Dairygold plc.
- Cork, Ireland

• Client: Dairygold plc., Ireland
• Size: 400,000 Population Equivalent (12,000 m³/d)
• Final Quality:
  • BOD₅ = 5mg/l,
  • Total N = 15 mg/l (88% reduction),
  • TSS = 10 mg/l,
  • PO-P₄ = 0.4 mg/l (99.5% reduction)
• Scope: Provision of nutrient removal system using Best Available Technology
  
• Process:
  
  • Inlet balancing, pH correction, DAF, HR anaerobic digestion, diffused aeration, BNR upgrade using AAO, continuously backwashed filtration with upstream coagulation for PO₄ polishing, sludge thickening anaerobic digestion, dewatering.
• Date:
  • Stage 1: 2006,
  • Stage 2: 2007,
  • Stage 3: 2007,
  • Stage 4: Ongoing
• Reference: Available Upon Request