18-11: Cost/Performance Tradeoffs Among Wet, Dry and Hybrid Cooling Systems Use of Biocides

18-11: Cost/Performance Tradeoffs Among Wet, Dry and Hybrid Cooling Systems Use of BiocidesThe needs for increasing amounts of electric power and to conserve locally limited fresh water supply can sometimes come into conflict. Since power plant cooling is the major use of water in most plants, it is the choice of cooling system that frequently mediates this conflict. Traditional wet cooling systems have good efficiency and low cost but high water consumption; dry cooling virtually eliminates water consumption but at higher cost and reduced

manufacturing

This phenomenon can result in the reduced efficiency of the cooling towers it affects and create the need to replace the fill sooner than expected

the frequency of fan air flow testing to verify new or existing fan performances in cooling towers and air-cooled heat exchangers has increased

Cooling tower blowdown discharge limits for inorganic metals are being lowered more and more

more advanced techniques that may be used within reuse projects are discussed within this paper

the paper provides recommended design concepts for future reuse cooling towers where biological or hydrocarbon fouling risks are anticipated

which will allow higher cycles of concentration than standard acid and non-acid cooling water programs

and microbiological fouling

in 1898 to the present

A numerical study was conducted to evaluate design alternatives to alleviate ice accumulation at the river intake

It is helpful to group these factors into the following non-exclusive list of general considerations: (1) Mechanical Factors

and life-cycle costs