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