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Method for treating landfill leachate biochemical tail water through three-dimensional electrode and persulfate advanced oxidation technology

An advanced oxidation technology and landfill leachate technology, which is applied in the field of three-dimensional electrode synergistic persulfate advanced oxidation technology to treat landfill leachate biochemical tail water, can solve the problems of long running time, low efficiency, poor treatment effect, etc. Oxidative activity, simple structure, preventing deposition stacking effect

Pending Publication Date: 2021-10-12
ZHEJIANG UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] Three-dimensional electrode technology and persulfate advanced oxidation technology have disadvantages such as low efficiency, long running time, and poor treatment effect when they are applied alone to the treatment of landfill leachate biochemical tail water

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  • Method for treating landfill leachate biochemical tail water through three-dimensional electrode and persulfate advanced oxidation technology

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Embodiment Construction

[0032] A device for treating landfill leachate biochemical tail water with three-dimensional electrode combined with persulfate advanced oxidation technology of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0033] Such as figure 1 As shown, a device for treating landfill leachate biochemical tail water with a three-dimensional electrode in cooperation with persulfate advanced oxidation technology of the present invention includes: a three-dimensional electrode reactor 9, a cathode 6 (i.e. the cathode electrode), an anode 5 (i.e. the anode electrode), Particle electrode 8, pH on-line monitoring device, aeration device, digitally controlled DC power supply 7; three-dimensional electrode reactor 9 is provided with a liquid inlet 4 and a liquid outlet 3, and the liquid inlet 4 is used to feed the biochemical waste leachate to be treated Tail water, liquid outlet 3 is used to discharge the treated landfill leac...

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Abstract

The invention discloses a method for treating landfill leachate biochemical tail water by using a three-dimensional electrode and persulfate advanced oxidation technology, and relates to a device for treating landfill leachate biochemical tail water by using the three-dimensional electrode and persulfate advanced oxidation technology. A persulfate advanced oxidizing agent is added into a three-dimensional electrode reactor and cooperates with a three-dimensional electrode to treat the landfill leachate biochemical tail water, on one hand, the particle electrode provides a large number of catalytic activation sites for the persulfate advanced oxidizing agent; on the other hand, generated sulfate free radicals and the three-dimensional electrode cooperate to treat refractory substances in the wastewater, and the degradation capacity and efficiency are greatly improved; and the three-dimensional electrode and the persulfate advanced oxidation technology are cooperated, the structure is simple, the process is integrated, and economic and efficient wastewater advanced treatment can be realized.

Description

technical field [0001] The invention relates to the technical field of water treatment and environmental protection, in particular to a method for treating landfill leachate biochemical tail water with a three-dimensional electrode combined with persulfate advanced oxidation technology. Background technique [0002] With the acceleration of urbanization in our country, the amount of domestic waste is also increasing year by year. Sanitary landfill of domestic waste is currently the most commonly used and most effective means of disposal. However, due to the complexity of the garbage composition and many other factors, the leachate produced by the landfill contains a large amount of refractory organic matter, toxic substances and carcinogens, and it is difficult to treat. The natural environment, surface water and groundwater cause serious pollution. At the same time, with the increase of landfill time, the advantages of the biochemical treatment process of landfill leachate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/461C02F1/467C02F1/72C02F1/74C02F101/30C02F103/06
CPCC02F1/46109C02F1/4672C02F1/46104C02F1/72C02F1/725C02F1/74C02F2103/06C02F2001/46133C02F2209/06C02F2101/30
Inventor 胡勤海赖夏鹏朱佳天孙盼
Owner ZHEJIANG UNIV
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