Sandalls, C. and Baloch, I., Southern Water, UK
(free)The new Phosphorus limits comes with an Iron permit. Iron Look Up table limit (typical 4 mg/l) and Upper Tier Limit (8 mg/l)
• Challenge existing assets
• what can we achieve with which assets (and for how long?)
• Identify the effect that low TP (0.3) has on nitrification processes
• When do we start to put ammonia permit at risk and why?
• Identify the effect that low TP (0.4) has on denitrification processes
• When do we start to put TN permit at risk and why?
• Determine low TP (0.25) performance of previously untested TT technology
• Will the units remove enough solids to comply with low TP permit?
• Determine Low TP (0.3) performance without TT
• How low can we go with multiple point dosing?
• Where is best to dose and which proportion?
✓ Improve specifications and design for low TP
✓ Understanding of residual risk (pushing the limits)
Aqua Enviro Ltd
T: 0113 8730728
c/o Tidal Accounting, HQ Offices, Radley House, Richardshaw Road, Leeds, West Yorkshire, LS28 6LE