Case Studies


Lackeby Heat Exchanger air/water installation
Ryaverket, Gothenburg, Sweden

1995 Ryaverket was rebuilt and by this time 3 pcs. of Lackeby Heat Exchanger air/water type HAW 500-36 was installated. The calculated energy recovery was 120 kW per unit.
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Lackeby Roto-Sieve drum screen installation
Perthes En Gatians, France

Experience regarding the difference in performance between 1 mm perforated holes and 1 mm slots in membrane protection application.
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White Paper including Lackeby Roto-Sieve drum screen:

The Planning and Design Journey from Septic Tanks to Water Reclamation Utilizing MBR/UV Technology

The Carnation Wastewater Treatment Facility produces “unrestricted use” Class A reclaimed water quality in the Puget Sound region of Washington State. The process of providing a treatment facility and associated discharge in a city with inadequate onsite wastewater treatment systems has taken several attempts and decades to accomplish. Despite its relatively small size, this project’s success has required extensive coordination, complex stakeholder outreach, flexible and innovative design, and establishment of key partnerships.

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