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Digester Tank Construction
Mike Sadowski, Wastewater Plant Manager. plant is now able to capture the biogas produced
from the digester tanks and turn it into a renewable
The primary objective of the project was to address energy source where it can be run through the plant
the capacity concerns associated with the digester boiler system instead of using natural gas,” says
process area. Adding a fourth digester tank provided Lacny.
the plant additional capacity and because the
digester process area is linked to the plant heating Finally, the project upgraded the existing biogas
system, there was a great opportunity to improve flare system to now include two enclosed flare
the heating system for the entire plant. stacks which allows for excess biogas to be
efficiently flared off to the atmosphere.
The project also addressed the concern surrounding
the excess biogas that was already being produced “With this being the only wastewater treatment
at the plant. “After completing this upgrade, the plant for the City of Saskatoon, all citizens will
72 OCT 2022 | BUSINESS ELITE CANADA
