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DirectoryEnergy & EnvironmentWaste Management IndustryAarwangenZALA AG
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ZALA AG

Summary

About the company

The core activity of ZALA AG is wastewater treatment. The company operates a central wastewater treatment plant (ARA) at its site in Aarwangen, the ARA Eymatte, and is responsible for wastewater treatment for 20 municipalities in the Oberaargau region.

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Waste Management Industry
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Wastewater treatment
Wastewater treatment for 20 municipalities in Oberaargau, operated via the central WWTP Eymatte in Aarwangen with mechanical, biological and stormwater treatment as well as sludge dewatering.
Operation of a central WWTP
Operation of the WWTP Eymatte with screening plant, sand and grease trap, aeration tanks, final clarifier tanks, stormwater treatment, sludge dewatering and odour removal.
Stormwater treatment
Stormwater treatment during heavy rainfall with stormwater basins and return of the retained wastewater for later treatment in the WWTP.
Sludge dewatering
Sludge dewatering of surplus sludge produced in the treatment process using stacking basins, centrifuges and discharge for incineration.
Odour removal
Odour removal via an exhaust air treatment system with scrubber stage and biofilter for odour-contaminated areas of the WWTP.

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Location

Wynaustrasse 91
4912 Aarwangen

At a glance

Legal form
Corporation
UID
CHE-101.176.984
Founded
2000 · 26 years
Last commercial register change
May 5, 2023
Employees
1 to 10

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