discuss: pressure swing adsorption carbon dioxide

I don’t think this is too strictly defined. In some processes, the carbon dioxide content after removal is between 0.1 and 0.2%, so I think anything higher than this value can be used. The specific separation effect needs to be examined. Below is a passage I found in a paper: The PSA decarbonization device used in the synthetic ammonia plant is divided into two processes according to the different needs of the synthetic ammonia plant. One is the PSA decarbonization process for the purpose of increasing the production of liquid ammonia instead of carbonization. The purified gas after decarburization has a C0: content of less than 0.25% and is directly sent to the refining process. The C0 in the decarburized gas is generally between 0.1% and 0.2%. This decarburization process removes most of the impurities (such as CH4 and CO) while removing the C0. Another PSA decarbonization process uses decarbonized purified gas for methanol production. It removes CO while retaining CO in the shift gas. Generally, the CO2 content in the decarbonized gas is controlled at a level of 1% to 5%. The CO yield of this process can reach more than 90%. If you want to see it in detail, you can download it.: http://d.namipan.com/d/aaa3fafe6d8545dc4280978b52dd182811420e34e57a3d00