ZNO/TIO2 and ZNO/NB2O5 as effective systems for the treatment of enteric bacteria and commercial dyes
In this study, ZnO/TiO2 and ZnO/Nb2O5 photocatalysts were evaluated in the river pollution remediation and wastewater treatment from textile factories, thus, the target pollutants selected for this study were enteropathogenic bacteria and commercial dyes. The mixed oxide systems were extensively an...
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| Format: | Article |
| Language: | English |
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Universidad de Antioquia
2022-07-01
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| Series: | Revista Facultad de Ingeniería Universidad de Antioquia |
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| Online Access: | https://revistas.udea.edu.co/index.php/ingenieria/article/view/344760 |
| _version_ | 1797861823716786176 |
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| author | Jhon Sebastián Hernández-Niño Julie Joseane Murcia-Mesa Hugo Alfonso Rojas-Sarmiento María del Carmen Hidalgo Jose Antonio Navío-Santos |
| author_facet | Jhon Sebastián Hernández-Niño Julie Joseane Murcia-Mesa Hugo Alfonso Rojas-Sarmiento María del Carmen Hidalgo Jose Antonio Navío-Santos |
| author_sort | Jhon Sebastián Hernández-Niño |
| collection | DOAJ |
| description |
In this study, ZnO/TiO2 and ZnO/Nb2O5 photocatalysts were evaluated in the river pollution remediation and wastewater treatment from textile factories, thus, the target pollutants selected for this study were enteropathogenic bacteria and commercial dyes. The mixed oxide systems were extensively analyzed in order to explore their physicochemical properties. From this analysis, it was found that the coupling of two oxides did not modify the crystallinity of the pristine semiconductors. As a result, XRD Wurtzite phase, hexagonal phase, and anatase phases were identified for ZnO, Nb2O5, and TiO2 photocatalyst, respectively. Using UV-Vis DRS, a higher absorption for mixed oxides in the visible region of the electromagnetic spectrum was observed, along with a decrease in the band gap value in these materials. The results of the photocatalytic activity evaluation showed that the coupling of ZnO with Nb2O5 and TiO2 increased the effectiveness of the total organic carbon (TOC) and E. Coli elimination. 83% of TOC and elimination of 64% of E. coli were achieved using ZnO/Nb2O5 photocatalyst for the treatment of water samples from the polluted river.
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| first_indexed | 2024-04-09T22:10:36Z |
| format | Article |
| id | doaj.art-6454f3fbc65941e5ae49d7c61463d5a2 |
| institution | Directory Open Access Journal |
| issn | 0120-6230 2422-2844 |
| language | English |
| last_indexed | 2024-04-09T22:10:36Z |
| publishDate | 2022-07-01 |
| publisher | Universidad de Antioquia |
| record_format | Article |
| series | Revista Facultad de Ingeniería Universidad de Antioquia |
| spelling | doaj.art-6454f3fbc65941e5ae49d7c61463d5a22023-03-23T12:26:47ZengUniversidad de AntioquiaRevista Facultad de Ingeniería Universidad de Antioquia0120-62302422-28442022-07-0110.17533/udea.redin.20220785ZNO/TIO2 and ZNO/NB2O5 as effective systems for the treatment of enteric bacteria and commercial dyesJhon Sebastián Hernández-Niño0Julie Joseane Murcia-Mesa1Hugo Alfonso Rojas-Sarmiento2María del Carmen Hidalgo3Jose Antonio Navío-Santos4Universidad Pedagógica y Tecnológica de ColombiaUniversidad Pedagógica y Tecnológica de ColombiaUniversidad Pedagógica y Tecnológica de ColombiaUniversidad de SevillaUniversidad de Sevilla In this study, ZnO/TiO2 and ZnO/Nb2O5 photocatalysts were evaluated in the river pollution remediation and wastewater treatment from textile factories, thus, the target pollutants selected for this study were enteropathogenic bacteria and commercial dyes. The mixed oxide systems were extensively analyzed in order to explore their physicochemical properties. From this analysis, it was found that the coupling of two oxides did not modify the crystallinity of the pristine semiconductors. As a result, XRD Wurtzite phase, hexagonal phase, and anatase phases were identified for ZnO, Nb2O5, and TiO2 photocatalyst, respectively. Using UV-Vis DRS, a higher absorption for mixed oxides in the visible region of the electromagnetic spectrum was observed, along with a decrease in the band gap value in these materials. The results of the photocatalytic activity evaluation showed that the coupling of ZnO with Nb2O5 and TiO2 increased the effectiveness of the total organic carbon (TOC) and E. Coli elimination. 83% of TOC and elimination of 64% of E. coli were achieved using ZnO/Nb2O5 photocatalyst for the treatment of water samples from the polluted river. https://revistas.udea.edu.co/index.php/ingenieria/article/view/344760ZnO/TiO2 or Nb2O5Photocatalysisenteropathogenic bacteriadyes |
| spellingShingle | Jhon Sebastián Hernández-Niño Julie Joseane Murcia-Mesa Hugo Alfonso Rojas-Sarmiento María del Carmen Hidalgo Jose Antonio Navío-Santos ZNO/TIO2 and ZNO/NB2O5 as effective systems for the treatment of enteric bacteria and commercial dyes Revista Facultad de Ingeniería Universidad de Antioquia ZnO/TiO2 or Nb2O5 Photocatalysis enteropathogenic bacteria dyes |
| title | ZNO/TIO2 and ZNO/NB2O5 as effective systems for the treatment of enteric bacteria and commercial dyes |
| title_full | ZNO/TIO2 and ZNO/NB2O5 as effective systems for the treatment of enteric bacteria and commercial dyes |
| title_fullStr | ZNO/TIO2 and ZNO/NB2O5 as effective systems for the treatment of enteric bacteria and commercial dyes |
| title_full_unstemmed | ZNO/TIO2 and ZNO/NB2O5 as effective systems for the treatment of enteric bacteria and commercial dyes |
| title_short | ZNO/TIO2 and ZNO/NB2O5 as effective systems for the treatment of enteric bacteria and commercial dyes |
| title_sort | zno tio2 and zno nb2o5 as effective systems for the treatment of enteric bacteria and commercial dyes |
| topic | ZnO/TiO2 or Nb2O5 Photocatalysis enteropathogenic bacteria dyes |
| url | https://revistas.udea.edu.co/index.php/ingenieria/article/view/344760 |
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