A robust and stable granule bed of more than 8 g L−1 was formed and maintained with an SVI5 of 45 mL g−1.
The energy usage was 13.9 kWh (PE150, removed year)−1.
The volume needed for the AGS plant was 33% lower than the existing CAS plant.
Maximum volumetric conversion rates for N and P were 0.17 and 0.24 kg (m3 d)−1 respectively.