Integrated fixed film activated sludge system
The ELIQUO HYDROK IFAS™ (Integrated Fixed-Film Activated Sludge) system utilises Biotextil Cleartec media for the growth of biomass for the treatment of effluent.
Biotextil Cleartec is a 100% polypropylene product that creates a large specific surface area for biomass growth. The construction of the material permits good oxygen supply and prevents excessive growth of thick layers of biomass thus maintaining the optimum efficiency of the process.
The systems offer even further treatment efficiencies when used in conjunction with Aquaconsult AEROSTRIP® Fine Bubble Diffused Aeration (FBDA) diffusers.
Biotextil Cleartec curtains are housed in a removable frame, and set parallel to the flow. The configuration allows for flexibility and movement within the flow of the tank.
The diffusers should be as close to the base as possible, with the Biotextil Cleartec curtains positioned ideally 40-60cm above the diffusers.
The curtains are set to allow the flow to pass between them horizontally, with the diffusers creating a vertical flow. As a result the curtains are in constant motion and if thicker active sludge layers should attempt to settle on the material these are shaken off and removed as a result of the movement. This 'shedding' process prevents blockages and maintains optimum efficiencies and minimum energy requirements.
ELIQUO HYDROK can construct a bespoke cage system that incorporates both elements, allowing them to be lifted for routine maintenance without interfering with the operational activity of the plant.