Device and method for treating difficultly degraded organic waste water by plasma technology

A technology of organic wastewater and plasma, which is applied in textile industry wastewater treatment, oxidized water/sewage treatment, magnetic field/electric field water/sewage treatment, etc. It can solve problems such as uneven mixing, single-sided discharge, dead angle, etc., to achieve The effect of reducing the equipment footprint, enhancing the processing effect, and speeding up the response speed

Inactive Publication Date: 2012-02-15
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the methods of using high-voltage pulse discharge to treat organic wastewater mainly include submerged and horizontal (or inclined) liquid surface high-voltage pulse discharge forms, in which submerged discharge needs to blow in air, and there are many supporting facilities; horizontal (or inclined) liquid surface discharge can only Single-sided discharge, the two methods occupy a large area and cannot be applied to large-scale t

Method used

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  • Device and method for treating difficultly degraded organic waste water by plasma technology
  • Device and method for treating difficultly degraded organic waste water by plasma technology
  • Device and method for treating difficultly degraded organic waste water by plasma technology

Examples

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Example Embodiment

[0026] Example 1

[0027] The present invention is a device for treating refractory organic wastewater by using plasma technology, such as figure 1 , figure 2 with image 3 As shown, the low-temperature plasma box 1 is included. The side of the low-temperature plasma box 1 is provided with a water distribution box 2. The water distribution box 2 is connected to the warm plasma box 1 through a water distribution pipe 3, and the water distribution pipe 3 includes a low temperature plasma The water distribution main pipe 31 outside the main body box 1 and several perforated water distribution branch pipes 32 communicated with the water distribution main pipe 31. The perforated water distribution branch pipes 32 transversely penetrate the low-temperature plasma box 1 and a wire mesh 4 is hung on the low-temperature plasma box. A water collection tank 5 is provided in the body 1 below the wire mesh 4, a high-voltage electrode 6 is arranged longitudinally in the low-temperature plasma...

Example Embodiment

[0030] Example 2

[0031] The present invention is a method for treating refractory organic wastewater using plasma technology, which specifically includes the following steps:

[0032] (1) Connect the low-temperature plasma box 1 and the water distribution box 2 through a water distribution pipe 3. The water distribution pipe 3 includes a water distribution main pipe 31 located outside the low-temperature plasma box 1 and several perforated water distribution pipes 32 communicating with the water distribution main pipe 31 , The perforated water distribution branch pipe 32 transversely penetrates the low-temperature plasma box 1 and the wire mesh 4 is hung on it, and the water collection tank 5 is set in the low-temperature plasma box 1 under the wire mesh 4, in the low-temperature plasma box 1. The high-voltage electrode 6 is arranged longitudinally in 1, and the high-voltage electrode 6 and the metal wire mesh 4 are spaced apart from each other to connect the high-voltage electr...

Example Embodiment

[0036] Example 3

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Abstract

The invention discloses a device and a method for treating difficultly degraded organic waste water by a plasma technology. The device is characterized in that the device comprises a low-temperature plasma tank; a side of the low-temperature plasma tank is provided with a water distribution tank; the water distribution tank is communicated with the low-temperature plasma tank by water distribution pipes; the water distribution pipes comprises a main water distribution pipe and multiple perforated water distribution branch pipes; the perforated water distribution branch pipes penetrate transversely the low-temperature plasma tank and are hung with a metal wire mesh; a water collecting tank is arranged in the low-temperature plasma tank and is located below the metal wire mesh; a high voltage pole is arranged in the low-temperature plasma tank; the high voltage pole and the metal wire mesh are arranged at an interval; and the high voltage pole is connected with an external power supply.The method comprises the following steps of assembling all the parts of the device, enabling organic waste water to form a uniform liquid film on the metal wire mesh and to flow down, and carrying out destroy and decomposition of pollutants by active substances produced by high voltage pole discharging. The device has a small floor space, is suitable for large-scale treatment, has a high active free radical yield and can improve treatment effects of difficultly degraded organic waste water.

Description

technical field [0001] The invention relates to an organic wastewater treatment device and method, in particular to a device and method for treating refractory organic wastewater by utilizing plasma technology. Background technique [0002] With the rapid development of petrochemical, plastic, synthetic fiber, coking, printing and dyeing and other industries, various wastewater containing a large amount of refractory organic pollutants has increased correspondingly, and their entry into water bodies has caused serious pollution to the environment. Contains toxic and refractory organic pollutants including polycyclic aromatic hydrocarbons, halogenated hydrocarbons, heterocyclic compounds, organic compounds, organophosphorus pesticides, surfactants, and organic dyes. The common characteristics of these substances are high toxicity, complex components, high chemical oxygen consumption, and it is difficult or impossible to meet the technical and economic requirements of purifica...

Claims

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Application Information

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IPC IPC(8): C02F1/48C02F1/78C02F103/30
Inventor 陈和平
Owner NINGBO UNIV
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