4.4 Article

Grey water treatment at a sports centre for reuse in irrigation: A case study

Journal

ENVIRONMENTAL TECHNOLOGY
Volume 34, Issue 11, Pages 1385-1392

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/09593330.2012.750382

Keywords

biological treatment; grey water; irrigation; sequencing batch reactor; reuse

Funding

  1. Spanish Government [CONSOLIDER-CSD2007-00055]
  2. University of Girona (BR)

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Grey water has long been considered a promising option for dealing with water scarcity and reuse. However, factors such as lack of macronutrients and low carbon content make its treatment challenging. The aim of this paper was to investigate the applicability of sequencing batch reactor (SBR) technology to on-site grey water treatment at a sports centre for reuse in irrigation. The results demonstrated that the regenerated water complied with microbiological parameters concerning restriction of solids and organic matter removal. Denitrification was not fully accomplished, but ammonium was totally oxidised and low concentrations of nitrates were achieved. Effluent with good appearance and no odour was used in an experimental study to irrigate a grid system containing natural and artificial grass sections. The conclusion is that SBR technology offers a promising treatment for grey water.

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