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Located in Zaragoza Aragón, Spain See on Google Maps
Cariñena Waste Water Treatment Plant

General Information

  • Entity: Aragon General Provincial Council
  • Location: Zaragoza, Spain
  • Population: 25,333 eq/inhab
  • Flow: 1,600 m3/day

Key points - Treatment

  • Pre-breakdown
  • Raw water pumping
  • 1 mm pitch solids sieving
  • Sand/silt trapping-grease trapping in channel
  • Longitudinal aerating, sand/silt clarifier and grease concentrating
  • 315 m3 discharge homogenising pond with mechanical stirring
  • Physical-chemical treatment (mix and flocculation) with addition of CI3 Fe
  • Primary settling of 10 m diameter
  • Carousel type biological reactor of 2,520 m3
  • Aeration by means of ceramic diffusers and blowers
  • Secondary settling in a 13 m diameter unit
  • Recirculation and excess sludge pumping
  • Forebay
  • 8 m diameter gravity thickening
  • Gravity thickening in a ø 8 m unit
  • Band filter conditioning and dehydration
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