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Operation of Municipal Wastewater Treatment Plants. Doherty, M. Metcalf-eddy Wastewater Engineering Treatment and Reuse.
Analysis, Synthesis, and Design of Chemical Processes. Jump to Page. Excessive growth of algae bloom or other aquatic plants may provide very high concentration of DO, so called supersaturation. On the other hand, oxygen deficiencies can occur when plant respiration depletes oxygen beyond the atmospheric diffusion rate.
This can occur especially during the winter ice cover period and when intense decomposition of organic matter in the lake bottom sediment occurs during the summer. These oxygen deficiencies will result in fish being killed.
For most cases, b is assumed to be unity. The DOsat values calculated from the above formula are listed in Table 1. The correction factor can be calculated as follows: f5 where