Phosphorous compounds and zinc are used as additives in
Chapter 12, Problem 12.7D(choose chapter or problem)
Phosphorous compounds and zinc are used as additives in larger cooling tower systems to control corrosion and deposition of solids. Regulations are emerging that will limit the use of phosphorous compounds in these systems, especially those discharging process water directly to public waterways. Write a report explaining how cooling towers are maintained. Include relevant chemistry and explore how corrosion and deposition are currently controlled. Examine emerging regulations and describe ways by which new and existing designs will need to be modified to comply with new regulations. Include in your report at least three references.
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