Ozone catalytic oxidation device and treatment method

Abstract

The invention discloses an ozone catalytic oxidation device and a treatment method. The device comprises a water inlet pipeline, a first ozone inlet pipeline, a second ozone inlet pipeline, a water discharge pipeline, a backwashing gas path pipeline, a tail gas discharge pipeline, a water outlet pipeline, a charging hole, a packing layer, a sealing cover, an overflow unit, a discharge hole, a supporting plate, a gas-water backwashing type filter cap, a filter plate, a backwashing gas distribution head, a supporting layer, an ejector, an aeration device, a first pipeline flow meter, a second pipeline flow meter, a first pipeline pump, a second pipeline pump and a plurality of valves, which are connected to and arranged in a reactor body correspondingly. The water inlet pipeline, the ejector, the first ozone inlet pipeline and the second ozone inlet pipeline are respectively arranged at the bottom of the reactor body, so that ozone inlet and water inlet modes can be conveniently switched, the mixing effect of ozone and sewage is improved, and the ozone utilization rate and the oxidation reaction effect are improved; and by arranging the backflow pipeline and the backwashing pipelinethe, the ozone utilization efficiency is improved, and meanwhile, the capacity of resisting suspended matter load impact is also ensured.

Description

technical field [0001] The invention relates to the field of sewage treatment equipment, in particular to an ozone catalytic oxidation device and a treatment method. Background technique [0002] At present, with the increase in the number of projects in industrial parks and the increasingly stringent discharge standards, more and more sewage treatment plants need to add advanced oxidation processes to meet the discharge of chemical oxygen demand (COD) in the effluent. [0003] As one of the important processes in the advanced oxidation process, the ozone catalytic oxidation process has been widely concerned because of its advantages such as strong oxidation, fast reaction rate, less dosage, clean and pollution-free, and no persistent residue in water. This process can effectively remove color, odor, taste, iron, manganese and other inorganic substances in water, and can reduce sewage COD, TOC, UV absorption value and ammonia nitrogen content. It is now mostly used in the tr...

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Problems solved by technology

[0005] Based on the problems existing in the prior art, the object of the present invention is to provide an ozone catalytic oxidation device and treatment method, which can solve the problem of insufficient ozone mixing in the existing ozone catalytic oxidation process and insufficient mass transfer efficiency of ozone in the device. High, resulting in high operating costs

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