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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 3.0).

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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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