Heat Exchangers (Limescale & Biofouling)

A major issue is limescale on the heat exchangers, which reduces cooling efficiency and requires ongoing maintenance expenses.

Treatment with HydroFLOW can prevent hard scale encrustation in the heat exchanger and on the tower and reduce biofouling. This allows operation with lower (or zero) chemical treatment and higher cycles of concentration, reducing the money spent on sewage and drain down as well as chemical treatment.

HydroFLOW can assist not only with treatment and prevention of limescale, but also with eradication of unwanted biological deposits, known as biofouling. Biofouling refers to the problem of biological material such as bacteria collecting on the surface of equipment and impeding its operation. Commonly bacteria cling to surfaces in a gelatinous layer, which among other problems, can impede heat transfer and reduce efficiency.


Biofouling is particularly a problem in food production or in other industries dealing with biological material (such as paper production), or in cooling systems operating on naturally sourced water from the sea or rivers. HYDROPATH’s patented technology can remove existing biofouling in heat exchangers and pipework and prevent its reoccurrence, saving time and money on maintenance and cleaning.

Heat Exchangers (Limescale & Biofouling) Product Brochure
Summary of Benefits
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