期刊
JOURNAL OF ENERGY CHEMISTRY
卷 36, 期 -, 页码 141-147出版社
ELSEVIER
DOI: 10.1016/j.jechem.2019.07.006
关键词
Syngas conversion; Liquefied petroleum gas (LPG); Propane; Zeolites; SSZ-39; OX-ZEO; Bifunctional catalysts
资金
- Ministry of Science and Technology of China [2017YFB0602201]
- Chinese Academy of Sciences [XDA21020400]
- National Natural Science Foundation of China [91645204, 21425312, 21621063]
- Youth Innovation Promotion Association of Chinese Academy of Sciences [2019184]
- INCOE (International Network of Centers of Excellence) project
Oxide-Zeolite (OX-ZEO) bifunctional catalyst design concept has been exemplified in several processes to direct conversion syngas to value-added chemicals and fuels such as mixed light olefins, ethylene, aromatics and gasoline. Herein we demonstrate that the product can be steered toward liquefied petroleum gas (LPG) with a selectivity up to 89% in hydrocarbons especially propane selectivity reaching 80% at CO conversion of 63% using ZnCrOx-H-SSZ-39 catalyst. Interestingly, the quantity of the acid sites of SSZ-39 does not influence obviously the hydrocarbon distribution but the strength is crucial for selective formation of propane. This finding provides an alternative route of LPG synthesis from a variety of carbon resources via syngas. (C) 2019 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.
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