Net-gas products are now more and more accepted by everyone. As the market becomes more and more accepted, many manufacturers gradually enter this field. For users, it is very important to choose the best quality filter. Importantly, this article will detail the advantages of Huafeng Technology's filters.
What is the main component of the filter ?
The main component of the filter is activated carbon, in which activated carbon is best produced from coconut shell. Now with the development of new technologies, the ellipses pursue high yields of ellipses and copra, and the oval shells are getting thinner and thinner, and the cost of the corresponding coconut shell carbon is getting higher and higher.
Is there any other adsorbent material in the filter?
The filter technology is a modular technology. It is not a simple addition of some activated carbon. It consists of different adsorption layers. Different manufacturers have great differences in the technology of filters. Huafeng has passed many years of research. Not only can you understand the saturation of the filter well, but also increase the adsorption capacity of the filter.
Look at the adsorption process for the four different filters shown in the table below:
As shown in Fig. 4 above, although the graph A, B, C, and D all achieve the same adsorption amount, the concentration after the filter is 5 ppm, but by observing the adsorption process of the filter shown in the figure, the retention force of the graph D is more Longer, that is, the D-type filter can keep the chemical from being released from the filter for a while, but once released, its process will be faster.
So a good filter module, it will be composed of a variety of adsorbent materials, but also considering the distribution of airflow, uniformity, speed, and the choice of filter materials, design. This is a very complicated process.
What is the saturation of the filter?
What is the saturation of the filter? The only criterion for filter saturation determination is the concentration of the chemical released after the filter is viewed. Therefore, the same filter has different criteria for different chemicals, and the adsorption amount is different. . For example, for substance A, its TWA value is 100mg/m3. According to the JG/T 385-2012 standard of the People's Republic of China, when the concentration of substance A after the filter reaches 1% TWA, that is, 1mg/m3, we It is determined that the filter is saturated.
What is the adsorption principle of the filter?
In the previous article, I also mentioned the adsorption principle of filters, mainly two different processes of physics and chemistry. Some customers will ask how the amount of adsorption is calculated when there are multiple chemicals. Is a superimposed process, or a process that does not affect each other. The correct process is neither a simple superposition nor a mutual influence. It depends on the structure and molecular weight of the chemical molecule, and the similar structure and approximate molecular weight of the chemical substance can be attributed to Superimposed, but very different chemical molecules can be attributed to no effect.
In summary, the quality of the filter is not only related to the amount of expenditure, but also related to the occupational health and safety of the customer. Please choose Huafeng Technology, a professional supplier of clean gas products.
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