|
| Research progress on hydrophobic modification regulation and adsorption-separation of zeolites |
|
Received:April 16, 2025
Revised:June 09, 2025
Accepted:October 16, 2025
Published Online:April 30, 2026
|
| View Full Text View/Add Comment Download reader |
| DOI：10.3969/j.issn.1005-7854.2026.01.012 |
| KeyWord:molecular sieve;dewatering modification;gas adsorption;gas separation;polluting gases |
|
| 1.Engineering Research Center for Energy Conversion and Storage Technology of Guizhou, School of Chemistry and Chemical Engineering, Guizhou University, Guiyang 550025, China;2.School of Resources and Environmental Engineering, Guizhou Institute of Technology, Guiyang 550003, China;3.SPIC Central Research Institute, Research Center of Carbon Neutrality, Beijing 102200, China |
| Hits: 82 |
| Download times: 13 |
| Abstract: |
| Porous molecular sieves demonstrate remarkable advantages in adsorptive separation of pollutant gases due to their tunable pore architectures and surface-active sites. However, under high-humidity operating conditions, the inherent hydrophilic Si―OH groups on molecular sieve surfaces exhibit preferential water molecule adsorption. This phenomenon induces deactivation of adsorption-active sites and subsequent pore channel occlusion, ultimately resulting in severe degradation of separation efficiency. To address this bottleneck, hydrophobic modification has emerged as a critical strategy to enhance the hydrothermal stability of molecular sieves by suppressing competitive water molecule adsorption. Furthermore, building upon research progress in hydrophobically modified molecular sieves, we systematically discuss their application advancements in adsorptive separation of pollutant gases under moisture-saturated operating conditions, providing valuable references for both scientific research and practical implementation in related fields. |
| Close |
|
|
|