Ziye Dai, Innovation Technical Expert, Severn Trent Water, UK
(free)o Spernal R2IC
80,000 PE
ASPs receive domestic sewage and centrate
o In-line process monitoring
COD of settled wastewater
Dissolved N2O at the distribution chamber, anoxic zone, pass 1 and pass 2 in the aeration zone
NH4 -N at the distribution chamber, Pass 1, the end of Lane 1
NO3 -N at the end of Lane 1
o Parameters obtained
COD, NH4 -N and NO3 -N (in RAS) Load
Dissolved N2O
N2O emissions from aerobic zones
NH4 -N removals
Aqua Enviro Ltd
T: 0113 8730728
c/o Tidal Accounting, HQ Offices, Radley House, Richardshaw Road, Leeds, West Yorkshire, LS28 6LE