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Internal electrolysis water treatment device and method

A technology for water treatment and internal electrolysis, applied in water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. Low cost, solving the problem of fixed bed compaction, and low energy consumption

Pending Publication Date: 2021-12-03
NANJING SUMAN PLASMA TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But its shortcomings are also obvious, mainly because the degradation rate of pollutants is not high, about 30% on average
In addition, after the fixed reaction bed has been working for a period of time (usually half a year), the phenomenon of bed compaction will occur, ranging from a decrease in sewage treatment efficiency to a serious problem of scrapping the entire reactor

Method used

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  • Internal electrolysis water treatment device and method
  • Internal electrolysis water treatment device and method
  • Internal electrolysis water treatment device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The reactor body 1 is an insulating shell; the reactor body is provided with a metal cover plate 2 and a reactor cover bottom 3; the metal cover plate 2 is provided with an air hole 13; shaped through hole, the central electrode 4 covered with insulating sleeve (18) passes through the circular through hole, and the central electrode 4 directly reaches the bottom of the reactor body 1; the discharge needle 5 is embedded through the air hole 13, and the needle tail 6 of the discharge needle 5 is placed On the metal cover plate 2;

[0035] The inside of the reactor is covered with catalyst, which is metal Fe and N-type semiconductor Fe 2 o 3 ;

[0036] The metal cover plate 2 and the central electrode 4 are respectively connected to one end of a power supply; the voltage of the power supply is above 500V;

[0037] The exterior of the reactor body 1 is provided with a water inlet valve and a water outlet valve. The water inlet valve 11 is installed at the lower end of on...

Embodiment 2

[0048] The reactor body 1 is an insulating shell; the reactor body is provided with a metal cover plate 2 and a reactor cover bottom 3; the metal cover plate 2 is provided with an air hole 13; Through the hole, the partially insulated central electrode 4 passes through the circular through hole and reaches the bottom of the reactor body 1; the discharge needle 5 is embedded through the air hole 13, and the needle tail 6 of the discharge needle 5 is placed on the metal cover plate 2;

[0049] The inside of the reactor is covered with a catalyst, which is metal Fe and P-type semiconductor CuO

[0050] The metal cover plate 2 and the central electrode 4 are respectively connected to one end of a power supply; the voltage of the power supply is above 500V;

[0051] The exterior of the reactor body 1 is provided with a water inlet valve and a water outlet valve. The water inlet valve 11 is installed at the lower end of one side of the reactor body 1 ; the water outlet valve 12 is i...

Embodiment 3

[0061] The reactor body 1 is an insulating shell; the reactor body is provided with a metal cover plate 2 and a reactor cover bottom 3; the metal cover plate 2 is provided with an air hole 13; Through the hole, the partially insulated central electrode 4 passes through the circular through hole and reaches the bottom of the reactor body 1; the discharge needle 5 is embedded through the air hole 13, and the needle tail 6 of the discharge needle 5 is placed on the metal cover plate 2;

[0062] The inside of the reactor is covered with a catalyst, which is an N-type semiconductor Fe 2 o 3 and P-type semiconductor CuO; the metal cover plate 2 and the center electrode 4 are respectively connected to one end of the power supply; the voltage of the power supply is above 500V;

[0063] The exterior of the reactor body 1 is provided with a water inlet valve and a water outlet valve. The water inlet valve 11 is installed at the lower end of one side of the reactor body 1 ; the water ou...

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PUM

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Abstract

The invention relates to an internal electrolysis water treatment device and a method, and belongs to the technical field of sewage treatment. A central electrode is inserted into the center of a metal cover, sleeved with an insulating round sleeve and connected with a high-voltage direct-current power supply anode, and spray points are inserted into micropores around the center of the metal cover and connected with a direct-current high-voltage cathode. The tip end of the spray point is always located above the water surface and is in air insulation with the water surface, so that direct-current high voltage can be applied to the positive electrode and the negative electrode, the interface potential difference between the two media is amplified, internal electrolytic reaction (interface reaction) is generated through the interface potential difference, and organic pollutants are degraded. The method has the advantages of low energy consumption, simple equipment process and low treatment cost.

Description

technical field [0001] The invention relates to an internal electrolyzed water treatment device and method, belonging to the technical field of sewage treatment. Background technique [0002] In today's world, there are many sewage treatment schemes, but they all have their own limitations. The low-cost treatment effect is not good, and the treatment effect is obvious, such as wet oxidation, supercritical oxidation, etc. Due to high temperature and high pressure, the treatment cost is extremely high, which is limited to Small range of applications. [0003] Internal electrolysis is widely used in wastewater treatment processes, such as petrochemical wastewater, electroplating process wastewater, printing and dyeing wastewater, monocrystalline silicon industrial production wastewater, etc. [0004] However, the existing internal electrolysis technology for treating degraded sewage has the advantages of low energy consumption, simple equipment and process, and low treatment c...

Claims

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Application Information

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IPC IPC(8): C02F1/461C02F101/20C02F101/30C02F101/32C02F101/34C02F101/36
CPCC02F1/46104C02F1/46109C02F2001/46142C02F2101/20C02F2101/206C02F2101/308C02F2101/345C02F2101/36C02F2101/322Y02E60/36
Inventor 洪忠伟万京林戴阳
Owner NANJING SUMAN PLASMA TECH CO LTD