Microbubble o3-electrolysis integrated sleeve treatment device for landfill percolation concentrate

Abstract

The invention discloses a microbubble O3-electrolysis integrated sleeve treatment device for garbage infiltration concentrated liquor. The microbubble O3-electrolysis integrated sleeve treatment device is of an inner-outer sleeve type structure, and comprises an overflow weir, a reactor outer sleeve, a reactor inner sleeve, a microbubble aeration head and a three-dimensional electrode, wherein the garbage infiltration concentrated liquor enters the reactor inner sleeve from the top; ozone and oxygen gas forming microbubbles enter the reactor inner sleeve as well as a cavity between the reactor outer sleeve and the reactor inner sleeve from the bottom; in convection-current and fair current motion of gas and liquid, complete oxidization of organic substances is realized by utilizing cavitation of the microbubbles, then, OH is in situ generated by residual oxygen gas under action of the electric field of the three-dimensional electrode, so that electrochemical enhanced oxidation treatment on the organic substances is realized. According to the microbubble O3-electrolysis integrated sleeve treatment device for the garbage infiltration concentrated liquor, a utilization rate of ozone and oxygen gas carried in the ozone is increased, the capability of degrading macromolecular organic compounds which are difficult to degrade is effectively improved, and the effect of reducing energy consumption is achieved by increasing current density, so that the microbubble O3-electrolysis integrated sleeve treatment device has the advantages of being high in operation efficiency and small in floor space, has relatively high removal efficiency for COD, TOC and the like in the garbage infiltration concentrated liquor, does not cause secondary pollution, and is an environment-friendly technology with good development prospect.

Description

technical field [0001] The invention relates to a treatment device for garbage liquid, in particular to a microbubble O 3 - An electrolysis integrated sleeve processing device, which belongs to the field of environmental protection technology. Background technique [0002] With the rapid increase of urban population, the amount of domestic waste is also increasing day by day. The harmless treatment of waste has become an important part of urban construction. Sanitary landfill has been widely used as a disposal method for urban solid waste. Whether the treatment and disposal of landfill leachate meets the standards has also become an important indicator of whether a landfill is a sanitary landfill. Landfill leachate is a kind of polluted wastewater containing high concentration of suspended solids, high concentration of organic matter and high concentration of heavy metal ions produced in the process of landfill, which is very difficult to treat. In 2008, my country promulg...

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Problems solved by technology

[0005] Patent CN105253960A discloses an ozone-three-dimensional electrode combined wastewater treatment device for treating high-concentration and high-salt wastewater. The degradation effect is further improved through the synergistic effect of electrochemistry and ozone, but ozone easily makes OH and ·O 3 Produce internal annihilation, especially the O 2 failed to use effectively

Therefore, in the prior art, ozone oxidation is used to treat the concentrated liquid of landfill infiltration. In the process of generating ozone by the ozone generator, there is a phenomenon that a large amount of oxygen enters the reaction device together, but the oxygen is not fully utilized.

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