Efficient electrocatalytic oxidation device and landfill leachate high-salt and high-organic wastewater treatment method
A technology for electrocatalytic oxidation and wastewater treatment, applied in the direction of oxidized water/sewage treatment, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of high energy consumption of electrocatalytic oxidation equipment and non-optimal combination of equipment components
Pending Publication Date: 2021-08-31
深圳市宏森环保科技有限公司
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Problems solved by technology
[0003] The object of the present invention is to provide a high-efficiency electrocatalytic oxidation device and a treatment method for landfill leachate high-salt and high-organic wastewater, so as to solve the current problem in the above background technology that the energy consumption of electrocatalytic oxidation equipment is generally high for specific component wastewater. Due to the combination of equipment components is not the optimal solution
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Embodiment 1
[0036] High-efficiency electrocatalytic oxidation devices, such as figure 1 and figure 2 As shown, the electrocatalytic oxidation reaction tank 1 is included, the electrocatalytic oxidation reaction tank 1 is provided with an outlet weir 2, and the electrocatalytic oxidation reaction tank 1 is provided with a number of anode titanium electric plates 3 and cathode titanium electric plates 3 which are evenly spaced and arranged in parallel. plate 4, the anode titanium electric plate 3 and the cathode titanium electric plate 4 are arranged alternately, the top of the cathode titanium electric plate 4 is connected with the cathode electrode copper conductor 5, and the top of the anode titanium electric plate 3 is connected with the anode electrode copper conductor 6, electrocatalytic A DC power supply 7, an electric control box 8, and a forced descaling device 11 are installed on the outer wall of the oxidation reaction tank 1, and a water inlet 9 and a water outlet 10 are connec...
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Abstract
The invention relates to the technical field of wastewater treatment, and concretely relates to an efficient electrocatalytic oxidation device and a landfill leachate high-salt and high-organic wastewater treatment method. The device comprises an electrocatalytic oxidation reaction tank, refractory substances are oxidized and degraded into easily-degradable and non-toxic substances by utilizing direct oxidation and indirect oxidation effects of electrodes, the direct oxidation is that water molecules discharge on the surface of an anode to generate .OH groups, the .OH groups and organic matters near the anode are subjected to oxidation reaction, the indirect oxidation is that a strong oxidant generated by electrochemical reaction is utilized to oxidize the organic matters in a solution, the electrocatalytic oxidation can react with almost all the organic matters, the oxidation capacity is high, the effect is stable, and the oxidation efficiency is high. The method is particularly suitable for treating high-concentration sewage and wastewater with relatively high salt content, saves energy and time, can be used for pretreatment of a biological method, effectively degrades organic pollutants which are difficult to degrade and reduces the difficulty of subsequent biochemical treatment, and also can be used for deep treatment.
Description
technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a high-efficiency electrocatalytic oxidation device and a treatment method for high-salt and high-organic wastewater of landfill leachate. Background technique [0002] Advanced oxidation technology, also known as deep oxidation technology, is based on the use of electricity, light irradiation, catalysts, and sometimes combined with oxidants to generate highly active free radicals (such as HO ) in the reaction, and then through free radicals and organic compounds Addition, substitution, electron transfer, bond breaking, etc. between them make the macromolecular refractory organic matter in the water oxidatively degrade into low-toxic or non-toxic small molecular substances, and even directly degrade into CO2 and H2O, which is close to complete mineralization. The current advanced oxidation technologies mainly include chemical oxidation, electrochemical oxidation, wet...
Claims
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IPC IPC(8): C02F1/461C02F1/72C02F101/30
CPCC02F1/46109C02F1/4672C02F1/4674C02F2001/46142C02F2101/30
Inventor 胡兵吴楚任刘才广黄金柯
Owner 深圳市宏森环保科技有限公司