Improvement of mixing patterns in pilot-scale anaerobic ponds treating domestic sewage.
Water Sci Technol
; 48(2): 235-42, 2003.
Article
em En
| MEDLINE
| ID: mdl-14510216
Anaerobic ponds are customarily designed as completely mixed reactors. However, evidence from experiments on full-scale facilities shows large deviations from ideal flow models, which in turn cause a reduced process performance. Thus, modified pilot scale anaerobic ponds receiving domestic sewage were developed and studied in parallel. A factorially designed experiment evaluated horizontal and vertical baffling, ponds fitted with cross-sectional plastic nets and a pond with a mixing pit. The hydrodynamic behaviour and process performance of these modified configurations were monitored for four flow rates (1.0, 1.2, 1.5 and 2.0 l/s). The results showed that baffling (vertical and horizontal) and the mixing pit configuration had the best hydrodynamic behaviours and removal efficiencies. Consequently, the development of high-rate anaerobic ponds, through improvements of hydrodynamic behaviour, seems feasible.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Esgotos
/
Bactérias Anaeróbias
/
Movimentos da Água
/
Eliminação de Resíduos Líquidos
Tipo de estudo:
Prognostic_studies
Idioma:
En
Revista:
Water Sci Technol
Assunto da revista:
SAUDE AMBIENTAL
/
TOXICOLOGIA
Ano de publicação:
2003
Tipo de documento:
Article
País de afiliação:
Colômbia
País de publicação:
Reino Unido