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CTI Bibliography of Technical Papers - Microbiological Activity in Cooling Systems
Revised October 2002
To add a paper to your shopping cart, click on the paper's order number button.
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Microbiological Activity in Cooling Systems
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Order Number
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Title
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Author
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Date
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Microbiological Control of Cooling Waters (TP-197A)
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D. Anthony Carter & Patricia A. McGraw, Dearborn Chemical, Chemed Corporation
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1979
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Abstract:
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Filamentous Iron Bacteria Diagnosis and Treatment in Water Systems (TP-88-16)
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Bruce E. Chamberlain, Drew Industrial Division Ashland Chemical Company
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1988
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Abstract:
Paper reviews literature on control of filamentous iron bacteria
(FIB) and compares some actual field experiences. FIB occur
rarely, are often misdiagnosed, and usually have a catastrophic
effect, plugging lines and equipment. Prior findings have
supported residential chlorination as an effective control.
Actual case histories in this paper support this approach.
Additional information is presented showing that heterotrophic
population counts should not be used for evaluation or control
of FIB. Microscopic examination of deposits is the surest means
of affirming an FIB diagnosis.
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Relationship of Biofilm Formation on Stainless Steel in Untreated Once Through Cooling Water to Seasonal Water Quality Trends (TP-91-05)
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Rodney M. Donlan, Raymon A. Muia & Alan L. Smith, Calgon Corporation
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1991
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Abstract:
A study was initiated in a 23,000 gpm once-through cooling water
system for a 1200-megawatt nuclear plant that historically has
experienced fouling with biofilms containing filamentous iron
bacterial. The objective was to determine whether water quality
variables correlate with biofilm formation. Stainless steel
sampling stubs were exposed in this water system and biofilm
developing on these stubs was quantified using cell counts, TOC,
and total solids. Temperature, D.O., TOC, iron, manganese, and
cell count were measured regularly on the water supplied to the
sampling stubs. Correlations between biofilm formation and
measured water quality parameters were determined.
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The Effect of Process Leak Contaminants on Biocidal Efficacy
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Lawrence A. Grab, John A. Diemer & M.G. Freid, Union Carbide Chemicals and
Plastics Co., Inc.
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1994
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Abstract:
The effect of various process leak contaminants on the
performance of eight water treatment biocides was evaluated. The
contaminants included a high temperature oil, diesel fuel, a
hydraulic fluid, ammonia, ethylene glycol, sulfide and the
following gases: carbon dioxide, hydrogen, l-butane, and
propane. The efficacy of each biocide was compared in the
presence and absence of the contaminants. While the extent of
deactivation varied with each biocide, all were affected by at
least one of the contaminants.
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