Ben Tre Seafood Wastewater Treatment System
Garbage screen: Recover shredded meat, head, fish bones present in the inlet stream.
Collection tank: Collect all the wastewater on the channel leading to the treatment system.
Equalization tank: Stabilize flow, contaminant concentration, pH. Preliminary ventilation to avoid anaerobic decomposition causing odors.
Pressure flotation tank: Separation of grease mixed in wastewater in two forms of “suspension and suspended sediment” by the DAF pneumatic method to float suspended particles to create surface grease. Surface degreasing by a degreaser reduces the contaminant concentration eligible for the biological treatment stage.
Aerotank tank: Using activated sludge suspended with specific microorganisms for aerobic decomposition.
The inlet air is boosted by a high-powered blower through a system of air diffusers at the bottom of the tank. Here, organic substances harmful to the environment will be used by aerobic microorganisms as a food source to build their cells, the products of this process are mainly CO2 and microbial biomass.
Sedimentation tank: Separation of activated sludge, collecting clear water after biological treatment. The amount of sludge generated is partly circulated to Aerobic, excess sludge is brought to the sludge compaction tank.
Pressure filtration: Ensure the clarity of the water after treatment.
Disinfection tank: In contact with Chlorine to completely destroy Coliforms and other pathogenic bacteria, the treated water meets environmental standards and is discharged into the receiving source.
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