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Raymond Post presents at WEEC

Raymond Post presents at WEEC

The World Energy Engineering Congress is the largest energy conference and technology expo in the US, and we are proud to have Ray Post presenting during the More Efficient Water Treatment Systems session. Ray will be discussing the paper, “The Development and Application of Non-Phosphorus Corrosion Inhibitors for Cooling Water systems” and the performance advantages of these chemistries. 

 

The Development and Application of Non-Phosphorus Corrosion Inhibitors for Cooling Water Systems

 

Raymond M. Post, P.E.    Director, of Cooling Water Technology

Rajendra P. Kalakodimi, Ph.D.  Director of Research 

Abstract

Phosphate based cooling water treatment programs emerged as the cooling water technology of choice when chromate and zinc based corrosion inhibitors were phased out some 35 years ago.  At the time, the industry was certainly aware of the many concerns associated with phosphorus treatment, particularly the difficulty of precisely controlling the program to avoid forming deposits in hot heat exchangers.  Phosphate-based chemistries also promote algae growth on cooling towers and ponds, resulting in increased chlorine and biocide usage. In the natural environment, phosphate pollution promotes harmful algal blooms (HAB), eutrophication, and production of undesirable chlorinated byproducts formed by reactions with organic matter during disinfection of potable water supplies.  Environmental regulations are increasingly limiting phosphorous discharge due to its role as an aquatic nutrient in eutrophication.  This paper describes the development and application of environmentally friendly corrosion inhibitors that exceed the performance of phosphate in terms of reduced fouling potential, ability to passivate rusted surfaces, passive film persistency, and inhibition of stainless steel pitting and stress corrosion cracking.  The results of electrochemical studies and industrial applications of these phosphate-free corrosion inhibitors are discussed.

What:  World Energy Engineering Congress

Where:  Atlanta, GA

Georgia World Congress Center

When: September 27-29

Register to attend: World Energy Engineering Congress

 

 



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