Journal: npj Clean Water

Article Title: Simultaneous adsorption of organic phosphonate and orthophosphate from municipal sewage on nanoparticle Fe3O4 with molecular simulation

doi: 10.1038/s41545-025-00453-7

Figure Lengend Snippet: Fig. 1 | Characterization of materials. a SEM image before adsorption; b SEM image after HEDP adsorption; c SEM image after PO4 3−adsorption; d XRD spectra of Fe3O4 NPs; e infrared spectra of Fe3O4 NPs; f hysteresis loop of Fe3O4 NPs.

Article Snippet: The structural analysis of Fe3O4 NPs was performed using a Bruker D8 Advance X-ray diffractometer (XRD, Bruker Corporation, Germany).

Techniques: Adsorption

Journal: npj Clean Water

Article Title: Simultaneous adsorption of organic phosphonate and orthophosphate from municipal sewage on nanoparticle Fe3O4 with molecular simulation

doi: 10.1038/s41545-025-00453-7

Figure Lengend Snippet: Fig. 8 | Molecular configuration. a Molecular configuration of the Fe3O4 molecule in conjunction with the HEDP molecule. b Molecular configuration of the Fe3O4 molecule in conjunction with the ion. The purple, red, pink and white spheres represent Fe, O, P and H atoms, respectively.

Article Snippet: The structural analysis of Fe3O4 NPs was performed using a Bruker D8 Advance X-ray diffractometer (XRD, Bruker Corporation, Germany).

Techniques:

Journal: npj Clean Water

Article Title: Simultaneous adsorption of organic phosphonate and orthophosphate from municipal sewage on nanoparticle Fe3O4 with molecular simulation

doi: 10.1038/s41545-025-00453-7

Figure Lengend Snippet: Fig. 7 | XPS analysis. a P2p spectra of Fe3O4 NPs before adsorption b P2p spectra of Fe3O4 NPs after adsorption of HEDP c P2p spectra of Fe3O4 NPs after adsorption of PO4 3−d O1s spectra of Fe3O4 NPs before adsorption e O1s spectra of Fe3O4 NPs after adsorption of HEDP f O1s spectra of Fe3O4 NPs after adsorption of PO4 3−.

Article Snippet: The structural analysis of Fe3O4 NPs was performed using a Bruker D8 Advance X-ray diffractometer (XRD, Bruker Corporation, Germany).

Techniques: Adsorption

Journal: npj Clean Water

Article Title: Simultaneous adsorption of organic phosphonate and orthophosphate from municipal sewage on nanoparticle Fe3O4 with molecular simulation

doi: 10.1038/s41545-025-00453-7

Figure Lengend Snippet: Fig. 10 | Actual wastewater testing. a Treatment performance of inorganic phosphorus in actual wastewater by Fe3O4 NPs. b Treatment performance of total phosphorus in actual wastewater by Fe3O4 NPs (Test conditions: initial pH = 6.5, T = 298 K, t = 12 h, TP = 2.80 mg-P/L and IP = 2.52 mg-P/L).

Article Snippet: The structural analysis of Fe3O4 NPs was performed using a Bruker D8 Advance X-ray diffractometer (XRD, Bruker Corporation, Germany).

Techniques: