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Int. J. Mol. Sci. 2008, 9(4), 542-553; doi:10.3390/ijms9040542

A Model to Predict Total Chlorine Residue in the Cooling Seawater of a Power Plant Using Iodine Colorimetric Method

3, 2,6,* , 4
1 Department of Biotechnology, Tajen University, Pingtung 907, Taiwan 2 National Museum of Marine Biology and Aquarium, Checheng, Pingtung 944, Taiwan 3 Department of Marine Environmental Informatics, National Taiwan Ocean University, Keelung 20224, Taiwan 4 Department of Life Science, National Taiwan Normal University, Taipei 11677, Taiwan 5 Institute of Oceanography, National Taiwan University, Taipei, 107, Taiwan 6 Institute of Marine Biodiversity and Evolution, National Dong Hwa University, Checheng, Pingtung 944, Taiwan
* Authors to whom correspondence should be addressed.
Received: 31 January 2008 / Revised: 25 February 2008 / Accepted: 1 April 2008 / Published: 4 April 2008
(This article belongs to the Special Issue Green Antifouling)
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A model experiment monitoring the fate of total residue oxidant (TRO) in water at a constant temperature and salinity indicated that it decayed exponentially with time, and with TRO decaying faster in seawater than in distilled water. The reduction of TRO by temperature (°K) was found to fit a curvilinear relationship in distilled water (r2 = 0.997) and a linear relationship in seawater (r2 = 0.996). Based on the decay rate, flow rate, and the length of cooling water flowing through at a given temperature, the TRO level in the cooling water of a power plant could be estimated using the equation developed in this study. This predictive model would provide a benchmark for power plant operators to adjust the addition of chlorine to levels necessary to control bio-fouling of cooling water intake pipelines, but without irritating ambient marine organisms.
Keywords: anti-fouling agent; total residual oxidant; power plant; cooling water. anti-fouling agent; total residual oxidant; power plant; cooling water.
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Wang, J.-T.; Chen, M.-H.; Lee, H.-J.; Chang, W.-B.; Chen, C.-C.; Pai, S.-C.; Meng, P.-J. A Model to Predict Total Chlorine Residue in the Cooling Seawater of a Power Plant Using Iodine Colorimetric Method. Int. J. Mol. Sci. 2008, 9, 542-553.

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