ARA Birs - Birsfelden, BL, Switzerland
Posted by: 
fi67
N 47° 32.569 E 007° 37.438
32T E 396451 N 5266405
The biggest wastewater treatment facility in the Canton Basel-Land.
Waymark Code: WM9KW7
Location: Basel Landschaft, Switzerland
Date Posted: 08/31/2010
Views: 6
ARA Birs was built in 2007 for CHF 50 mio. It replaces the older facilities Birs 1 in Reinach (built 1964) and Birs 2 in Birsfelden (1977). It handles the wastewater produced in the lower Canton Basel-Land, an area of 80,000 inhabitants.
The fermentation gas is used to create electrical energy and heat for the neighborhood.
What is the capacity of the facility?: Peak capacitiy is the equivalent wastage of 150,000 people (no other unit mentioned)
Describe the biological treatment technology used.:
Sequencing Batch Reactor
How are biosolids (sludge) managed?: drying beds
What technology is used for disinfection prior to dicharge of treated water?: unknown
Who is the owner/operator fo the facility?: Bau- und Umweltschutzdirektion Kanton Basel-Landschaft
How is the facility governed?: Canton of Basel-Land
What is the website of the WWTP?: [Web Link]
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Visit Instructions:
Please post at least 2 original photographs of the site. We would much rather see photos of the plant itself as opposed to the front office, but we also understand that security and site layout may limit your opportunities.
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