1. Molecular sieves 4A, 5A, 13X and NaY were used to investigate the single-component CO2 and CO2/CH4 gas mixture.
2. The 13X molecular sieve adsorbent had the largest breakthrough adsorption capacity for CO2.
3. The presence of water had a significant effect on the adsorption performance of 5% (mass fraction) molecular sieves on CO2/CH4.
The article is generally reliable and trustworthy, as it provides detailed information about the experiment conducted and its results. However, there are some potential biases that should be noted. Firstly, the article does not provide any information about the methodology used in the experiment or any other details that could help to verify its accuracy and reliability. Secondly, there is no discussion of possible risks associated with using molecular sieves for carbon dioxide adsorption or any counterarguments to the findings presented in the article. Additionally, there is no mention of alternative methods for carbon dioxide adsorption or any comparison between them and molecular sieves. Finally, while the article does present both sides of the argument equally, it does not explore any potential implications of using molecular sieves for carbon dioxide adsorption or discuss any potential long-term effects that may arise from their use.