Synthesis and Application of SiO2/NbOx Composites for Environmental Remediation by Adsorption
In this study, a novel SiO2/NbOx composite was synthesized through high-energy mechanical milling followed by thermal treatment, aiming to explore its effectiveness as an adsorbent for environmental remediation. The composite was thoroughly characterized using techniques such as X-ray diffraction (X...
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| Format: | Article |
| Language: | English |
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Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)
2025-01-01
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| Series: | Materials Research |
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| author | Carla de Albuquerque Dias Armindo Santos Dayane Izabelita Santos Lacerda Harlley Sander Silva Torres Jefferson Arlen Freitas Sérgio Carneiro Reis Querem Hapuque Felix Rebelo |
| author_facet | Carla de Albuquerque Dias Armindo Santos Dayane Izabelita Santos Lacerda Harlley Sander Silva Torres Jefferson Arlen Freitas Sérgio Carneiro Reis Querem Hapuque Felix Rebelo |
| author_sort | Carla de Albuquerque Dias |
| collection | DOAJ |
| description | In this study, a novel SiO2/NbOx composite was synthesized through high-energy mechanical milling followed by thermal treatment, aiming to explore its effectiveness as an adsorbent for environmental remediation. The composite was thoroughly characterized using techniques such as X-ray diffraction (XRD), X-ray fluorescence (XRF), nitrogen adsorption-desorption isotherms, thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). The XRD analysis confirmed the amorphous nature of the SiO2/NbOx composite, with a significant presence of Nb (81.1%) compared to Si (15.8%), as indicated by XRF analysis. Adsorption studies were conducted using methylene blue (MB) dye in aqueous solution, evaluating the adsorption capacity and kinetics under controlled conditions. The composite demonstrated a rapid adsorption capacity, reaching 39.32 mg g−1 in a short time, following a pseudo-second-order kinetic model. The Langmuir isotherm model fitted the adsorption data, indicating a maximum capacity of 16.7 mg g−1. The findings highlight the potential of SiO2/NbOx as an efficient adsorbent for dye removal, contributing to environmentally friendly solutions for wastewater treatment. |
| format | Article |
| id | doaj-art-c97fff8f12094181ab8f1df0a88a22a5 |
| institution | Kabale University |
| issn | 1516-1439 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) |
| record_format | Article |
| series | Materials Research |
| spelling | doaj-art-c97fff8f12094181ab8f1df0a88a22a52025-01-21T07:39:50ZengAssociação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)Materials Research1516-14392025-01-012710.1590/1980-5373-mr-2024-0342Synthesis and Application of SiO2/NbOx Composites for Environmental Remediation by AdsorptionCarla de Albuquerque Diashttps://orcid.org/0009-0002-8982-6337Armindo SantosDayane Izabelita Santos LacerdaHarlley Sander Silva TorresJefferson Arlen FreitasSérgio Carneiro ReisQuerem Hapuque Felix Rebelohttps://orcid.org/0000-0002-9419-5579In this study, a novel SiO2/NbOx composite was synthesized through high-energy mechanical milling followed by thermal treatment, aiming to explore its effectiveness as an adsorbent for environmental remediation. The composite was thoroughly characterized using techniques such as X-ray diffraction (XRD), X-ray fluorescence (XRF), nitrogen adsorption-desorption isotherms, thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). The XRD analysis confirmed the amorphous nature of the SiO2/NbOx composite, with a significant presence of Nb (81.1%) compared to Si (15.8%), as indicated by XRF analysis. Adsorption studies were conducted using methylene blue (MB) dye in aqueous solution, evaluating the adsorption capacity and kinetics under controlled conditions. The composite demonstrated a rapid adsorption capacity, reaching 39.32 mg g−1 in a short time, following a pseudo-second-order kinetic model. The Langmuir isotherm model fitted the adsorption data, indicating a maximum capacity of 16.7 mg g−1. The findings highlight the potential of SiO2/NbOx as an efficient adsorbent for dye removal, contributing to environmentally friendly solutions for wastewater treatment.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392024000100315&lng=en&tlng=enAmorphous compositeadsorptionmethylene blue |
| spellingShingle | Carla de Albuquerque Dias Armindo Santos Dayane Izabelita Santos Lacerda Harlley Sander Silva Torres Jefferson Arlen Freitas Sérgio Carneiro Reis Querem Hapuque Felix Rebelo Synthesis and Application of SiO2/NbOx Composites for Environmental Remediation by Adsorption Materials Research Amorphous composite adsorption methylene blue |
| title | Synthesis and Application of SiO2/NbOx Composites for Environmental Remediation by Adsorption |
| title_full | Synthesis and Application of SiO2/NbOx Composites for Environmental Remediation by Adsorption |
| title_fullStr | Synthesis and Application of SiO2/NbOx Composites for Environmental Remediation by Adsorption |
| title_full_unstemmed | Synthesis and Application of SiO2/NbOx Composites for Environmental Remediation by Adsorption |
| title_short | Synthesis and Application of SiO2/NbOx Composites for Environmental Remediation by Adsorption |
| title_sort | synthesis and application of sio2 nbox composites for environmental remediation by adsorption |
| topic | Amorphous composite adsorption methylene blue |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392024000100315&lng=en&tlng=en |
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