engleski

BIOCOS® wastewater treatment plant Našice:from start-up to stabel operation

The ongoing population growth and economic development represent a challenge regarding the environmental protection. With the increase of water consumption, the wastewater amount is subsequently increasing. Before being discharged into natural recipients, the wastewater undergoes treatment at the wastewater treatment plants. The wastewater treatment plant of the city of Našice uses BIOCOS® (Biological Combined System) technology, which represents an improvement of the conventional activated sludge technology and is the only example of this technology for 15 000 PE agglomeration in the Republic of Croatia. The main difference between the conventional activated sludge system and BIOCOS® is the activated sludge – water separation process and the sludge recycle. The need for secondary clarifier and return-sludge pumping station is avoided in BIOCOS® system, while their function is taken by the circulation and settling tank connected to aeration tank and blowers. This paper gives a detailed overview of the BIOCOS® technology and wastewater treatment plant performance from its start-up to its stable operation by monitoring the basic process parameters.

BIOCOS® (Biological Combined System) technology; waste water treatment

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