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A method for separating oxygen and ozone

A technology of ozone and oxygen, applied in the direction of oxygen preparation, ozone preparation, inorganic chemistry, etc., can solve the problem that ozone cannot be used

Inactive Publication Date: 2015-10-28
蹇守民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Decompose ozone or react with ozone to form other substances, and ozone cannot be used

Method used

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  • A method for separating oxygen and ozone
  • A method for separating oxygen and ozone
  • A method for separating oxygen and ozone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for separating oxygen and ozone, comprising the following steps:

[0022] A. Adsorbing ozone to collect oxygen: Put the mixed gas of oxygen and ozone into the container filled with ozone adsorbent, control the pressure in the container to 0.1mpa, and absorb the ozone. The oxygen is collected at the outlet of the container. When ozone molecules are detected in the oxygen, stop feeding the mixed gas and stop oxygen collection;

[0023] B. Ozone desorption and collection: carry out air purge and desorption on the adsorbent in the container, collect the gas released in the container, and stop the collection when no ozone molecules are detected in the gas;

[0024] Ozone adsorbent is prepared by the following steps:

[0025] (1) Material preparation: sodium silicate was configured as a solution with a mass percentage of silicon dioxide of 17% to obtain the first solution; sulfuric acid was configured as a solution with a mass percentage of 18% to obtain the second ...

Embodiment 2

[0032] A method for separating oxygen and ozone, comprising the following steps:

[0033] A. Adsorbing ozone to collect oxygen: Put the mixed gas of oxygen and ozone into the container filled with ozone adsorbent, control the pressure in the container to 0.1mpa, and absorb the ozone. The oxygen is collected at the outlet of the container. When ozone molecules are detected in the oxygen, stop feeding the mixed gas and stop oxygen collection;

[0034] B. Ozone desorption and collection: carry out air purge and desorption on the adsorbent in the container, collect the gas released in the container, and stop the collection when no ozone molecules are detected in the gas;

[0035] Ozone adsorbent is prepared by the following steps:

[0036] (1) Material preparation: sodium silicate was configured as a solution with a mass percentage of silicon dioxide of 17% to obtain the first solution; sulfuric acid was configured as a solution with a mass percentage of 19% to obtain a second so...

Embodiment 3

[0043] A method for separating oxygen and ozone, comprising the following steps:

[0044] A. Adsorbing ozone to collect oxygen: Put the mixed gas of oxygen and ozone into the container filled with ozone adsorbent, control the pressure in the container to 0.1mpa, and absorb the ozone. The oxygen is collected at the outlet of the container. When ozone molecules are detected in the oxygen, stop feeding the mixed gas and stop oxygen collection;

[0045] B. Ozone desorption and collection: carry out air purge and desorption on the adsorbent in the container, collect the gas released in the container, and stop the collection when no ozone molecules are detected in the gas;

[0046] Ozone adsorbent is prepared by the following steps:

[0047] (1) Preparation of materials: disposing sodium silicate into a solution with a mass percentage of silicon dioxide of 17% to obtain the first solution; disposing sulfuric acid into a solution with a mass percentage of 20% to obtain a second solu...

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Abstract

The invention discloses a method for separating oxygen from ozone. The method comprises the following steps: adsorbing ozone and collecting oxygen; desorbing and collecting the ozone, wherein an ozone adsorbent is prepared by the following steps: (1) preparing materials, to be specific, preparing sodium silicate into a solution with 17-18% by mass of silicon dioxide, and preparing sulfuric acid into a solution with the mass percentage of 18%-22%; (2) depositing; (3) performing enhanced mixing and granulating; (4) performing acid washing for the first time; (5) performing acid washing for the second time; (6) drying, to be specific, putting a solid obtained from the step (5) into a drying machine for drying until the water content is within 3% to obtain the granular adsorbent. Due to the adoption of the method, the oxygen and the ozone can be recycled respectively, the oxygen recovery rate reaches more than 95%, the ozone recovery rate reaches more than 83%, and the ozone concentration can be increased by 2.5 times.

Description

technical field [0001] The invention relates to a method for separating mixed gases, in particular to a method for separating oxygen and ozone. Background technique [0002] Industrial production of ozone is mainly realized by using oxygen through high-voltage discharge to obtain a mixed gas of ozone and oxygen, of which the mass percentage of ozone is only about 10%. Because ozone and oxygen cannot be separated, the concentration of ozone is low and there is a large amount of oxygen The waste is not utilized. Ozone can be "adsorbed" by a variety of substances, such as various zeolite molecular sieves, activated carbon, hopcalate, etc., but the "adsorption" of these substances to ozone either destroys the molecular structure of ozone and restores it to oxygen, and some reacts with ozone A compound that reacts chemically to form oxygen. After such "adsorption" the ozone no longer exists. [0003] The Chinese utility model patent with application number 20072014886.4 disclo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B13/10C01B13/02B01J20/10
Inventor 蹇守民
Owner 蹇守民