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Device and method for preparing hydrogen peroxide by using plasma discharge

A technology of hydrogen peroxide and plasma, applied in chemical instruments and methods, peroxide/peroxyhydrate/peroxyacid/superoxide/ozonide, inorganic chemistry, etc., can solve the application of green oxidants Prospects, complex preparation process, high production cost and other issues, to achieve the effect of improving utilization efficiency, speeding up preparation rate and increasing yield

Inactive Publication Date: 2016-08-17
FUDAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the anthraquinone method is a mature technology, the preparation process is complicated, involving processes such as hydrogenation, oxidation, extraction, concentration and purification, and recycling of working fluid and 2-ethylanthraquinone. There are problems such as large equipment investment and high production costs.
In addition, a large amount of chemical pollution will be generated in the process of preparing hydrogen peroxide by anthraquinone method, which violates the application prospect of green oxidants in the cleaning of bulk chemical production technology

Method used

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  • Device and method for preparing hydrogen peroxide by using plasma discharge
  • Device and method for preparing hydrogen peroxide by using plasma discharge
  • Device and method for preparing hydrogen peroxide by using plasma discharge

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Embodiment

[0035] In this embodiment, the device casing is made of plexiglass, and is divided into two parts, the lower reservoir and the upper discharge area, by a detachable outer wall structure. Its specific processing parameters are:

[0036] 1) The cross-sectional area of ​​the upper and lower parts of the reaction chamber is 100mm×100mm;

[0037] 2) There is an air inlet round hole at the top of the two opposite outer walls at the front and back of the reservoir;

[0038] 3) The top of the side wall of the reservoir is made into a stepped structure with long inside and short outside, corresponding to the upper discharge area, so that the upper discharge area can be firmly set on the lower reservoir;

[0039] 4) Dig a cylindrical groove in the center of the bottom of the reservoir to fix the position of the ultrasonic atomizer;

[0040] 5) The array type discharge electrode has 6 high-voltage electrodes and 7 ground electrodes in each layer, a total of 8 layers; The layer is tigh...

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Abstract

The invention belongs to the technical field of preparation of chemicals, and particularly relates to a device and method for preparing hydrogen peroxide by using plasma discharge. The device is composed of a pulse power source, a water storage tank, a detachable outer wall structure, an ultrasonic atomizer, an array-type discharge electrode, a gas outlet diversion fan and a water mist condensation structure. The ultrasonic atomizer is utilized to generate water mist. The gas inlet hole, gas outlet diversion fan and integrally closed structure of the device are utilized to form an upward gas flow, and the introduced oxygen carries the misty water drops to pass through the discharge region upwards. Under the action of the plasma, double-dielectric barrier discharge occurs to generate the hydrogen peroxide. By using water as the raw material, the preparation process is simple and safe, and no pollutant is generated in the hydrogen peroxide production process, thereby implementing the clean mass chemical production technique of the green oxidizer in deed. The device and method are also suitable for flexible preparation of hydrogen peroxide in the fields of daily necessities, industry and medicine.

Description

technical field [0001] The invention belongs to the technical field of chemical preparation, and in particular relates to a device and a method for preparing hydrogen peroxide by using plasma discharge. Background technique [0002] Hydrogen peroxide, commonly known as hydrogen peroxide, is a colorless and transparent liquid that has a strong oxidation effect on organic matter and is generally used as an oxidant. Hydrogen peroxide is known as the green oxidant and the cleanest chemical product because it does not produce any polluting products after the oxidation-reduction reaction occurs. Hydrogen peroxide is mainly used in the fields of chemical synthesis, environment, medical treatment and semiconductor materials, etc., and can play a role in sterilization and removal of surface impurities. In addition, high concentrations of hydrogen peroxide can also be used as rocket power fuel. [0003] At present, the mainstream method for producing hydrogen peroxide on an industri...

Claims

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Application Information

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IPC IPC(8): C01B15/027
CPCC01B15/027
Inventor 刘克富徐迪邱剑郝春静
Owner FUDAN UNIV
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