1. Synthetic and natural MOR zeolites as high-capacity adsorbents for the removal of nitrous oxide.
- Author
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Yamashita K, Liu Z, Iyoki K, Chen CT, Miyagi S, Yanaba Y, Yamauchi Y, Okubo T, and Wakihara T
- Subjects
- Adsorption, Ion Exchange, Air Pollutants chemistry, Nitrous Oxide chemistry, Zeolites chemistry
- Abstract
N
2 O is typically present as a trace gas in chemical processes, but its emission causes serious environmental issues. We herein demonstrate that ion-exchanged mordenite zeolites (framework code: MOR) can exhibit high capacities for N2 O adsorption under ambient conditions. In particular, a natural MOR zeolite gives an adsorption capacity as high as 0.34 mmol-N2 O per g-zeolite (1 atm, 25 °C), representing the best performing material among all zeolite-based adsorbents reported so far. The results contribute toward a comprehensive understanding of the structure-activity relationship and offer insights to establishing a zeolite-based adsorption system for enriching or removing N2 O.- Published
- 2021
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