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Contents Introduction. 3 Valve automation solution. 4 System overview. 6 LINAK® actuators in wastewater treatment applications. 8 Treatment phases. 8 Preliminary treatment. 8 Primary treatment. 10 Secondary treatment. 10 Tertiary treatment. 10 Sludge treatment and biogas utilisation. 12 The importance of automation . 17 2

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Introduction This catalogue is designed for wastewater professionals to give inspiration to and guidance on how LINAK® electric actuators can help automate various valve solutions in wastewater treatment. For LINAK it is very important to talk to wastewater treatment professionals about how their daily work could be improved through automation. The knowledge shared in this catalogue is accumulated from projects and cooperation that LINAK has had with local wastewater treatment plants, valve manufacturers and consulting engineers. Today energy positive wastewater treatment is possible. With innovative technology “waste” can be transformed into a valuable green resource in the form of power, heating, and fertiliser. Automation plays a vital role in efficient wastewater management, and LINAK solutions support these processes. Contact us Your local LINAK contact is ready to help. Feel free to contact us. 3

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