Process for water treatment of synchronizing cyclops removing by ozone preoxydation with normal water treatment technology
A conventional treatment and water treatment technology, applied in the field of killing flea zooplankton in water so that it can be effectively removed, can solve the problem of increasing disinfection by-products, flea zooplankton is difficult to be effectively removed, and flea plankton cannot be completely removed animals etc.
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specific Embodiment approach 1
[0004] Specific Embodiment 1: The water treatment method of this embodiment is as follows: firstly, ozone is pre-passed into the raw water before the conventional water treatment process. The total time for pre-passing ozone and coagulation and sedimentation is more than 30 minutes. After coagulation and sedimentation, filter at a filtration rate of 8-10m / h to achieve flea removal.
specific Embodiment approach 2
[0005] Specific embodiment two: the water treatment process of this embodiment is as follows: first, pre-pass ozone to the raw water before the conventional treatment process, the feed rate of ozone is 2.0mg / L, then carry out coagulation precipitation, continue during coagulation precipitation Ozone is passed through to ensure that the pre-passed ozone oxidation contact time is more than 30 minutes, which can be 1h, 1.5h, 2.5h or 3h, and the coagulation and sedimentation time is 30min to 2h. The specific time is determined by the actual water plant process, which can be 30min. It can also be 1h, 1.5h or 2h. After coagulation and sedimentation, filter at a filtration rate of 10m / h.
specific Embodiment approach 3
[0006] Specific embodiment three: the water treatment process of this embodiment is as follows: First, pre-pass ozone to the raw water before the conventional treatment process, the amount of ozone introduced is 2.3mg / L, and the time for pre-passing ozone to carry out oxidation contact is 30min; After pre-passing ozone, carry out coagulation and sedimentation. The coagulation and sedimentation time is 20min to 2h. The specific time is determined by the actual water plant process, which can be 20min, or 1h or 1.5h; h filter rate can be filtered.
[0007] Below is one of the experiments done by the inventor for the technical solution of the present invention:
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