Journal
CATALYSIS COMMUNICATIONS
Volume 11, Issue 8, Pages 705-709Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2010.01.025
Keywords
Gasoline; Desulfurization; Alkylation; Solid phosphoric acid catalyst; MCM-41
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Funding
- National Petroleum Company Limited of China [0603A010103]
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The alkylation of thiophenic sulfur compounds with olefins in FCC gasoline followed by distillation of heavy compounds is a good alternative to classical desulfurization technologies. In this study, the preparation condition of MCM-41 supported phosphoric acid catalyst was optimized and the activity tests in real gasoline proved that the optimal catalyst was promising to be applied in the alkylation transfer process of thiophenic sulfurs compared to the HY zeolite previously studied. Moreover, characterization results obtained by XRD and NH3-TPD revealed that the factors affecting on catalytic activity such as surface acid properties and crystallinity were greatly influenced by preparation conditions. (C) 2010 Elsevier B.V. All rights reserved.
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