Performance and model of a novel membrane bioreactor to treat the low-strengthen complex wastewater.
Bioresour Technol
; 114: 33-45, 2012 Jun.
Article
em En
| MEDLINE
| ID: mdl-22446051
ABSTRACT
A MLMBR and a conventional IMBR with DO control system were investigated for simultaneously removing organic carbon and nitrogen in the low-strengthen complex wastewater. Four stages of the laboratory scale system with SRT of 30 day and HRTs of 20, 16, 12, and 8 h, respectively, were conducted. During the 4 months experimental period, COD removal efficiencies averaged at 92.2% and 85.3%, SS removal efficiencies averaged at 93.8% and 85.2%, and NH(4)(+)-N removal efficiencies averaged at 84.1% and 65.3%, respectively, for MLMBR and IMBR. What's more, the sludge characteristics were explored explicitly, results demonstrate that MLMBR not only perform better in substrates removal, also can alleviate the membrane fouling due to better sludge characteristics. In addition, mathematical statistical models, built on the linear regression techniques were developed for explore the inner relationship between HRTs and the performance of the MLMBR.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Bactérias Aeróbias
/
Poluentes Químicos da Água
/
Ultrafiltração
/
Purificação da Água
/
Reatores Biológicos
/
Membranas Artificiais
Tipo de estudo:
Prognostic_studies
/
Risk_factors_studies
Idioma:
En
Revista:
Bioresour Technol
Assunto da revista:
ENGENHARIA BIOMEDICA
Ano de publicação:
2012
Tipo de documento:
Article
País de afiliação:
China