12-02: A Synergistic Combination of Advanced Separation and Chemical Scale Cooling Tower Water Blowdown TreatmentWater is essential to thermoelectric power plants, used primarily for cooling. Using impaired water in place of freshwater is a potentially attractive solution to the problems of water scarcity and competing demands. Nalco was awarded DOE grant to develop a cost effective integrated solution (chemical and physical) for the use of impaired water and maximize the cycles of concentration. Argon National Laboratories under CRADA demonstrated the use of ED
and the limited distribution of this report
we will review the advantage from being able to run at higher cycles of concentration
The resistance increases by a factor up to 25 if stagnant film temperature and pressure allows gas evolution to be trapped in the film
Evaporative cooling towers serve the heat rejection needs of a wide variety of industries
The cleaning and diversion while maintaining tower operation and plant operation has never before been attempted anywhere in Canada and is possible the first ever done anywhere in the world
Nalco was awarded DOE grant to develop a cost-effective integrated solution (chemical and physical) for the use of impaired water and maximize the cycles of concentration
Legislation has been tailored to ban the discharge of toxic materials into streams and water ways
For given ambient conditions
Plants faced with severe effluent restrictions have looked to high cycle or zero-blowdown is discussed in light of current phosphonate/polymer technology and a newly developed non-phosphorus scale control additive
Several aspects of sustainability apply to cooling systems
natural draft cooling tower
a new corrosion inhibitor will be presented that provides a single-component replacement for the aforementioned dual-component system
