximately equal to]96% P removals were attained in the batch studies and the effluent P concentrations in the column tests were reduced to <0.05 mg l.sup.-1 within 509-1019 empty bed volumes. As indicated by XRD, MW450 surface was dominated by Fe.sub.3O.sub.4 and Fe.sub.2O.sub.3, resulting in a good ferromagnetic property of this composite (saturation magnetization 45.8 emu g.sup.-1). Based on XPS, P sorption onto MW450 occurred mainly by surface complexation with the hydroxyl via ligand exchange. These results highlighted that MW derived from highly damaging water hyacinth could provide a promising alternative for P removal from most eutrophic waters. Nutzungsrecht: © COPYRIGHT 2017 Elsevier B.V. Sulfates Lakes Fertilizers Magnetization Phosphates Ferromagnetism Analysis Carbonates Wang, Xin oth Ji, Xionghui oth Peng, Bo oth Tan, Changyin oth Huang, Xi oth Enthalten in Journal of environmental management Amsterdam : Elsevier, 1973 187(2017), Seite 212-219 (DE-627)129391557 (DE-600)184882-3 (DE-576)014776723 0301-4797 nnns volume:187 year:2017 pages:212-219 http://dx.doi.org/10.1016/j.jenvman.2016.11.047 Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-FOR SSG-OLC-SOW SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4219 43.00 AVZ AR 187 2017 212-219 |
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10.1016/j.jenvman.2016.11.047 doi PQ20170721 (DE-627)OLC1990616119 (DE-599)GBVOLC1990616119 (PRQ)c930-43e6fc4c0594e07a241f1ca06d55979ba8ee5b2f40e7d885fbda4d715290256f0 (KEY)0059831320170000187000000212phosphatereclaimfromsimulatedandrealeutrophicwater DE-627 ger DE-627 rakwb eng 570 333.7 690 DNB 43.00 bkl Cai, Ru verfasserin aut Phosphate reclaim from simulated and real eutrophic water by magnetic biochar derived from water hyacinth 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this study, the efficiency and mechanism of aqueous phosphate removal by magnetic biochar derived from water hyacinth (MW) were investigated. The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on Langmuir-Freundlich model. At an initial phosphorus (P) concentration of 1 mg l.sup.-1, >90% P removal was achieved over pH 3-9, but the efficiency decreased sharply at pH > 10. The presence of arsenate and carbonate could remarkably decrease P sorption, while the inhibition effects of antimonate, nitrate and sulfate were less significant. In further application of MW450 to reclaim P from eutrophic lake waters (0.71-0.94 mg l.sup.-1 total P), [approximately equal to]96% P removals were attained in the batch studies and the effluent P concentrations in the column tests were reduced to <0.05 mg l.sup.-1 within 509-1019 empty bed volumes. As indicated by XRD, MW450 surface was dominated by Fe.sub.3O.sub.4 and Fe.sub.2O.sub.3, resulting in a good ferromagnetic property of this composite (saturation magnetization 45.8 emu g.sup.-1). Based on XPS, P sorption onto MW450 occurred mainly by surface complexation with the hydroxyl via ligand exchange. These results highlighted that MW derived from highly damaging water hyacinth could provide a promising alternative for P removal from most eutrophic waters. Nutzungsrecht: © COPYRIGHT 2017 Elsevier B.V. Sulfates Lakes Fertilizers Magnetization Phosphates Ferromagnetism Analysis Carbonates Wang, Xin oth Ji, Xionghui oth Peng, Bo oth Tan, Changyin oth Huang, Xi oth Enthalten in Journal of environmental management Amsterdam : Elsevier, 1973 187(2017), Seite 212-219 (DE-627)129391557 (DE-600)184882-3 (DE-576)014776723 0301-4797 nnns volume:187 year:2017 pages:212-219 http://dx.doi.org/10.1016/j.jenvman.2016.11.047 Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-FOR SSG-OLC-SOW SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4219 43.00 AVZ AR 187 2017 212-219 |
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10.1016/j.jenvman.2016.11.047 doi PQ20170721 (DE-627)OLC1990616119 (DE-599)GBVOLC1990616119 (PRQ)c930-43e6fc4c0594e07a241f1ca06d55979ba8ee5b2f40e7d885fbda4d715290256f0 (KEY)0059831320170000187000000212phosphatereclaimfromsimulatedandrealeutrophicwater DE-627 ger DE-627 rakwb eng 570 333.7 690 DNB 43.00 bkl Cai, Ru verfasserin aut Phosphate reclaim from simulated and real eutrophic water by magnetic biochar derived from water hyacinth 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this study, the efficiency and mechanism of aqueous phosphate removal by magnetic biochar derived from water hyacinth (MW) were investigated. The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on Langmuir-Freundlich model. At an initial phosphorus (P) concentration of 1 mg l.sup.-1, >90% P removal was achieved over pH 3-9, but the efficiency decreased sharply at pH > 10. The presence of arsenate and carbonate could remarkably decrease P sorption, while the inhibition effects of antimonate, nitrate and sulfate were less significant. In further application of MW450 to reclaim P from eutrophic lake waters (0.71-0.94 mg l.sup.