期刊
JOURNAL OF NANOSTRUCTURES
卷 12, 期 4, 页码 983-998出版社
UNIV KASHAN PRESS
DOI: 10.22052/JNS.2022.04.020
关键词
Adsorption; MIL-101 Nanoadsorbents; Natural gas dehydration; Regeneration
This study investigates the potential usage of MIL-101 as an attractive adsorbent for natural gas dehumidification. The results show that MIL-101 exhibits high water capacity and stability, making it an effective and regenerable desiccant.
In this study, the possible usage of MIL-101 as an attracting adsorbent for natural gas dehumidification is investigated via static and dynamic water vapor adsorption. On this principle, MIL-101 nano-adsorbent with different types of additives were synthesized by solvothermal method. The framework and morphology of the adsorbents were characterized by SEM, PXRD and BET techniques. For these novel desiccants, higher regenerability and drying efficiency were acquired compared to those of the commercial silica gel and zeolite 3A. The results showed that the MIL -101 is an effective sorbent for drying the natural gas for which the water capacity at P/P0 = 0.9 was 1.41 wt.%(300-400% more than counterparts). The experiments confirmed that the nanoadsorbents for both type of powder and shaped forms are water stable, and no remarkable loss in adsorption capacity was observed even after tenth adsorption/desorption cycles. Thus, it could be simply regenerated at low temperatures.
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