Levapor carriers-based aerobic biological wastewater treatment solutions are offered as IFAS (Integrated Fixed Film Activated Sludge) process configuration. In this process configuration, MLSS is also kept in the suspended phase along with Levapor carriers using RAS (Returned Activated Sludge) as practiced in the conventional activated sludge process. This combination of both suspended growth and attached growth process makes Levapor IFAS a truly hybrid process bringing advantages of both attached growth and suspended growth processes.
Salient Features of Levapor IFAS Hybrid Process:
- Lower degree of carriers filling (12 to 15 % of reactor volume)
- The same flow sheet and operational philosophy as the conventional activated sludge process
- Higher volumetric loading
- Can be configured with almost any of the conventional activated sludge process configurations including CAS, A2O, Bardenpho, Step Feed, Plug Flow, Oxidation Ditch Pond, etc.
- Very high amount of active biomass (18-25 kg/m3 of media)
Benefits of Levapor IFAS Hybrid Process:
- Higher process stability against toxic shock loads
- Can be operated on a wide range of operating conditions for qualitative and quantitative fluctuations of wastewater.
- Better settling properties of MLSS and clarifier efficiencies
- Higher level of Simultaneous Nitrification and Denitrification (SNDN) resulting lower energy consumption for BNR
- Smaller foot print compared to conventional activated sludge and MBBR
Amit Christian is a MSc graduate in Environment Science from Middlesex University, London, UK. He has been active in the field of water and wastewater treatment since 1998. He specializes in design, engineering, and management of various biological wastewater treatments such as Activated Sludge Process (ASP), Sequencing Batch Reactor (SBR), Moving Bed Bio Reactor (MBBR), Integrated Fixed Film Activated Sludge (IFAS). He has helped various Industrial and Municipal clients in troubleshooting , optimizing their biological wastewater treatment processes to achieve latest Stringent norms for Ammonia Removal.
