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Waste water treatment device and waste water treatment method

A wastewater treatment and treatment device technology, which is applied in water/sewage multi-stage treatment, illuminated water/sewage treatment, oxidized water/sewage treatment, etc., can solve problems such as poor treatment effect and failure to meet discharge standards, and achieve improved treatment Effect, enhanced catalytic oxidation, enhanced sterilizing effect

Inactive Publication Date: 2012-05-02
苏汉明
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Problems solved by technology

In the post-processing comprehensive water, there are also various pollutants, and it is impossible to meet the discharge standards by using simple treatment agents and methods
It doesn't work well

Method used

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  • Waste water treatment device and waste water treatment method

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Embodiment 1

[0016] Embodiment 1, a treatment device for electroplating wastewater, such as figure 1 , including a waste water treatment tank 1, one end of the waste water treatment tank is connected to the water inlet pipe 2, and the other end is connected to the water outlet pipe 3; the high-voltage discharge electrode 4 is inserted into the cavity of the waste water treatment tank, and its end is located on the outside of the waste water treatment tank and connected with the high-power high-voltage pulse The positive pole of the power supply 5 is connected, and the negative pole of the high-power high-voltage pulse power supply is connected to the shell of the waste water treatment tank. By controlling its high-voltage pulse power supply, the high-voltage discharge electrode can generate strong glow discharge, and quickly generate high-concentration plasma, high-energy electrons, ozone and ultraviolet light in the interior space of the wastewater treatment tank. The material molecules i...

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Abstract

The invention discloses a waste water treatment device and a waste water treatment method. In the device, a high voltage discharge connected with a high voltage source performs glow discharge in a waste water treatment tank where the electroplating wastewater passes through so as to generate low-temperature plasmas, high-energy electrons, ultraviolet light and ozone, based on high-level strong oxidation reaction between the plasmas and the electroplating wastewater, the device can perform comprehensive treatment, which is integrated with three actions of high-energy electron collision, ozone oxidation and ultraviolet light degradation, on the waste water. The method needs simple equipment and small area, saves investment, and has low energy consumption and low operating cost; and the method needs no chemical reaction additives, produces less sludge storage after oxidation, and causes no secondary pollution; and the purified water can be recycled and discharged after meeting the discharge standards.

Description

technical field [0001] The invention relates to a device and a method for treating electroplating wastewater. Background technique [0002] Electroplating is the use of chemical and electrochemical methods to plate various metals on the surface of metals or other materials. Electroplating technology is widely used in machine manufacturing, light industry, electronics and other industries. The composition of electroplating wastewater is very complex. In addition to cyanide (CN-) wastewater and acid-base wastewater, heavy metal wastewater is a potentially harmful category of wastewater in the electroplating industry. According to the classification of heavy metal elements contained in heavy metal wastewater, it can generally be divided into chromium (Cr)-containing wastewater, nickel (Ni)-containing wastewater, cadmium (Cd)-containing wastewater, copper (Cu)-containing wastewater, zinc (Zn)-containing wastewater, Gold (Au) wastewater, silver (Ag) wastewater, etc. The treatm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/46C02F1/78C02F1/32C02F1/72C02F1/30C02F9/06
Inventor 苏汉明
Owner 苏汉明
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