Respirometric study of Diclofenac biodegradation
Pseudo-persistent contaminants in wastewater, as pharmaceutical compounds, create a need to study different methods capable to degrade these contaminants in order to reduce its concentration in water sources and treatment plants, since they could generate some problems therein. The biologi...
- Autores:
- Tipo de recurso:
- Article of journal
- Fecha de publicación:
- 2019
- Institución:
- Universidad Católica de Pereira
- Repositorio:
- Repositorio Institucional - RIBUC
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.ucp.edu.co:10785/13384
- Acceso en línea:
- https://revistas.ucp.edu.co/index.php/entrecienciaeingenieria/article/view/210
http://hdl.handle.net/10785/13384
- Palabra clave:
- Rights
- openAccess
- License
- Derechos de autor 2019 Entre Ciencia e Ingeniería
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Respirometric study of Diclofenac biodegradation |
| dc.title.spa.fl_str_mv |
Estudio respirométrico de la biodegradación de Diclofenaco |
| dc.title.por.fl_str_mv |
Estudo respirométrico da biodegradação de Diclofenaco |
| title |
Respirometric study of Diclofenac biodegradation |
| spellingShingle |
Respirometric study of Diclofenac biodegradation |
| title_short |
Respirometric study of Diclofenac biodegradation |
| title_full |
Respirometric study of Diclofenac biodegradation |
| title_fullStr |
Respirometric study of Diclofenac biodegradation |
| title_full_unstemmed |
Respirometric study of Diclofenac biodegradation |
| title_sort |
Respirometric study of Diclofenac biodegradation |
| description |
Pseudo-persistent contaminants in wastewater, as pharmaceutical compounds, create a need to study different methods capable to degrade these contaminants in order to reduce its concentration in water sources and treatment plants, since they could generate some problems therein. The biological treatment is often the main treatment in these WWTP. In this study, the analysis of the biological degradation of a nonsteroidal anti-inflammatory, as diclofenac, was carried out using respirometric techniques. Different batch experiments were carried out in a respirometer LFS (liquid-flowstatic) type, with activated sludge from a local WWTP to determine the aerobic biodegradation of diclofenac. The initial concentration of diclofenac was in the range 5-100 mg/L. The degradation was analyzed by COD and OD measurements. The profile of OD consumption was obtained for all samples. Removals of 50% were obtained after 285 min of reaction. However, the aerobic degradation increased until 80% of pollutant removal after 24 hours of analysis. It was observed that the activated sludge was able to consume the pollutant, however the reaction times were very long considering the requirements of the WWTP. |
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2019 |
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2019-06-01 |
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2023-08-29T03:48:50Z |
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2023-08-29T03:48:50Z |
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Artículo de revista |
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https://revistas.ucp.edu.co/index.php/entrecienciaeingenieria/article/view/210 10.31908/19098367.3268 |
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http://hdl.handle.net/10785/13384 |
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https://revistas.ucp.edu.co/index.php/entrecienciaeingenieria/article/view/210 http://hdl.handle.net/10785/13384 |
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10.31908/19098367.3268 |
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spa |
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https://revistas.ucp.edu.co/index.php/entrecienciaeingenieria/article/view/210/202 https://revistas.ucp.edu.co/index.php/entrecienciaeingenieria/article/view/210/1113 |
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Derechos de autor 2019 Entre Ciencia e Ingeniería https://creativecommons.org/licenses/by-nc/4.0/deed.es_ES |
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https://creativecommons.org/licenses/by-nc/4.0/deed.es_ES |
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application/pdf application/xml |
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Universidad Católica de Pereira |
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Entre ciencia e ingeniería; Vol 11 No 21 (2017); 9-13 |
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Entre Ciencia e Ingeniería; Vol. 11 Núm. 21 (2017); 9-13 |
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Entre ciencia e ingeniería; v. 11 n. 21 (2017); 9-13 |
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2539-4169 1909-8367 |
