Method for controlling legionella in cooling towers
OwnerJohn Coffeyinventor
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Abstract
A method of controlling Legionella bacteria in cooling water systems is described. The method involves the heating of recirculating cooling water to temperatures of 70° C. for sufficient time to kill the bacteria. The method functions best in combination with chemical bactericides.
Claims14
A method of controlling Legionella by operating a cooling water system for a fluid conditioning plant comprising at least every 10 days heating the recirculating cooling water to an elevated temperature of at least 60° C. for a predetermined time, wherein heat sensitive heat rejecting equipment is isolated from the heated recirculating cooling water.
A method of controlling Legionella in operating a cooling water system for a fluid conditioning plant comprising heating a minor portion of the recirculating cooling water to an elevated temperature of at least 60° C. for a predetermined time by means of a bypass heating system.
Dependencies are inferred from the claim text.