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97-13: PGDP Enhances Plant RCW ReliabilityThe recirculating cooling water (RCW) system has served the Paducah Gaseous Diffusion Plant (PGDP) since 1951. Over the years, there have been changes to the system: cooling tower additions, cooling tower replacements, pump upgrades and the installation of a cathodic protection system. However, the basic system of headers and piping remains the same as the original construction. This paper will illustrate the problems experienced in a 40+ year old

or where thermal loads have been excessive for the receiving body of water

and the establishment of protective measures allowed for successful reuse of this stream at minimal risk

These assessments assist Asset Owners with the preparation of Repair Budgets and in making enlightened decisions for these critical assets which are typically the last piece of equipment taken down before an outage and the first piece of equipment brought up after an outage

This paper discusses the use of a non-phosphorous corrosion inhibitor program in alkaline conditions

actual results for the return water temperature will be compared

With the greater restrictions on drift emissions that are now required in many locales

This paper will discuss the analysis of these waters and instrumentation that allows careful monitoring to be achieved

and tentative standards for fire protection

or Biofouling

This paper outlines the air pollution aspects of water cooling towers in relation to the future trends

Discussion of effects of high efficiency filtration on bacteria

Yellow metallurgy (copper and its alloy including admiralty brass) has been widely used in heat exchangers due to its high thermal conductivity

Exchange/Return Notes