Device for synthesizing hydrogen peroxide through direct-current corona discharge water mist and method

A technology of direct current corona and hydrogen peroxide, applied in chemical instruments and methods, peroxide/peroxyhydrate/peroxyacid/superoxide/ozonide, inorganic chemistry, etc., can solve the problems of low yield and achieve The effect of high yield, low current and large processing flow

Active Publication Date: 2018-06-12
HOHAI UNIV CHANGZHOU
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Problems solved by technology

[0004] The present invention aims to solve the existing non-equilibrium plasma activation of hydrogen and oxygen molecules to synthesize H 2 o 2 The problem of low yield

Method used

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  • Device for synthesizing hydrogen peroxide through direct-current corona discharge water mist and method
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  • Device for synthesizing hydrogen peroxide through direct-current corona discharge water mist and method

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Embodiment Construction

[0040] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0041] (1) Constructing a device for synthesizing hydrogen peroxide from water mist by direct current corona discharge

[0042] figure 2shows the device structure diagram of the present embodiment; figure 2 The middle valve V1 controls the inflow of the liquid source at the initial end, and the valve V2 controls the inflow of the synthesized hydrogen peroxide into the H 2 o 2 In the separator, valve V3 controls H 2 o 2 The remaining solution after separation in the separator is recycled, the valve V4 controls the gas source inflow, and the valve V5 controls the H 2 o 2 The hydrogen peroxi...

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Abstract

The invention discloses a device for synthesizing hydrogen peroxide through direct-current corona discharge water mist and a method. The device comprises a gas-liquid inlet control unit, a gas-liquidmixing generation unit, a high-voltage exciting unit, a gas-liquid separating unit, an O2-O3 separating unit, an O2 circulating unit, an H2O2 separating unit, a control unit, a pressure sensor and a flow sensor, wherein the pressure sensor is used for measuring gas-liquid pressure, and the flow sensor is used for measuring gas-liquid flow. According to the device and the method, by adopting line-to-line array type high-voltage direct-current corona discharge, a nonequilibrium plasma treatment system is established in water mist spraying; through spraying water mist jet flow by adopting a spraynozzle, the diffusion area is wide, and the treatment flow rate is high; a line-to-line array type reactor is simple to manufacture, the self-capacitance can be reduced, the energy loss can be reduced, and a large-area discharge area is applicable to high-flow-rate production; by adopting corona discharge, the electric current is low, and the power consumption is low; raw materials for preparingthe hydrogen peroxide are easily obtained, and the yield is high, so that the device and the method are applicable to large-scale preparation of the hydrogen peroxide.

Description

technical field [0001] The invention relates to the technical field of plasma synthesis of chemicals, in particular to a device and method for synthesizing hydrogen peroxide from water mist by direct current corona discharge. Background technique [0002] In recent years, the environmental application of discharge plasma has become the frontier of scientific research and has become an increasingly popular topic. As a kind of advanced oxidation process (AOPs), discharge plasma has more remarkable characteristics, and it has the advantages of high efficiency and fast speed compared with the process of biodegradation and absorption. In addition, discharge plasma (APP) can be generated at atmospheric pressure or higher pressure without using expensive vacuum equipment, which has more economic and application value. Therefore, discharge plasma APPs have good application prospects in the fields of air purification, water treatment, ozone synthesis, surface treatment, biomedicine,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B15/029
CPCC01B15/0295
Inventor 徐小慧陈秉岩李沁书苏巍刘子豪陈玉伟蒋永锋
Owner HOHAI UNIV CHANGZHOU
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