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A pulse type fenton internal circulation oxidation device

An oxidation device and internal circulation technology, applied in the direction of oxidation water/sewage treatment, chemical instruments and methods, special compound water treatment, etc., to achieve the effect of reducing the amount of use, reducing the use of chemicals, and increasing the frequency of repeated use

Active Publication Date: 2017-09-05
GUANGZHOU GUANGSHEN ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] In order to solve the above problems, the present invention provides a pulse type Fenton internal circulation oxidation device, which can improve the reaction speed, increase the frequency of internal circulation, reduce the volatilization and waste of hydroxyl radicals, improve the treatment efficiency and reduce the treatment cost

Method used

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  • A pulse type fenton internal circulation oxidation device
  • A pulse type fenton internal circulation oxidation device
  • A pulse type fenton internal circulation oxidation device

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Embodiment Construction

[0027] refer to Figure 1 to Figure 3 , which shows the specific structure of the preferred embodiment of the present invention. The structural characteristics of each element of the present invention will be described in detail below, and if there is a description of the direction (up, down, left, right, front and back), it is based on figure 2 or image 3 The shown structure is a reference description, but the actual use direction of the present invention is not limited thereto.

[0028] The present invention provides a pulse type Fenton internal circulation oxidation device, comprising a Fenton oxidation tower 1 and a pulse tank 2 arranged above the Fenton oxidation tower 1, the Fenton oxidation tower 1 has a closed inner cavity, and the Fenton oxidation tower 1 The oxidation tower 1 is provided with a pulse main pipe 11 extending into the bottom of the inner cavity, the pulse tank 2 is provided with a pulse pipe 21 connected to the top nozzle of the pulse main pipe 11, ...

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Abstract

Provided is a pulse type Fenton internal circulation oxidation device, comprising a Fenton oxidation tower (1) and a pulse tank (2) arranged above the Fenton oxidation tower (1). The Fenton oxidation tower (1) has a closed cavity inside. A pulse main pipe (11) extending into the bottom portion of the cavity is arranged on the Fenton oxidation tower (1). A pulse pipe (21) is provided on the pulse tank (2) and is connected to a pipe orifice at the top end of the pulse main pipe (11). The Fenton oxidation tower (1) is provided with a water inlet channel, a water outlet channel (12), a dosing channel and an internal circulation water outlet (13). The pulse tank (2) is provided with an internal circulation water inlet (22). The internal circulation water outlet (13) and the internal circulation water inlet (22) are connected by means of a pipeline (3) on which a lift pump (31) is provided. On the basis of the traditional process, the device combines the pulse tank, internal circulation and Fenton oxidation tower, so that Fe 2+ in the Fenton oxidation tower can flow with the water through the pulse main pipe of the pulse tank into the Fenton oxidation tower for secondary use. The process has strong oxidation capability, and can effectively degrade organics which are difficult to treat by means of a biochemical process. The process hence increases the reuse frequency of agents and reduces the amount of agent usage, and is more economical and effective.

Description

technical field [0001] The invention is used in the technical field of waste water treatment, and in particular relates to a pulse type Fenton internal circulation oxidation device. Background technique [0002] The Fenton oxidation reactor is a relatively effective advanced sewage oxidation treatment process in the chemical oxidation method. Fenton oxidation is a technology that uses catalyst or photoelectrochemical action to generate strong oxidizing hydroxyl radicals (OH) through hydrogen peroxide to treat organic matter. The Fe-Fenton oxidation method is to make H 2 o 2 in Fe 2+ Under the action of catalysis, OH is decomposed to produce OH, and its oxidation potential reaches 2.8V, which is one of the strongest oxidation sites. It oxidizes and decomposes organic matter into small molecules through electron transfer and other ways. Its formation mechanism is as follows: [0003] Fe 2+ + H 2 o 2 → Fe 2+ + OH - + OH (1) [0004] Fe 2+ + OH → Fe 3+ + OH -...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/72
CPCC02F1/722C02F2209/04C02F2305/026
Inventor 陈欣义
Owner GUANGZHOU GUANGSHEN ENVIRONMENTAL PROTECTION TECH CO LTD
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