Enhanced Phosphorus Removal in a Waste Stabilization Pond System With Blast Furnace Slag Filters

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  • Autor: Camargo Valero, Miller Alonso; Mara, David Duncan
  • Título: Enhanced Phosphorus Removal in a Waste Stabilization Pond System With Blast Furnace Slag Filters
  • Publicación original: 2007
  • Descripción física: PDF
  • Nota general:
    • In this work a tertiary horizontal-flow blast furnace slag (BFS) filter was tested for phosphorus removal under laboratory and field conditions. Laboratory experiments were conducted in a bench-scale BFS filter for phosphorus adsorption capacity at equilibrium conditions using P-spiked water. On-site, the performance of a pilot-scale BFS filter was monitored for phosphorus removal from the final effluent of a pilot-scale WSP system located in Esholt (Bradford, UK), which comprises a primary facultative pond and a secondary aerated rock filter (ARF) in series.
      Adsorption capacity (q) results showed that BFS has high affinity for inorganic P species and it can remove up to 30 g P/kg BFS; however, q values are strongly dependent on the initial P concentration. The pilot-scale BFS filter tested on-site performed better for longer (<2 mg P/L) than the laboratory-scale filter, even though despite the latter received the same hydraulic and P loadings (1.8 m3/m3 d and 18 g P/m3 d, respectively). Both the laboratory and field results showed that BFS filters are an appropriate low-cost technology to upgrading small wastewater treatment systems for phosphorus removal.
  • Notas de reproducción original: Digitalización realizada por la Biblioteca Virtual del Banco de la República (Colombia)
  • Notas:
    • Resumen: Blast furnace slag filter; Domestic wastewater; Phosphorus removal; Waste stabilization ponds
    • © Derechos reservados del autor
    • Colfuturo
  • Forma/género: texto
  • Idioma: inglés
  • Institución origen: Biblioteca Virtual del Banco de la República
  • Materias:

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