Clean water treatment combined system and combined technology of water supply plants

Abstract

The invention relates to a clean water treatment combined system and a combined technology of water supply plants. The clean water treatment combined system comprises a high-efficient settling pond, an ozone biological active carbon unit and an immersed type ultrafiltration membrane pond which are connected successively. The ozone biological active carbon unit comprises a post ozone contact reactor and an upward flow ozone biological active carbon filter. Water flow direction of the upward flow ozone biological active carbon filter is upward, and active carbon is always in a fluidized state, so that in a process of back wash, water dedicated for back wash is not needed, and excellent wash effect can be achieved only by means of gas back wash. According to the clean water treatment combined system and the combined technology, high-efficient precipitation technology, upward flow ozone biological active carbon technology and immersed type ultrafiltration membrane treatment technology are combined, so that it is effectively ensured that various water quality indexes of discharged water are capable of meeting with or are superior to national Domestic Drinking Water Hygienic Standard (GB 5749).

Description

technical field [0001] The present invention relates to a new type of water purification treatment combination system of a waterworks and its combination process, in particular to a high-efficiency sedimentation process, an upward flow ozone bio-activated carbon process and a submerged ultrafiltration membrane process, especially through the above three relatively independent processes. The effective combination among them can give full play to its removal function for the target removal of pollutants in raw water, so that each treatment process can perform its own duties and complement each other, and effectively ensure that the water quality indicators of the effluent meet or exceed the national "Drinking Water Sanitation Standard" (GB5749). Background technique [0002] The ozone biological activated carbon process has a better removal rate for natural organic matter and ammonia nitrogen in raw water, and has become the preferred advanced treatment process for various urb...

AI Technical Summary

Problems solved by technology

The membrane area per unit volume of the submerged membrane is relatively small, but because it does not need to be packed in a container, the membrane can be directly placed in a tank or pool, with a small distance between them and a high packing density

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