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Aerial photo of the WWTP of Rya

About Gryaab

About Gryaab

Gryaab, the regional sewage works of the Gothenburg region in Sweden.

The WWTP of Rya (one of the two WWTP:s of Gryaab) is one of the largest WWTP:s in all of Scandinavia.
Gryaab treats wastewater from its joint owners, the municipalities of Ale, Göteborg, Härryda, Kungälv, Mölndal and Partille on the Swedish west coast.

Gryaab also operates a 120 km long tunnel system, which transports wastewater from within the region to the Rya WWTP.

If You want to read more about Gryaab, the treatment and the results of 2010, please read Clean facts about Gryaab och Fact sheet below.

Now you can download our new brochure: Gryaab´s Improved Removal of Nitrogen and Phosphorous  
pdf Clean facts about Gryaab
(Öppnas i nytt fönster)
pdf Fact sheet 2010
(Öppnas i nytt fönster)
pdf Gryaab's Improved Removal of Nitrogen and Phosphorous
(Öppnas i nytt fönster)
Klicka för utskriftsvänlig sidaUtskriftsversion (Öppnas i nytt fönster)

did you know?
that H2O stands for water?  
Gryaab AB - Box 8984, S - 402 74 GÖTEBORG, Tel växel 031-64 74 00, info@gryaab.se