Ozone-ultra-micron air bubble-filtering system and ozone-ultra-micron air bubble-filtering method

A filtration method and filtration system technology, applied in the fields of filtration treatment, chemical instruments and methods, oxidized water/sewage treatment, etc., can solve the problems of large area occupied by structures, short hydraulic retention time, low oxygen transfer rate, etc., and achieve long-term Stable operation, no secondary pollution, simple operation

Inactive Publication Date: 2017-01-11
EAST CHINA JIAOTONG UNIVERSITY
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Problems solved by technology

[0003] The purpose of the present invention is to provide an ozone-ultramicron bubble-filtration system and its method, aiming to solve the problem of large bubble particle size, low oxygen transfer rate, short hydraulic retention time, cumbersome process, and large area occupied by structures in the traditional activated sludge method. big problem

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[0024] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as figure 1 As shown, the method for controlling the dosage of ozone to find the optimal dosage of ozone by controlling the time that the ozone generator produces ozone provided by the embodiment of the present invention includes the following steps:

[0027] S101: Use an ozone generator to inject ozone into 1L of domestic sewage for 1min, 2min, 3min, 4min, 5min, and 6min respectively, and after a period of reaction, measure the changes in water qual...

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Abstract

The invention discloses an ozone-ultra-micron air bubble-filtering system and an ozone-ultra-micron air bubble-filtering method. Domestic sewage is treated by utilizing an ozone-ultra-micron air bubble-filtering process, and is treated according to a water quality condition of the domestic sewage through changing an adding quantity of ozone and hydraulic retention time; according to water quality properties of the domestic sewage, a certain quantity of the ozone needs to be added before ultra-micron air bubbles to remove part of organic matters, improve dissolved oxygen and remove odor when the sewage is treated under the conditions that the sewage contains a lot of organic matters, the dissolved oxygen is low, a water body is odorous and the like; if the sewage contains a few of the organic matters and the water body is not odorous, predicated emission standards can be reached through an ultra-micron air bubble and filtering process. By combining the ozone oxidized organic matters, the ultra-micron air bubbles and a filtering process are combined to treat the domestic sewage, so that the treatment of the domestic sewage has pertinence and the removing effect of suspension matters and the organic matters is obvious.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and in particular relates to an ozone-ultramicro bubble-filtration system and a method thereof. Background technique [0002] Due to the increasingly serious pollution of water resources in my country and the shortage of urban water resources, most of the treatment methods for domestic sewage are activated sludge methods. The problem with activated sludge methods is that there are air bubbles in the ordinary aeration process. Large particle size, low oxygen transfer rate, short hydraulic retention time, etc., while the traditional process is cumbersome, and the structure occupies a large area. Contents of the invention [0003] The purpose of the present invention is to provide an ozone-ultramicron bubble-filtration system and its method, aiming to solve the problem of large bubble particle size, low oxygen transfer rate, short hydraulic retention time, cumbersome process, and large are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/78C02F9/04
CPCC02F1/78C02F1/001C02F1/24C02F9/00C02F2301/08
Inventor 鲁秀国黄林长过义婷张耀
Owner EAST CHINA JIAOTONG UNIVERSITY
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