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2023-08-29T03:48:50Z2023-08-29T03:48:50Z2019-06-01https://revistas.ucp.edu.co/index.php/entrecienciaeingenieria/article/view/21010.31908/19098367.3268http://hdl.handle.net/10785/13384 Pseudo-persistent contaminants in wastewater, as pharmaceutical compounds, create a need to study different methods capable to degrade these contaminants in order to reduce its concentration in water sources and treatment plants, since they could generate some problems therein. The biological treatment is often the main treatment in these WWTP. In this study, the analysis of the biological degradation of a nonsteroidal anti-inflammatory, as diclofenac, was carried out using respirometric techniques. Different batch experiments were carried out in a respirometer LFS (liquid-flowstatic) type, with activated sludge from a local WWTP to determine the aerobic biodegradation of diclofenac. The initial concentration of diclofenac was in the range 5-100 mg/L. The degradation was analyzed by COD and OD measurements. The profile of OD consumption was obtained for all samples. Removals of 50% were obtained after 285 min of reaction. However, the aerobic degradation increased until 80% of pollutant removal after 24 hours of analysis. It was observed that the activated sludge was able to consume the pollutant, however the reaction times were very long considering the requirements of the WWTP. Los contaminantes pseudo-persistentes presentes en aguas residuales, como los compuestos farmacéuticos, generan la necesidad de estudiar diferentes métodos que sean capaces de degradar dichos contaminantes para reducir su concentración en las fuentes hídricas y en las plantas de tratamiento, ya que podrían producir algunos inconvenientes en las mismas. En este estudio, se lleva a cabo el análisis de la degradación biológica de un antiinflamatorio no-esteroideo, diclofenaco, utilizando técnicas respirométricas. Se realizaron diferentes ensayos en modo batch utilizando un respirómetro tipo LFS (liquid-flowstatic), con lodos activados provenientes de una planta local de tratamiento de aguas residuales, para determinar la biodegradación aerobia del diclofenaco. La concentración inicial de diclofenaco estuvo en el rango de 5-100 mg/L. La degradación fue analizada mediante ensayos de DQO y medidas de OD. El perfil de consumo de OD fue obtenido para todas las muestras. Se obtuvieron remociones cercanas al 50% después de 285 min de reacción. Sin embargo, la degradación biológica aumentó hasta cerca del 80% de remoción del contaminante cuando el tiempo de reacción fue incrementado a 24hs. Con los resultados obtenidos se pudo establecer que los lodos activados utilizados son capaces de consumir este tipo de contaminante, sin embargo el tiempo de reacción es elevado y, en la mayoría de los casos, superior al requerido en las plantas de tratamiento. Os contaminantes pseudo-persistentes, como os compostos farmacêuticos, presentes nas aguas residuais geram a necessidade de estudar diferentes métodos que sejam capazes de degradar tais contaminantes para reduzir sua concentração nas fontes hídricas e nas plataformas de tratamento, já que poderiam produzir alguns inconvenientes para elas. Neste estudo, se realiza a análise da degradação biológica de um anti-inflamatório não-esteroide, diclofenaco, utilizando técnicas respirométricas. Foram realizados diferentes ensaios em modo batch utilizando um respirómetro tipo LFS (liquidflowstatic), com lodos ativados procedentes de uma plataforma local de tratamento de águas residuais, para determinar a biodegradação aeróbia do diclofenaco. A concentração inicial de diclofenaco esteve na faixa de 5-100 mg/L. A degradação foi analisada através de ensaios de DQO e medidas de OD. O perfil de consumo de OD foi obtido para todas as amostras. Se obtiveram remoções aproximadas a 50% depois de 285 min de reação. Entretanto, a degradação biológica aumentou até aproximadamente 80% de remoção do contaminante quando o tempo de reação foi incrementado a 24hs. Com os resultados obtidos foi estabelecido que os lodos ativados utilizados são capazes de consumir este tipo de contaminante, entretanto o tempo de reação é elevado e, na maioria dos casos, superior ao requerido nas plataformas de tratamento. application/pdfapplication/xmlspaUniversidad Católica de Pereirahttps://revistas.ucp.edu.co/index.php/entrecienciaeingenieria/article/view/210/202https://revistas.ucp.edu.co/index.php/entrecienciaeingenieria/article/view/210/1113Derechos de autor 2019 Entre Ciencia e Ingenieríahttps://creativecommons.org/licenses/by-nc/4.0/deed.es_EShttps://creativecommons.org/licenses/by-nc/4.0/deed.es_ESinfo:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Entre ciencia e ingeniería; Vol 11 No 21 (2017); 9-13Entre Ciencia e Ingeniería; Vol. 11 Núm. 21 (2017); 9-13Entre ciencia e ingeniería; v. 11 n. 21 (2017); 9-132539-41691909-8367Respirometric study of Diclofenac biodegradationEstudio respirométrico de la biodegradación de DiclofenacoEstudo respirométrico da biodegradação de DiclofenacoArtículo de revistahttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionRubiano Godoy, Julio CesarPerdomo, María del PilarPramparo, Laura MarielaPublication10785/13384oai:repositorio.ucp.edu.co:10785/133842025-01-27 18:59:13.787https://creativecommons.org/licenses/by-nc/4.0/deed.es_ESDerechos de autor 2019 Entre Ciencia e Ingenieríametadata.onlyhttps://repositorio.ucp.edu.coRepositorio Institucional de la Universidad Católica de Pereira - RIBUCbdigital@metabiblioteca.com |