Ruzomberok (Slovakia) Industrial WWTP - Case Study

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Courtesy of Aquaconsult Anlagenbau GmbH

Number of Tanks: 4
Total Volume: 10,000 m³
Water Depth: 4.0 m
SOTR Standard Oxygen Transfer Rate: 5,095 kgO2/h
Total Airflow: 61,680 Nm3/h
No. of AEROSTRIP® Diffusers: 3,000

Ružomberok is a city in northern Slovakia with around 30,000 inhabitants.

The local WWTP is built for 600,000 P.E. (BOD load; 700,000 P.E. hydr.). More than 95% of organic load comes from the local paper mill (Mondi SCP, a.s.).

Ružomberok WWTP relies on the quality of AEROSTRIP® since 1996.

High Efficiency & Long Life Cycle for Industrial Applications

The demand for energy efficient treatment of industrial wastewater has increased in recent years. AEROSTRIP® fine bubble diffusers can meet this requirements, even in challenging environment with high fouling potential. WWTP Ružomberok has to handle high amounts of carbonates, which have the potential to block pores of membrane diffusers.

AEROSTRIP tackles these requirements with simple but frequent maintenance procedures like blow-down cycles and dosing of acetic acid into the airflow. This is the formula for success for industrial applications.

Even under such harsh conditions, heavy duty AEROSTRIP® polyurethane membranes have a lifetime of 10 years plus. The lifespan of a diffuser body is even longer.

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