SciELO - Scientific Electronic Library Online

 
vol.37 número2Local and regional factors influencing zooplankton communities in the connected Kasseb Reservoir, TunisiaTheoretical and numerical analysis of the influence of the bottom friction formulation in free surface flow modelling índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Servicios Personalizados

Articulo

Indicadores

Links relacionados

  • En proceso de indezaciónCitado por Google
  • En proceso de indezaciónSimilares en Google

Compartir


Water SA

versión On-line ISSN 1816-7950
versión impresa ISSN 0378-4738

Resumen

MIRANDA-RIOS, M; LUNA-PABELLO, VM; ORTA DE VELASQUEZ, MT  y  BARRERA-GODINEZ, JA. Removal of Escherichia coli from biological effluents using natural and artificial mineral aggregates. Water SA [online]. 2011, vol.37, n.2, pp.213-220. ISSN 1816-7950.

Ability for disinfecting sterile biological effluents inoculated with Escherichia coli ATCC 25922 at concentrations of 105 CFU/mℓ, using a natural mineral aggregate (NMA) and artificial mineral aggregates (AMA's) consisting of individual oxides as FeO, CuO y Ag2O and combined oxides as Fe2O3-Cu2O, Fe2O3-Ag2O, Cu2O-Ag2O, Fe2O3-Cu2O-Ag2O, contained alginate beads, was compared. The results indicate that Ag2O and Fe2O3-Ag2O, Cu2O-Ag2O combinations, as well as NMA, inactivated 100% of E. coli in 30 min, whereas the oxides mixture, Fe2O3-Cu2O-Ag2O, took 13 min. It was observed that redox potential values were closely related to the disinfection level achieved. The advantage resulting from using alginate beads was that these allow the formation of AMA, which has higher disinfectant ability relative to NMA.

Palabras clave : disinfection; biological effluent; Fe2O3; Cu2O and Ag2O; alginate beads; Escherichia coli; natural mineral aggregate; artificial mineral aggregate.

        · texto en Inglés     · Inglés ( pdf )

 

Creative Commons License Todo el contenido de esta revista, excepto dónde está identificado, está bajo una Licencia Creative Commons