87-14: Corrosive Water - A Brazilian Reality Manual For many years PVC film

For many years PVC film fills have been the most popular choice of heat transfer media for use in cooling towers

few seem to know what they are really getting when they specify preservative treatment in terms of actual protection against wood decay

In dry mode

their configuration

87-14: Corrosive Water - A Brazilian Reality Manual For many years PVC filmIn Brazil, for the majority of open recirculating systems, make up water contains a low dissolved solids index and its main contaminants are aluminum and iron. The first one derives from raw water clarification process leakage; the latter may have the same origin and or may be a product of equipment and lines corrosion. Iron and aluminum form a compound of low solubility product that may seriously affect the heat transfer. Considering these