Academic Journal
Degradation of the pharmaceuticals nimesulide and ibuprofen using photo-Fenton process: toxicity studies, kinetic modeling and use of artificial neural networks ; Degradação dos fármacos nimesulida e ibuprofeno empregando processo foto-Fenton: estudos da toxicidade, modelagem cinética e emprego de redes neurais artificiais
| العنوان: | Degradation of the pharmaceuticals nimesulide and ibuprofen using photo-Fenton process: toxicity studies, kinetic modeling and use of artificial neural networks ; Degradação dos fármacos nimesulida e ibuprofeno empregando processo foto-Fenton: estudos da toxicidade, modelagem cinética e emprego de redes neurais artificiais |
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| المؤلفون: | Monteiro, Rubens Teles, Santana, Rayany Magali da Rocha, Silva, Ana Maria Ribeiro Bastos da, Lucena, Alex Leandro Andrade de, Zaidan, Léa Elias Mendes Carneiro, Silva, Valdinete Lins da, Napoleão, Daniella Carla |
| المصدر: | Revista Eletrônica em Gestão, Educação e Tecnologia Ambiental; REGET, V. 22, 2018; e3 ; 2236-1170 |
| بيانات النشر: | Universidade Federal de Santa Maria |
| سنة النشر: | 2018 |
| المجموعة: | Universidade Federal de Santa Maria: Portal de Periódicos Eletrônicos da UFSM |
| مصطلحات موضوعية: | Ibuprofen, Nimesulide, Photo-Fenton, Ibuprofeno, Nimesulida |
| الوصف: | The growth of pollution in aquatic environments increases every day, causing compounds like pharmaceuticas to be detected in surface waters. Thus, tecniques such as advanced oxidation processes (AOP) have been used to degrade this compounds. In this work, the efficiency of AOP in the degradation of nimesulide and ibuprofen pharmaceuticals was evaluated through chromatographic analysis as well as organic matter through the levels of chemical oxygen demand (COD) and total organic carbon (TOC). It was verified that the photo-Fenton process presented the bests results, degrading 89.70% of nimesulide and 93.35% of ibuprofen. This same process managed to reduce COD by 91.60% and mineralize 90.04% of the TOC. The kinetic study showed a good linear fit (R2=0.993) for the clustered kinetic model, as well as a good fit to the mathematical model of artificial neural networks (ANNs), with a value of R2=1.000 for the MLP4-4-1 BFGS 4567 model. Finally, the toxicity of the solution after treatment was verified against the seeds of Lactuta sativa, Cichorium endívia, Ocimum basilicum and American Hard grain. It was found that the seeds that received the solution before treatment had a lower germination amount than the ones where the post AOP treatment solution was added. Then, the root growth was evaluated, in which a relative toxic effect was observed. ; O crescimento da poluição de ambientes aquáticos tem aumentado todos os dias, fazendo com que compostos como os fármacos sejam verificados em águas superficiais. Desse modo, técnicas como processos oxidativos avançados (POA) tem sido utilizadas. Neste trabalho a eficiência dos POA na degradação dos fármacos nimesulida e ibuprofeno foi avaliada, através de análises cromatográficas, bem como de matéria orgânica através dos níveis de demanda química de oxigênio (DQO) e carbono orgânico total (COT). Verificou-se que o processo foto-Fenton apresentou os melhores resultados degradando 89,70% do nimesulida e 93,35% do ibuprofeno. Esse mesmo processo conseguiu reduzir em 91,60% a DQO e ... |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | English |
| Relation: | https://periodicos.ufsm.br/reget/article/view/31563/pdf; https://periodicos.ufsm.br/reget/article/view/31563 |
| DOI: | 10.5902/2236117031563 |
| الاتاحة: | https://periodicos.ufsm.br/reget/article/view/31563 https://doi.org/10.5902/2236117031563 |
| Rights: | Copyright (c) 2018 Revista Eletrônica em Gestão, Educação e Tecnologia Ambiental ; http://creativecommons.org/licenses/by-nc-sa/4.0 |
| رقم الانضمام: | edsbas.171C6F3 |
| قاعدة البيانات: | BASE |
| DOI: | 10.5902/2236117031563 |
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