Chlorine Dioxide Generator Dosing Systems Unit XBF-1000 A/B pot ( Positive Pressure Intelligent Type )

Hey, folks! Today we will talk about chlorine dioxide disinfectant in the environmental disinfection of this matter. This chlorine dioxide ah, in the field of disinfection that is quite capable, the following by me to give you a detailed explanation.

What is chlorine dioxide 

Chlorine dioxide, it is a super strong oxidizer. As early as the 1920s, it was discovered that it had a disinfectant effect. In 1984, it was officially categorized as a chemical sterilant, and in 1988 it was approved by the EPA for use as a disinfectant. It is different from the general chlorine disinfectant, mainly rely on oxidation to disinfect, rather than chlorination. In this way, in the disinfection process will not produce organic chlorine compounds, which is very critical, after all, organic chlorine compounds may be potentially harmful to human health.

Chlorine dioxide in water is relatively stable, so its aqueous formulations can be useful in many places, such as to the disinfection of drinking water, to the disinfection of fruits and vegetables, to the swimming pool disinfection and so on. However, if it is used to disinfect space, it is a bit troublesome. On the one hand, it may corrode metal materials; on the other hand, it is difficult to ensure that it can cover every corner of the disinfection object by wiping, spraying or atomizing the water solution.

Later, ah, people found that a relatively low concentration of gaseous chlorine dioxide also has a strong sterilization effect. Compared with the gasification of hydrogen peroxide, gas chlorine dioxide at room temperature is a real gas, diffusion and penetration are particularly good, can be a large space for disinfection. And compared with formaldehyde gas, it is not carcinogenic, no need to neutralize after disinfection, and the disinfection time is short and well controlled.

Advantages of chlorine dioxide in environmental disinfection 

With the emergence of small-scale chlorine dioxide fumigation equipment, it has begun to show its hand in many places. Like animal rooms, clean rooms, pharmaceutical workshops, biosafety laboratories, these particularly high health requirements of the place, you can often see its figure. Why is chlorine dioxide so popular? Mainly because it is good disinfection, but also environmental protection, time-consuming and short, with a relatively convenient.

Factors affecting the effect of chlorine dioxide disinfection 

However, chlorine dioxide disinfection is not just use it, many factors will affect its disinfection effect.

Environmental humidity 

Humidity can have a great impact on the sterilization effect of chlorine dioxide. Studies have found that the higher the environmental humidity, the stronger the ability of chlorine dioxide sterilization. As in a humid environment, the bacteria's “protective shell” will be softened, chlorine dioxide is easier to drill into the bacteria to kill. But the humidity can not be too large, if too large, the smooth surface is easy to condensation, metal surfaces will also be corroded. After experimentation, the environment relative humidity control at about 75% is the most appropriate.

Organic interferences 

There are organic interferences in so many places in life, like bovine serum albumin is one. These things are like to put on a layer of bacteria “protective clothing”, will prevent chlorine dioxide to penetrate the bacteria, reduce the damage to the internal material of bacteria, thus reducing the disinfection effect. Therefore, if you disinfect in the environment with organic interference, you have to increase the concentration of chlorine dioxide or extend the disinfection time.

Object surface materials 

Different object surface materials also have a great influence on the disinfection effect of chlorine dioxide. For example, filter paper, cotton cloth and stainless steel, they are not the same material, the chlorine dioxide tolerance is also different. Filter paper is easier to kill bacteria, while cotton cloth and stainless steel are harder. The spore suspension on cotton is not easy to spread evenly, easy to form spore clumps, and cotton threads may be more difficult to penetrate; stainless steel, if there is an organic interfering agent, it will form a higher density package, and it is compared to the filter paper, the disinfection is not penetrative, but only a single-side contact, all of which leads to stainless steel is more difficult to be killed.

Parameter Determination for Chlorine Dioxide Disinfection 

In order to determine the disinfection parameters needed for chlorine dioxide to reach space sterilization levels, researchers did so many experiments. They used a commercial bioindicator, known as Bacillus subtilis tablets, and tested it under different disinfection parameters and experimental conditions. It was found that 300 ppm chlorine dioxide disinfection for 3 hours basically achieves space sterilization levels. However, this is not absolute, but also have to consider the environmental humidity, organic interference, the object surface material these factors. If the environmental humidity, organic interference or disinfection object is like stainless steel, cotton and other materials, may have to increase the concentration of chlorine dioxide or extend the disinfection time.

Chlorine dioxide disinfection of the practical application of the proposal 

that in daily life, we should be how to correctly use chlorine dioxide for environmental disinfection? First of all, according to the size of the disinfection space, environmental humidity, there is no organic interference and object surface materials, etc., a reasonable choice of chlorine dioxide concentration and disinfection time. If it is in the general indoor environment disinfection, humidity is appropriate, there is not too much organic interference, the object surface is also relatively easy to disinfect, you can refer to some appropriate concentration and time standards. But if it is in some special places, like the biosafety laboratory mentioned earlier, then it is necessary to strictly follow the professional requirements.

And ah, the use of chlorine dioxide disinfection, be sure to do a good job of protective measures, after all, it is a chemical substance, the human body still has some harm. After the completion of disinfection, we should also pay attention to ventilation, so that the residual chlorine dioxide dispersed as soon as possible.

In short, chlorine dioxide disinfectant has great advantages in environmental disinfection, but also have to be used correctly in order to play out the best results. I hope that we can understand it, when needed, the rational use of it, so that our living environment is more healthy and safe!