Views: 0 Author: Site Editor Publish Time: 2025-11-14 Origin: Site
Carbon molecular sieves are adsorption materials with a porous structure, and their adsorption effect is mainly based on factors such as molecular size and polarity. For some radioactive gases, such as radioactive iodine vapor (131I, etc.) and xenon gas (133Xe, etc.), if their molecular size matches the pore size of carbon molecules and their molecular polarity and other properties are suitable for adsorption, then carbon molecular sieves can adsorb them. For instance, when the pore size distribution of carbon molecular sieves is within a certain range and radioactive gas molecules can enter their pores, they will be adsorbed on the surface of the pore walls.
However, the adsorption capacity of carbon molecular sieves for radioactive gases is also limited by some factors. Firstly, different types of carbon molecular sieves have different pore size distributions, surface chemical properties, etc., which will affect the adsorption selectivity and adsorption capacity for radioactive gases. Secondly, the existence form, concentration of radioactive gas and environmental conditions (such as temperature, humidity, etc.) will also have an impact on the adsorption effect. In practical applications, it is usually necessary to select appropriate carbon molecular sieves based on the specific types of radioactive gases and working conditions, and to carry out optimized design and operation to achieve better adsorption effects.
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