Biogeofilter with Hydrothermal Treated Stevensite Clay and Laccase Enzymes for Retention and Degradation of Tetracycline
The concentration of antibiotics in surface water is an issue of high concern. The present study aims to manufacture and evaluate a biogeofilter, with stevensite clay and enzymes immobilized on it, for the adsorption and degradation of tetracycline-based antibiotics. To retain the small particle agg...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-12-01
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| Series: | Minerals |
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| Online Access: | https://www.mdpi.com/2075-163X/12/12/1631 |
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| author | Adrien Saphy María Tijero Carlos García-Delgado Almudena Ortega Sergio Zamora Ana Isabel Ruiz Enrique Eymar Jaime Cuevas Raúl Fernández |
| author_facet | Adrien Saphy María Tijero Carlos García-Delgado Almudena Ortega Sergio Zamora Ana Isabel Ruiz Enrique Eymar Jaime Cuevas Raúl Fernández |
| author_sort | Adrien Saphy |
| collection | DOAJ |
| description | The concentration of antibiotics in surface water is an issue of high concern. The present study aims to manufacture and evaluate a biogeofilter, with stevensite clay and enzymes immobilized on it, for the adsorption and degradation of tetracycline-based antibiotics. To retain the small particle aggregates of the clay in the filter, a hydrothermal treatment was applied to the stevensite, prior to compaction in pellets and its insertion into a cylindric cell, mixed with sand. The structure of the pellets avoids the loss of the clay material during the fluid transport through the porous medium. Several temperature treatments were applied to the pellets, but the treatment at 300 °C was revealed as the best option. Laccase enzymes were immobilized on the stevensite surface. Reactive transport experiments of tetracycline solutions were performed through the transport cells. The biogeofilter has a relevant adsorption capacity with a significant degradation factor. By modelling with STANMOD software, the hydrodynamic characteristics of the transport were determined and, therefore, the behaviour of a large-scale filter and transports of low tetracycline concentrations could be predicted. The results obtained are promising for irrigation systems at medium scale, as well as for the perspective of wastewater treatment plants at large scale. |
| first_indexed | 2024-03-09T16:03:46Z |
| format | Article |
| id | doaj.art-f8ec3f42e7414053a9cb69862d78f0e5 |
| institution | Directory Open Access Journal |
| issn | 2075-163X |
| language | English |
| last_indexed | 2024-03-09T16:03:46Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Minerals |
| spelling | doaj.art-f8ec3f42e7414053a9cb69862d78f0e52023-11-24T16:53:04ZengMDPI AGMinerals2075-163X2022-12-011212163110.3390/min12121631Biogeofilter with Hydrothermal Treated Stevensite Clay and Laccase Enzymes for Retention and Degradation of TetracyclineAdrien Saphy0María Tijero1Carlos García-Delgado2Almudena Ortega3Sergio Zamora4Ana Isabel Ruiz5Enrique Eymar6Jaime Cuevas7Raúl Fernández8Departamento de Geología y Geoquímica, Universidad Autónoma de Madrid, 28049 Madrid, SpainDepartamento de Geología y Geoquímica, Universidad Autónoma de Madrid, 28049 Madrid, SpainDepartamento de Geología y Geoquímica, Universidad Autónoma de Madrid, 28049 Madrid, SpainDepartamento de Geología y Geoquímica, Universidad Autónoma de Madrid, 28049 Madrid, SpainDepartamento de Química Agrícola y Bromatología, Universidad Autónoma de Madrid, 28049 Madrid, SpainDepartamento de Geología y Geoquímica, Universidad Autónoma de Madrid, 28049 Madrid, SpainDepartamento de Química Agrícola y Bromatología, Universidad Autónoma de Madrid, 28049 Madrid, SpainDepartamento de Geología y Geoquímica, Universidad Autónoma de Madrid, 28049 Madrid, SpainDepartamento de Geología y Geoquímica, Universidad Autónoma de Madrid, 28049 Madrid, SpainThe concentration of antibiotics in surface water is an issue of high concern. The present study aims to manufacture and evaluate a biogeofilter, with stevensite clay and enzymes immobilized on it, for the adsorption and degradation of tetracycline-based antibiotics. To retain the small particle aggregates of the clay in the filter, a hydrothermal treatment was applied to the stevensite, prior to compaction in pellets and its insertion into a cylindric cell, mixed with sand. The structure of the pellets avoids the loss of the clay material during the fluid transport through the porous medium. Several temperature treatments were applied to the pellets, but the treatment at 300 °C was revealed as the best option. Laccase enzymes were immobilized on the stevensite surface. Reactive transport experiments of tetracycline solutions were performed through the transport cells. The biogeofilter has a relevant adsorption capacity with a significant degradation factor. By modelling with STANMOD software, the hydrodynamic characteristics of the transport were determined and, therefore, the behaviour of a large-scale filter and transports of low tetracycline concentrations could be predicted. The results obtained are promising for irrigation systems at medium scale, as well as for the perspective of wastewater treatment plants at large scale.https://www.mdpi.com/2075-163X/12/12/1631stevensitepelletsbiogeofilterantibiotic pollutantstetracyclineSTANMOD |
| spellingShingle | Adrien Saphy María Tijero Carlos García-Delgado Almudena Ortega Sergio Zamora Ana Isabel Ruiz Enrique Eymar Jaime Cuevas Raúl Fernández Biogeofilter with Hydrothermal Treated Stevensite Clay and Laccase Enzymes for Retention and Degradation of Tetracycline Minerals stevensite pellets biogeofilter antibiotic pollutants tetracycline STANMOD |
| title | Biogeofilter with Hydrothermal Treated Stevensite Clay and Laccase Enzymes for Retention and Degradation of Tetracycline |
| title_full | Biogeofilter with Hydrothermal Treated Stevensite Clay and Laccase Enzymes for Retention and Degradation of Tetracycline |
| title_fullStr | Biogeofilter with Hydrothermal Treated Stevensite Clay and Laccase Enzymes for Retention and Degradation of Tetracycline |
| title_full_unstemmed | Biogeofilter with Hydrothermal Treated Stevensite Clay and Laccase Enzymes for Retention and Degradation of Tetracycline |
| title_short | Biogeofilter with Hydrothermal Treated Stevensite Clay and Laccase Enzymes for Retention and Degradation of Tetracycline |
| title_sort | biogeofilter with hydrothermal treated stevensite clay and laccase enzymes for retention and degradation of tetracycline |
| topic | stevensite pellets biogeofilter antibiotic pollutants tetracycline STANMOD |
| url | https://www.mdpi.com/2075-163X/12/12/1631 |
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