The reasons and solutions for the large area and large number of "water fleas" on the surface of the secondary sedimentation tank of the secondary sewage treatment plant

There is a sentence in Baidu Encyclopedia: Utilization of water fleas in water environment monitoring The blood of water fleas contains heme, which is dissolved in plasma. Heme is also contained in cells such as muscles, ovaries and intestinal walls. The content of heme often changes with the amount of dissolved oxygen in the environment. The oxygen content in the water is low and the heme content of water fleas is high. ； The water has high oxygen content and the water fleas have low heme content. Because the dissolved oxygen content in polluted water bodies is low and the oxygen content in clean water is high, the color of water fleas in polluted water bodies is redder than that in clean water. This is why water fleas often show different colors, and it is a manifestation of adapting to the environment. We can use this characteristic of water fleas to determine the cleanliness of the water body. Sir, the water fleas you see are red in color, which is normal. It means that the water quality of your sewage treatment plant meets the standards. This post was last edited by libj520 on 2009-3-13 16:36 ]