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Exhaust air purification plant for the reduction of hydrogen sulfide (H2S)

Emscher sewer system (Emschergenossenschaft)

Ressources: Municipal wastewater, Air

Flow rate: 5.000-50.000 (m3/h)

Pollutants: Odors, H₂S

Processes: UV oxidation

In operation since: Oct 2018

KF Company: uviblox GmbH

Emscher Bild (2)

Background Information

Together with the Lippeverband (LV), the Emschergenossenschaft (EG) forms the largest wastewater utility in Germany. Within the scope of the new construction project of the Emscher sewer system (AKE), the requirement was to reduce the hydrogen sulfide (H2S) concentration in the air of the sewer by exhaust air extraction. In the exhaust air resulting from this process, the odor potentials typical for wastewater are present. In order to avoid odor nuisance in the surrounding area, the entire first construction phase of the Emscher sewer, over a length of 26 km, was equipped with 31 UV systems from uviblox GmbH for exhaust air purification at 24 locations. By the process of photo oxidation, our systems successfully remove unpleasant odors and H2S from the exhaust air.

Exhaust air treatment plants uviblox® FOX

The exhaust air is freed from aerosols and suspended matter by upstream droplet separators and particle filters. This serves to protect the downstream UV stage and avoids contamination by solids and liquid droplets. The pre-cleaned exhaust air then enters the UV reactor, where the pollutants and odours are broken down by photo-oxidation. A downstream residual ozone destroyer supports the elimination of odorous substances and prevents excess ozone from leaving the exhaust air purification system.

The purified exhaust air is discharged into the environment via a chimney and meets the required clean gas values of < 200 GE/m³. The plants were built in modular design with 12,500 Nm³/h and 25,000 Nm³/h. The stainless steel housing allows for outdoor installation. The compact design results in a very low space requirement. The use of modern ICA technology enables the monitoring and control of the plants from the central control room.

Contact person at uviblox GmbH

Do you have any questions about our services. Then we look forward to your contact request!

Gunnar Goßmann
Project Manager & After Sales