@article{903add259e6f41b7b1337b6852ab6500,
title = "Catalytic selective ethane dehydrogenation at low-temperature with low coke formation",
abstract = "Catalytic ethane dehydrogenation (EDH) was investigated to improve the efficient production of ethylene, an extremely important chemical feedstock. The perovskite oxide YCrO3 was found to be more suitable than earlier reported catalysts because it exhibits greater activity and C2H4 selectivity (94.3%) in the presence of steam at 973 K. This catalyst shows the highest activity than ever under kinetic conditions, and shows very high ethane conversion under integral reaction conditions. Comparison with EDH performance under conditions without steam revealed that steam plays an important role in stabilizing the high activity. Raman spectra of spent catalysts indicated that steam prevents coke formation, which is responsible for deactivating YCrO3. Transmission IR and XPS measurements also revealed a mechanism by which H2O forms surface oxygen species on YCrO3, consequently removing C2H6-derived coke precursors rapidly and inhibiting coke accumulation.",
author = "Kosuke Watanabe and Takuma Higo and Hideaki Tsuneki and Shun Maeda and Kunihide Hashimoto and Yasushi Sekine",
note = "Funding Information: We appreciate Dr Tetsuo Homma and Dr Takeshi Watanabe (Japan Synchrotron Radiation Research Institute, SPring-8) for their great supports in XAFS measurements in BL14B2. We also appreciate Prof. S. Yamazoe (Tokyo Metropolitan Univ.) for his great support in XAFS analyses. We appreciate Mr Hiroshi Sampei and Mr Taku Matsuda (Waseda Univ.) for giving great support for TEM and SEM measurement. The TEM, EDX and SEM studies of this work were the results of using equipment (TEM and EDX: JEM-2100; JEOL, SEM: S-3000N; HITACHI) in the Material Characterization Central Laboratory shared on the MEXT Project for promoting public usage of advanced research infrastructure (Program for supporting construction of core facilities) Grant Number JPMX04405022. We also appreciate Mr Takahiro Gotoh (Material Characterization Central Laboratory, Waseda Univ.) for his support on the transmission electron diffraction of the TEM measurements. Publisher Copyright: {\textcopyright} 2022 The Royal Society of Chemistry.",
year = "2022",
month = aug,
day = "30",
doi = "10.1039/d2ra04401c",
language = "English",
volume = "12",
pages = "24465--24470",
journal = "RSC Advances",
issn = "2046-2069",
publisher = "Royal Society of Chemistry",
number = "38",
}