-1 total P), [approximately equal to]96% P removals were attained in the batch studies and the effluent P concentrations in the column tests were reduced to <0.05 mg l.sup.-1 within 509-1019 empty bed volumes. As indicated by XRD, MW450 surface was dominated by Fe.sub.3O.sub.4 and Fe.sub.2O.sub.3, resulting in a good ferromagnetic property of this composite (saturation magnetization 45.8 emu g.sup.-1). Based on XPS, P sorption onto MW450 occurred mainly by surface complexation with the hydroxyl via ligand exchange. These results highlighted that MW derived from highly damaging water hyacinth could provide a promising alternative for P removal from most eutrophic waters. Nutzungsrecht: © COPYRIGHT 2017 Elsevier B.V. Sulfates Lakes Fertilizers Magnetization Phosphates Ferromagnetism Analysis Carbonates Wang, Xin oth Ji, Xionghui oth Peng, Bo oth Tan, Changyin oth Huang, Xi oth Enthalten in Journal of environmental management Amsterdam : Elsevier, 1973 187(2017), Seite 212-219 (DE-627)129391557 (DE-600)184882-3 (DE-576)014776723 0301-4797 nnns volume:187 year:2017 pages:212-219 http://dx.doi.org/10.1016/j.jenvman.2016.11.047 Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-FOR SSG-OLC-SOW SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4219 43.00 AVZ AR 187 2017 212-219 |
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10.1016/j.jenvman.2016.11.047 doi PQ20170721 (DE-627)OLC1990616119 (DE-599)GBVOLC1990616119 (PRQ)c930-43e6fc4c0594e07a241f1ca06d55979ba8ee5b2f40e7d885fbda4d715290256f0 (KEY)0059831320170000187000000212phosphatereclaimfromsimulatedandrealeutrophicwater DE-627 ger DE-627 rakwb eng 570 333.7 690 DNB 43.00 bkl Cai, Ru verfasserin aut Phosphate reclaim from simulated and real eutrophic water by magnetic biochar derived from water hyacinth 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier In this study, the efficiency and mechanism of aqueous phosphate removal by magnetic biochar derived from water hyacinth (MW) were investigated. The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on Langmuir-Freundlich model. At an initial phosphorus (P) concentration of 1 mg l.sup.-1, >90% P removal was achieved over pH 3-9, but the efficiency decreased sharply at pH > 10. The presence of arsenate and carbonate could remarkably decrease P sorption, while the inhibition effects of antimonate, nitrate and sulfate were less significant. In further application of MW450 to reclaim P from eutrophic lake waters (0.71-0.94 mg l.sup.-1 total P), [approximately equal to]96% P removals were attained in the batch studies and the effluent P concentrations in the column tests were reduced to <0.05 mg l.sup.-1 within 509-1019 empty bed volumes. As indicated by XRD, MW450 surface was dominated by Fe.sub.3O.sub.4 and Fe.sub.2O.sub.3, resulting in a good ferromagnetic property of this composite (saturation magnetization 45.8 emu g.sup.-1). Based on XPS, P sorption onto MW450 occurred mainly by surface complexation with the hydroxyl via ligand exchange. These results highlighted that MW derived from highly damaging water hyacinth could provide a promising alternative for P removal from most eutrophic waters. Nutzungsrecht: © COPYRIGHT 2017 Elsevier B.V. Sulfates Lakes Fertilizers Magnetization Phosphates Ferromagnetism Analysis Carbonates Wang, Xin oth Ji, Xionghui oth Peng, Bo oth Tan, Changyin oth Huang, Xi oth Enthalten in Journal of environmental management Amsterdam : Elsevier, 1973 187(2017), Seite 212-219 (DE-627)129391557 (DE-600)184882-3 (DE-576)014776723 0301-4797 nnns volume:187 year:2017 pages:212-219 http://dx.doi.org/10.1016/j.jenvman.2016.11.047 Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-FOR SSG-OLC-SOW SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4219 43.00 AVZ AR 187 2017 212-219 |
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The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on Langmuir-Freundlich model. At an initial phosphorus (P) concentration of 1 mg l.sup.-1, >90% P removal was achieved over pH 3-9, but the efficiency decreased sharply at pH > 10. The presence of arsenate and carbonate could remarkably decrease P sorption, while the inhibition effects of antimonate, nitrate and sulfate were less significant. In further application of MW450 to reclaim P from eutrophic lake waters (0.71-0.94 mg l.sup.-1 total P), [approximately equal to]96% P removals were attained in the batch studies and the effluent P concentrations in the column tests were reduced to <0.05 mg l.sup.-1 within 509-1019 empty bed volumes. As indicated by XRD, MW450 surface was dominated by Fe.sub.3O.sub.4 and Fe.sub.2O.sub.3, resulting in a good ferromagnetic property of this composite (saturation magnetization 45.8 emu g.sup.-1). Based on XPS, P sorption onto MW450 occurred mainly by surface complexation with the hydroxyl via ligand exchange. 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phosphate reclaim from simulated and real eutrophic water by magnetic biochar derived from water hyacinth |
