Oxidization-type air-flotation coupling ultrafiltration water purification system and method

A water purification system and oxidation type technology, applied in chemical instruments and methods, oxidized water/sewage treatment, special compound water treatment, etc. To achieve the effect of strong oxidation, uniform distribution and simple operation

Inactive Publication Date: 2019-10-11
SHANDONG JIANZHU UNIV
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Problems solved by technology

However, the amount of hydroxyl radicals generated by the natural collapse of air microbubbles is small, which cannot meet the application requirements of degrading organic pollutants in the environmental field.

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  • Oxidization-type air-flotation coupling ultrafiltration water purification system and method

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Embodiment Construction

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0034] Such as figure 1 An oxidative air flotation coupled ultrafiltration water purification system is shown. The air flotation tank of the improved CCDAF process is sequentially provided with a counterflow collision contact chamber 1, a cocurrent flow adhesion contact chamber 2, an air flotation separation chamber 3 and Ultrasonic chamber 4, a water inlet pipe 19 is arranged above the front end of the counterflow collision contact chamb...

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Abstract

The invention discloses an oxidation-type air-flotation coupling ultrafiltration water purification system. The oxidation-type air-flotation coupling ultrafiltration water purification system comprises an improved CCDAF technology air-flotation pond integrating same-direction flow and different-direction flow, the improved CCDAF technology air-flotation pond is internally provided with a reverse flow collision contact chamber, a same-direction flow adhesion contact chamber, an air-flotation separation chamber and an ultrasonic chamber in sequence in the water flow direction, an immersed ultrafiltration membrane pond is connected to the improved CCDAF technology air-flotation pond, and a clear water pond is connected to the immersed ultrafiltration membrane pond; two air dissolving systemsare connected to the clear water pond and connected with the improved CCDAF technology air-flotation pond and the immersed ultrafiltration membrane pond to provide high-pressure air-dissolving water for the improved CCDAF technology air-flotation pond and the immersed ultrafiltration membrane pond. The oxidation-type air-flotation coupling ultrafiltration water purification system achieves combined use of air flotation and ultrafiltration membranes, each other's advantages can be complemented, thus particulate matter with a wider diameter range is removed, and the purpose of advanced treatmentof raw water is achieved.

Description

technical field [0001] The invention relates to the field of water supply treatment, in particular to a water purification system and method coupled with ultrasonic wave, ozone, ultrafiltration membrane and improved CCDAF process. Background technique [0002] With the increase of population, the rapid development of industry and agriculture, and the continuous acceleration of urbanization, the water environment pollution and eutrophication of lakes (reservoirs) in my country have become increasingly serious in recent years. According to the 2018 China Environmental Status Bulletin of the Ministry of Environmental Protection of the People's Republic of China, among the 109 lakes (reservoirs) whose nutritional status is monitored, 10 are oligotrophic, 66 are moderately nutritious, 25 are slightly eutrophic, and 25 are moderately eutrophic. 6 degrees of nutrient-rich. Compared with last year, the number of eutrophic lakes has increased, and the problems of water environmental...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/08
CPCC02F9/00C02F1/24C02F1/78C02F1/444C02F1/66C02F1/36C02F2301/08C02F2305/02
Inventor 王永磊李亚男田立平杨焱明刘威鞠玲刘宇雷秦尧米记茹王学琳
Owner SHANDONG JIANZHU UNIV
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