How to make ozone, how to measure ozone, how to test ozone... 5

I think that such professional problems can be consulted with the relevant ozone industry, and you can find a company to consult.

Categories: Education, Science, >> Science & Technology.

Problem description: It is made with simple utensils and cheap chemicals.

Analysis: At present, the main methods of artificial ozone generation mainly include: electrochemical method, photochemical method and corona discharge method.

Electrochemical method. The electrochemical method is a method of producing ozone by electrolyzing oxygenated electrolytes using a DC power source. The ozone generated by electrolysis has a high sampling concentration, pure composition and high solubility in water, and has a wide range of prospects in medical treatment, food processing, aquaculture and household applications. However, the cost of generating ozone by electrolysis is relatively high.

Photochemical method. The essence of the photochemical method is to imitate the method of ultraviolet rays over the atmosphere to promote the decomposition and polymerization of oxygen molecules into ozone, that is, the method of using artificially generated ultraviolet rays to promote the decomposition and polymerization of oxygen molecules into ozone. The advantage of this method to produce ozone is that it is not sensitive to temperature and humidity, and has good repeatability; At the same time, the ozone concentration and output can be controlled by the lamp power line. The disadvantage is that ozone production is low, making it unsuitable for large-scale use.

Corona discharge method.

Corona discharge method is the process of generating ozone by making oxygen-containing gas under the action of alternating high-voltage electric field under atmospheric pressure. Corona discharge ozone generator is an ozone generator with low relative energy consumption, the largest ozone output per unit, the highest market share and the most widely used. Corona discharge method is divided into three types: flat plate type, glass tube type, and pulley type.

According to the dielectric, the flat plate type is divided into glass tube type and ceramic surface type; According to the electrode form, it can be divided into mesh electrode type and tubular electrode type. The following is an example of a flat plate to illustrate how it works.

When the alternating high-voltage electricity acts on the two poles, the discharge phenomenon will occur between the plates, and the oxygen flowing in the discharge space will decompose under the action of discharge, and free oxygen atoms appear, and the oxygen atoms will react with oxygen to form ozone. This flat plate ozone generator has a simple structure, good maintainability and good performance, and has the conditions for miniaturization, which is generally used in small household machines.

The national standards for ozone will have different concentration requirements according to different uses, so you should want to know the safe concentration of ozone. The starting concentration of ozone toxicity is:

ppm, and the concentration of ozone in the air that can be smelled by humans is.

ppm, based on the test results of ozone toxicity to pulmonary function, ppm is proposed as the upper limit of ozone allowable concentration. The Ministry of Health has set a maximum allowable concentration of ozone at mg m

ppm)。To detect the concentration of ozone in the air, it is good to buy an ozone detector with the appropriate range and accuracy.

The standard concentration of ozone refers to the gas outlet concentration of the ozone machine. When the concentration of ozone in the air is reached, people with a keen sense of smell can smell it, but this concentration is harmless to the human body. However, for the sake of good health, try to disinfect the room when there is no one at home, and the current Zhankun ozone machine has a timing function, which is timed for about half an hour when you go out of work in the morning, and there is no ozone smell after returning from work, and the disinfection effect is achieved.

With pond willow ozone detection box, the accuracy is more than 99%, the result is produced in 5 minutes, and it can be used many times at low cost.

Detected with an ozone detector. Or contrast the color card with a test pill. Cheap.