A50 -- Water Treatment: Deposition, Corrosion, Fouling, and Biological Control (SI)

This chapter covers the fundamentals of water treatment. It provides guidance on the treatment of water and water-based fluids used in heating, air-conditioning, refrigeration, and process systems, with a focus on the control of corrosion, scale, fouling, and biological growth. Proper treatment improves the performance and energy efficiency of these systems while helping to protect human health and safety. Water treatment also extends the life of equipment in both open- and closed-loop systems. In addition, water treatment can help conserve water resources as well as enable the use of alternative sources of water. All of these benefits help to promote a healthier, more sustainable environment. WATER QUALITY AND ITS SOURCES Water Characteristics Water Sources WATER TREATMENT Control Corrosion and Corrosion Control Biological Growth Control Nonchemical and Physical Water Treatment Methods Water Systems TERMINOLOGY