Cooling Tower Water Treatment Chemicals Pdf
Audit and assessment cooling water pretreatment chemical applications monitoring before effective treatment can be provided a thorough assessment of conditions in your cooling water system must be made.
Cooling tower water treatment chemicals pdf. Drift eliminators are installed to prevent water entrained in the air from leaving the system. Lab result shows existence of legionella more than 1 one c f u s the contractor shall immediately treat the cooling tower water and test every 15 days until the full recovery of 0 zero c f u s. There are lots of advantages when industries or companies are using cooling water tower system. Even with the best chemical treatment program impurities in the cooling tower can only be allowed to accumulate to a certain level before the scaling potential overwhelms the chemical treatment.
Dipslides must be incubated at 35 c for 48 hours. You might want to read. Required on each cooling tower. If cooling tower water is untreated fouling scaling organic compound and corrosion can form and that reduces plant productivity.
Basic cooling water treatment treatment can be divided into four steps. All cooling tower discharges must be in accordance with applicable state local or federal rules and regulations. Water treatment the purpose of a cooling tower is to remove the heat generated by an hvac system cooling of compressor refrigerant and heat generated by the compressor itself. Water treatment chemicals utilized for cooling tower systems which contain molybdenum are prohibited in the jea sanitary sewer.
Experienced field engineers backed. 5 4 chilled system treatment 33 6. Cooling towers and treatment 6 1 chemical feed equipment 34 6 2 calculation of cooling tower treatment and blowdown. Operation and maintenance of cooling towers must be in accordance with.
By fans into the cooling tower and up through the flow of falling water in the cooling tower. Cooling is accomplished through the latent heat of vaporization. For legionella emergency disinfection purposes an initial 50 ppm. Treatment chemicals for high medium low capacity cooling towers.
35 6 3 treatment for scale control 36 6 4 treatment for corrosion control 37 6 5 blowdown 38 6 6 treatment to control algae and slime growths 38. The term induced draft denotes that air is drawn by fans through the flow of falling water and up and out of the cooling tower. Thus that s all the chemicals used in cooling tower water treatment. For each pound 121 gallons of water that a cooling tower evaporates it removes about 1 000.
Water quality guidelines water treatment a proper water treatment program administered under the supervision of a competent water treatment specialist is an essential part of routine maintenance to ensure the safe operation and longevity of evaporative cooling equipment as well as other system components. Cooling water tower system benefits.