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Phosphate reclaim from simulated and real eutrophic water by magnetic biochar derived from water hyacinth |
| abstract |
In this study, the efficiency and mechanism of aqueous phosphate removal by magnetic biochar derived from water hyacinth (MW) were investigated. The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on Langmuir-Freundlich model. At an initial phosphorus (P) concentration of 1 mg l.sup.-1, >90% P removal was achieved over pH 3-9, but the efficiency decreased sharply at pH > 10. The presence of arsenate and carbonate could remarkably decrease P sorption, while the inhibition effects of antimonate, nitrate and sulfate were less significant. In further application of MW450 to reclaim P from eutrophic lake waters (0.71-0.94 mg l.sup.-1 total P), [approximately equal to]96% P removals were attained in the batch studies and the effluent P concentrations in the column tests were reduced to <0.05 mg l.sup.-1 within 509-1019 empty bed volumes. As indicated by XRD, MW450 surface was dominated by Fe.sub.3O.sub.4 and Fe.sub.2O.sub.3, resulting in a good ferromagnetic property of this composite (saturation magnetization 45.8 emu g.sup.-1). Based on XPS, P sorption onto MW450 occurred mainly by surface complexation with the hydroxyl via ligand exchange. These results highlighted that MW derived from highly damaging water hyacinth could provide a promising alternative for P removal from most eutrophic waters. |
| abstractGer |
In this study, the efficiency and mechanism of aqueous phosphate removal by magnetic biochar derived from water hyacinth (MW) were investigated. The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on Langmuir-Freundlich model. At an initial phosphorus (P) concentration of 1 mg l.sup.-1, >90% P removal was achieved over pH 3-9, but the efficiency decreased sharply at pH > 10. The presence of arsenate and carbonate could remarkably decrease P sorption, while the inhibition effects of antimonate, nitrate and sulfate were less significant. In further application of MW450 to reclaim P from eutrophic lake waters (0.71-0.94 mg l.sup.-1 total P), [approximately equal to]96% P removals were attained in the batch studies and the effluent P concentrations in the column tests were reduced to <0.05 mg l.sup.-1 within 509-1019 empty bed volumes. As indicated by XRD, MW450 surface was dominated by Fe.sub.3O.sub.4 and Fe.sub.2O.sub.3, resulting in a good ferromagnetic property of this composite (saturation magnetization 45.8 emu g.sup.-1). Based on XPS, P sorption onto MW450 occurred mainly by surface complexation with the hydroxyl via ligand exchange. These results highlighted that MW derived from highly damaging water hyacinth could provide a promising alternative for P removal from most eutrophic waters. |
| abstract_unstemmed |
In this study, the efficiency and mechanism of aqueous phosphate removal by magnetic biochar derived from water hyacinth (MW) were investigated. The MW pyrolyzed at 450 [degrees]C (MW450) exhibited the most prominent phosphate sorption capacity, which was estimated to be 5.07 mg g.sup.-1 based on Langmuir-Freundlich model. At an initial phosphorus (P) concentration of 1 mg l.sup.-1, >90% P removal was achieved over pH 3-9, but the efficiency decreased sharply at pH > 10. The presence of arsenate and carbonate could remarkably decrease P sorption, while the inhibition effects of antimonate, nitrate and sulfate were less significant. In further application of MW450 to reclaim P from eutrophic lake waters (0.71-0.94 mg l.sup.-1 total P), [approximately equal to]96% P removals were attained in the batch studies and the effluent P concentrations in the column tests were reduced to <0.05 mg l.sup.-1 within 509-1019 empty bed volumes. As indicated by XRD, MW450 surface was dominated by Fe.sub.3O.sub.4 and Fe.sub.2O.sub.3, resulting in a good ferromagnetic property of this composite (saturation magnetization 45.8 emu g.sup.-1). Based on XPS, P sorption onto MW450 occurred mainly by surface complexation with the hydroxyl via ligand exchange. These results highlighted that MW derived from highly damaging water hyacinth could provide a promising alternative for P removal from most eutrophic waters. |
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Phosphate reclaim from simulated and real eutrophic water by magnetic biochar derived from water hyacinth |
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