Model assessment of the prevailing fouling mechanisms in a submerged membrane anaerobic reactor treating low-strength wastewater

Alexandra Cerón-Vivas, Nesrine Kalboussi, Juan Manuel Morgan-Sagastume, Jérôme Harmand, Adalberto Noyola

Producción científica: Contribución a una revistaArtículo en revista científica indexadarevisión exhaustiva

12 Citas (Scopus)

Resumen

Three models (blocking laws, combined and resistance-in-series) were applied to identify the prevailing fouling mechanisms in a submerged membrane in an up-flow anaerobic sludge blanket reactor treating municipal wastewater. Experimental runs were carried out at lab-scale with filtration periods of 4 and 10 min, followed by relaxation periods of one minute with and without nitrogen bubbling. In all conditions excepting one (IF4R), the blocking laws model showed a predominance of cake formation. With the combined model, cake formation coupled with intermediate, standard and complete fouling had the better fits in all conditions, excepting IF4 and IF4R. When sewage was fed, both models pointed at intermediate fouling in the absence of gas bubbling. The resistance-in-series model identified the positive effect of gas bubbling and a post-cake fouling behavior, not shown by the other two models. This modeling approach could be applied for achieving longer filtration runs in submerged UF membranes.
Idioma originalInglés
Páginas (desde-hasta)460-469
Número de páginas10
PublicaciónBioresource Technology
Volumen268
DOI
EstadoPublicada - nov. 2018

Nota bibliográfica

Publisher Copyright:
© 2018 Elsevier Ltd

Palabras clave

  • Submerged membrane
  • Anaerobic reactor
  • Fouling mechanisms
  • Low-strength wastewater
  • Blocking laws model
  • Combined model
  • Resistance-in-series model
  • Intermediate fouling

Tipos de Productos Minciencias

  • Artículos de investigación con calidad A1 / Q1

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