In fluidized bed reactors, cells are immobilized on small particles that move with the fluid. These particles provide a large surface area for microbial attachment and enable efficient transfer of oxygen and nutrients. FBBR systems are ideal for high-viscosity substrates and continuous reaction processes involving gaseous substrates or products. The treatment process consists of four stages: Preliminary, Primary, Secondary, and Tertiary treatment.
In this stage, materials such as polyethenes, paper, fibers, vegetable waste, edible particles, grit, and oil/grease are removed using bar screening chambers and oil-trapping units located in the equalization sump.
Chemical treatment is performed to adjust the pH levels. Chemical dosing is optional and depends on the characteristics of the raw water received.
Removal of organic matter and suspended solids occurs through biological decomposition and clarification using advanced attached-growth biological technology. Biological action takes place in the aeration tank and tube settlers, after which clarified water flows to the chlorine contact tank.
Water from the chlorine dosing tank is allowed to settle in the buffer tank. From the buffer tank, it is pumped through sand and carbon filters for final polishing and treatment.