Electrochemical catalytic oxidation device, system and method for treating wastewater
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A technology for catalytic oxidation and wastewater treatment, applied in physical/chemical process catalysts, chemical instruments and methods, electrochemical water/sewage treatment, etc. problems, to achieve the effect of improving processing efficiency, low preparation cost, and low operating cost
Pending Publication Date: 2022-06-28
厦门科林尔环保科技有限公司
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Traditional high-concentration pharmaceutical wastewater often enters the anaerobic-aerobic combined process after simple physical and chemical treatment. The long residence time results in a large anaerobic tank size and high construction costs. However, due to the high concentration of wastewater and poor biochemical properties, even multi-stage The treatment effect of anaerobic series connection is also very unsatisfactory, and the effluent cannot meet the standard
Although the treatment of high-concentration pharmaceutical wastewater by the Fenton method can solve the above problems, improve the biodegradability, and reduce the organic load, the operating conditions of the Fenton method are harsh, and it is difficult to operate in industrial applications, and the Fenton method requires the addition of a large amount of acid and Alkali and other salts, resulting in the increase of salts is not conducive to subsequent biochemical treatment, the operation control is difficult, and the dosage of chemicals is large, resulting in very high operating costs
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Embodiment 1
[0037] like Figures 1 to 8 As shown, the present invention discloses an electrochemical catalytic oxidation device for treating wastewater, which includes a housing 1 , a water distribution tank 2 , a water distribution pipe 3 , a gas storage tank 4 , a blower, an electrode anode 5 and an electrode cathode 6 .
[0038] The electrode anode 5 and the electrode cathode 6 are arranged on both sides of the housing 1 and connected to the power supply respectively. The electrode anode 5 adopts a graphite carbon plate, and the electrode cathode 6 adopts a stainless steel plate. The bottom of the casing 1 is provided with a water distribution area, an aeration area and a backwashing area, and the top of the casing 1 is provided with a water outlet area. The inside of the housing 1 between the water outlet area and the water distribution area is filled with a catalyst 7 .
[0039]The water distribution area includes a water inlet flange 11 and a water distribution pipe group 12 . Th...
Embodiment 2
[0046] like Figure 1-8 As shown, the present invention discloses an electrochemical catalytic oxidation device for treating waste water. In the present embodiment, the catalyst 7 includes the following components by weight fraction: 30 parts of activated carbon, 8 parts of binder, 12 parts of iron Oxides of copper, 18 parts of copper oxides, 4 parts of manganese oxides, 2 parts of zinc oxides, 3 parts of zirconium oxides, 4 parts of cerium oxides, and 4 parts of titanium oxides.
[0047] Other technical characteristics are consistent with the embodiment.
Embodiment 3
[0049] like Figure 1-8 As shown, the present invention discloses an electrochemical catalytic oxidation device for treating waste water. In this embodiment, the catalyst 7 includes the following components by weight fraction: 35 parts of activated carbon, 15 parts of binder, 18 parts of iron Oxides of copper, 22 parts of copper oxides, 7 parts of manganese oxides, 4 parts of zinc oxides, 5 parts of zirconium oxides, 5 parts of cerium oxides, and 7 parts of titanium oxides.
[0050] Other technical characteristics are consistent with the embodiment.
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Abstract
The invention relates to the field of wastewater treatment, and discloses an electrochemical catalytic oxidation device for treating wastewater, which comprises a shell. And two electrodes are arranged on two sides of the shell. A water distribution area, an aeration area and a backwashing area are arranged at the bottom of the shell, and a water outlet area is arranged above the shell; and a catalyst is filled in the shell between the water outlet area and the water distribution area. And a gas washing flange of the gas washing area is connected with a gas storage tank. And a water distribution tank for accommodating the pretreated wastewater is connected with the water inlet flange of the water distribution area through a water distribution pipe. The invention also discloses a system comprising the electrochemical catalytic oxidation device and a use method of the system. Through a three-dimensional electrode catalysis pool material lifting technology, a material washing technology and a uniform water and gas distribution technology, continuous wastewater treatment by a catalytic oxidation method is realized, chemical reagents do not need to be additionally added in the operation process, secondary pollution is not generated, only electric energy is consumed in the operation process, the operation cost is low, and the operation efficiency is high. And meanwhile, the defect that the catalyst is easy to lose efficacy due to dirt attachment in the prior art is overcome.
Description
technical field [0001] The invention relates to the field of wastewater treatment, in particular to an electrochemical catalytic oxidation device, system and method for treating wastewater. Background technique [0002] High-concentration pharmaceutical wastewater has the characteristics of high concentration of pollutants, complex organic components, complex molecular structure of organic compounds, and large molecular weight. Traditional high-concentration pharmaceutical wastewater often enters the anaerobic-aerobic combined process after simple physical and chemical treatment. The long residence time results in a large anaerobic tank size and high construction costs. However, due to the high concentration of wastewater and poor biochemical properties, even multi-stage The treatment effect of anaerobic series connection is also very unsatisfactory, and the effluent cannot reach the standard. Although the treatment of high-concentration pharmaceutical wastewater by the Fen...
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Application Information
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