Sidestream filtration is an add-on technology used to improve the efficiency and performance of cooling towers.
Cooling towers can accumulate impurities like suspended solids, organic material, and silt particles over time. This build-up can lead to several issues, including:
Fouling from impurities hinders the tower’s ability to transfer heat from water to air, impacting cooling efficiency.
These issues can damage the tower’s components and reduce its lifespan.
Dirty water can provide a breeding ground for bacteria like Legionella, posing health risks.
Sidestream filtration systems continuously extract a portion (side stream) of the circulating water from the cooling tower loop. This side stream is then passed through a filtration unit, which removes the impurities before returning the clean water back to the main loop.
Cleaner water means better heat transfer, leading to more efficient cooling and potentially lower energy consumption.
By preventing scaling and corrosion, sidestream filtration can minimise the need for cleaning and maintenance of the cooling tower.
A cleaner system reduces wear and tear on the tower’s components, potentially extending its lifespan.
Since sidestream filtration only treats a portion of the water, it uses significantly less water compared to traditional blowdown methods for removing impurities.
Lower water consumption and less chemical usage for cleaning contribute to a more sustainable operation.
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