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Your Cooling Tower Project on Time, on Budget |
David Suptic, David M. Suptic, P.E. LLC |
2010 |
| Abstract: The successful completion of cooling tower construction and repair projects depends on the proper execution of many activities at the proper time. The paper describes the importance of applying professional project management knowledge to help identify and reduce the risks inherent in all complex projects. Following the principles contained in the “project management body of knowledge” will insure your cooling tower project achieves “on time, on budget” performance. |
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Complex Structural Analysis Simplifies Repair Phasing In Restoration Of Hyperbolic Cooling Towers |
Narendra Gosain, Ph.D., P.E. and Farouk Mahama, Ph.D., Walter P. Moore And Associates, Inc. |
2010 |
| Abstract: Concrete hyperbolic cooling towers built three to four decades back which have exposure to corrosion causing chlorides are susceptible to deterioration over a period of time. Such cooling towers are thin shell structures compared to their geometric proportions. As such, when a large areas of concrete gets removed from such structures during the repair work, their structural integrity may be compromised when subjected to lateral loads due to hurricanes and earthquakes. For the repair work to proceed in an efficient and safe manner, concrete removal and replacement must follow certain protocols determined using some complex structural analytical techniques. |
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Automated Feed of Patented Aseptrol CW Oxidizing Biocide Provides "Best Practice" In Delivery Of Chlorine Dioxide to Small-Scale Systems |
Keith Hirsch, BASF Corporation; John Byrne and Richard McCaffrey, BASF Catalysts, LLC |
2010 |
| Abstract: This paper describes a new Aseptrol ClO2 delivery system that is capable of at least two months of unattended operation in small-to-medium-size cooling systems up to 30,000 gallons in capacity. Multiple safety features have been incorporated into the feeder to significantly minimize the risk of exposure to chlorine dioxide. Results from field trials will be reported in which Aseptrol biocide was dosed into cooling systems via this feeder, allowing for the effective control of microbiological (MB) growth, especially biofilm. Trial data showing MB counts, ATP data, Aseptrol biocide feed rates, ClO2 residuals, and corrosion rates will be presented. Additionally, performance data from field trials will be presented that compares efficacy and cooling system operation during treatment with Aseptrol biocide to baseline data collected during treatment with other biocides. |
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A Systematic Approach To Performing, Documenting And Reporting Inspections Of Field Erected Cooling Towers |
Casey Yurkovitch, GEA Power Cooling, Inc. and Philip Poll, OBR Cooling Towers, Inc. |
2010 |
| Abstract: A systematic approach is applied to the inspection of field erected cooling towers. Procedures for inspecting structural, mechanical and performance characteristics are investigated with an emphasis on identifying common failures and deficiencies. The distinction between counter-flow and cross-flow cooling tower inspections is examined. In conclusion, a method is outlined for documenting inspection results and the reporting process. |
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A New Simplified Method for Field Analysis of Phosphonatioes in Water (TP-240A) |
R.S. Mitchell & S.H. Nadeau, Monsanto Co. |
1981 |
| Abstract: This paper reports on a new method for field analysis of phosphonates in water. Oxidation of the phosphonates to phosphate by cerium IV ion is accomplished without heating. The resultant phosphate is then measured by standard colorimetric methods. |
