●   Nitrogen removal and recovery from main and solids treatment line 

●   Phosphorous removal and recovery

●   Nutrient removal and recovery (NRR) technologies for low C/N wastewater

●   Carbon management for nutrient removal and nutrient & energy recovery

●   Modelling, optimization and control of NRR and full plant flowsheets especially considering different C/N/P ratios and inerts

●   Energy saving and economic consideration of NRR processes

●   Regulatory optimization/improvement for upgrade of NRR processes

●   Nutrient polishing of secondary effluents and/or its interface with water reuse