Application of Activated Carbon in PSA Adsorption
The application of activated carbon in pressure swing adsorption is mainly reflected in its wide application as an adsorbent in natural gas concentration research, hydrogen purification and other gas treatment processes. Natural gas concentration research: Activated carbon is widely used as an adsorbent in natural gas concentration research because its surface is hydrophobic and the adsorption of non-polar molecule CH4 is less affected by water. In addition, activated carbon also has the advantages of large specific surface area, developed pore structure, stable chemical properties, acid and alkali resistance, high mechanical strength, easy regeneration and low cost, making it an ideal natural gas concentration adsorption material1. Hydrogen purification: In the process of hydrogen purification, activated carbon is used as an adsorbent, and pressure swing adsorption (PSA) technology can be used to achieve efficient purification of hydrogen. PSA technology has the characteristics of high purity, low energy consumption and high degree of automation, and is the main separation technology for hydrogen production at present. Optimizing the pressure swing adsorption process and improving the adsorbent are the keys to the further development of PSA hydrogen production, and activated carbon plays an important role in the hydrogen purification process due to its excellent adsorption...
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