Another phenomenon requiring treatment in cooling towers is mineral buildup. Minerals such as calcium and magnesium, which are common dissolved solids in water, are deposited by two different mechanisms, thermal and biological. As the water in a tower evaporates, dissolved solids concentrate in the recirculating water. Biofilms also start to form on the walls and other components of the tower. In essence, the biofilm acts as an adherent for mineral micro-crystals. Over time, deposition of organic and inorganic matter increases scale thickness. One operating concern of a cooling tower is the gradual corrosion of various parts of the tower. Much of the corrosion in cooling towers is associated with bacteria that create conditions favoring micro-biologically induced corrosion.
What are the Problems?
A CHEMICAL-FREE solution to these problems is achieved by using a combination of deploying electronically generated copper alloy ions into the water, oxidation and polarization of the minerals in the water, and a filtration system specifically designed to remove the biological residues and dissolved solids from the water.
