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89-02: A Chromate Replacement Program for Industrial Cooling Waters ThatThe need for a chromate zinc replacement program, which is both cost effective and easy to control, has become a must to meet restrictions related to chromate usage. Chromate replacement programs that utilize and advanced polymer technology have been developed and successfully applied in industrial cooling water systems. This paper describes results of field trials where chromate replacement is a reality and the side by side evaluation of chromate

These calculated efficiencies were compared with experimental values reported in the literature for louver type eliminators

Low levels of zinc are used to reduce the dependency on alkalinity and calcium carbonate super saturation for corrosion control

or ease of installation

wide ranges in skin temperatures

requiring significant modification of traditional treatment programs

This paper will present a study of an architectural louver enclosure and its influence on the performance of the tower when less than ideal clearances are achievable

The cooling water treatment program is designed to control CaCO3 scaling at Langelier Saturation Index values approaching +3

the use of wastewater as a source of cooling tower makeup water can result in significant corrosion

for condenser cooling as well as for ultimate heat sinks

Abstract:As fresh water becomes increasingly scarce in the United States

increasing government regulations

Our evaluation of this novel approach was based on laboratory data and on data generated in operating systems where reducing contaminants and iron deposition have limited the effectiveness of conventional chrome-zinc programs

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