| Texto completo | |
| Autor(es): |
Romeiro, Guilherme Flandoli
[1]
;
Oliveira, Cristiane Arruda
[1]
;
Tomita, Ines N.
[1]
;
Santos-Neto, Alvaro J.
[2]
;
Zaiat, Marcelo
[1]
;
Lima Gomes, Paulo Clairmont F.
[3]
Número total de Autores: 6
|
| Afiliação do(s) autor(es): | [1] Univ Sao Paulo, Biol Proc Lab, Ctr Res Dev & Innovat Environm Engn, Sao Carlos Sch Engn EESC, Environm Engn Bloco 4-F, Sao Carlos, SP - Brazil
[2] Univ Sao Paulo, Inst Chem Sao Carlos, Sao Carlos, SP - Brazil
[3] Sao Paulo State Univ UNESP, Dept Analyt Chem, Inst Chem, POB 355, BR-14800060 Araraquara, SP - Brazil
Número total de Afiliações: 3
|
| Tipo de documento: | Artigo Científico |
| Fonte: | ENVIRONMENTAL TECHNOLOGY; v. 40, n. 8, p. 979-987, APR 3 2019. |
| Citações Web of Science: | 2 |
| Resumo | |
The use of anaerobic biomass attached to a support has been recently presented as a good prospect in the treatment of wastewater containing recalcitrant compounds, such as sulfamethazine (SMZ). SMZ has been found in swine wastewater and sewage treatment plants, which motivates assessing their degradation by new wastewater treatment technologies. Thus, this paper describes the use of a continuous fixed structured bed bioreactor for the purpose of evaluating SMZ removal kinetics present in lab-made wastewater. The analysis of SMZ used online solid-phase extraction coupled to liquid chromatography/tandem mass spectrometry (SPE online-LC-MS/MS). Chemical oxygen demand (COD) was also monitored to evaluate the organic matter removal. The bioreactor was operated under mesophilic conditions (30C), with a hydraulic retention time of 24 h. In order to evaluate SMZ removal, four different concentration levels were studied: 200, 400, 600, and 800 ng L-1. COD removal efficiency obtained for filtered effluent kept at 91.01% and there was no interference due to the increase of SMZ concentration. For SMZ, the removal efficiencies were of for 200 ng L-1 concentration level; for 400 ng L-1; for 600 ng L-1, and for 800 ng L-1. COD removal kinetics presented a first-order apparent removal rate constant () of h(-1). SMZ also showed a first-order apparent removal rate constant of h(-1) for the following concentrations levels: 200, 400, 600, and 800 ng L-1. (AU) | |
| Processo FAPESP: | 09/15984-0 - Produção de Bioenergia no Tratamento de Águas Residuárias e Adequação Ambiental dos Efluentes e Resíduos Gerados |
| Beneficiário: | Marcelo Zaiat |
| Modalidade de apoio: | Auxílio à Pesquisa - Temático |
| Processo FAPESP: | 14/10256-5 - Avaliação da remoção do antibiótico sulfametazina em reator anaeróbio contínuo de leito fixo ordenado |
| Beneficiário: | Guilherme Flandoli Romeiro |
| Modalidade de apoio: | Bolsas no Brasil - Iniciação Científica |
| Processo FAPESP: | 09/53850-6 - Emu: aquisicao de espectrometro de massa para aprofundamento nos estudos de rotas de degradacao de compostos organicos em reatores aplicados ao tratamento de aguas residuarias e a producao de compost.. |
| Beneficiário: | Marcelo Zaiat |
| Modalidade de apoio: | Auxílio à Pesquisa - Programa Equipamentos Multiusuários |
| Processo FAPESP: | 12/07153-4 - Análise e identificação de produtos de degradação de resíduos de antibióticos após tratamento em reatores anaeróbios |
| Beneficiário: | Paulo Clairmont Feitosa de Lima Gomes |
| Modalidade de apoio: | Bolsas no Brasil - Pós-Doutorado |