Biological wastewater treatment plant with high pollutant removal efficiency, fully transportable in containers (20-40 feet), modular from 1000 to 5000 population equivalent, pre-assembled and with low energy consumption. 

The plant consists of :

• accumulation-pre-treatment tank in container with air diffusers

• prefabricated polyethylene tank with lifting pumps to adapt to the level of water discharge

• Mechanical pre-treatment compartment : screening, sand removal, oil removal, etc.

• Two-stage, high-performance, total oxidation biological section with limited production of surplus sludge, first stage MBBR, second stage total oxidation

• Lamellar decanter

• Filtration of purified water on sand filters

• Sludge treatment in static thickener and dewatering on filter press

• UV disinfection

The water treatment tanks are made up of modular containers completely pre-assembled with the equipment inside them. For the installation is necessary only a support surface and the hydraulic connection of the different sections of the system. Electricity consumption is about 2.1 kWh per kilogram of BOD removed per day.