Study on reformulation of fluid catalytic cracking gasoline and increasing production of light olefins |
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Authors: | Pingxiang YAN Xianghai MENG Jinsen GAO Chunmin XU Zhiyu SUI |
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Affiliation: | (1) State Key Laboratory of Heavyoil Processing, China University of Petroleum, Beijing, 102249, China |
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Abstract: | The effects of reaction temperature, mass ratio of catalyst to oil, space velocity, and mass ratio of water to oil on the
product distribution, the yields of light olefins (light olefins including ethylene, propylene and butylene) and the composition
of the fluid catalytic cracking (FCC) gasoline upgraded over the self-made catalyst GL in a confined fluidized bed reactor
were investigated. The experimental results showed that FCC gasoline was obviously reformulated under appropriate reaction
conditions. The olefins (olefins with C atom number above 4) content of FCC gasoline was markedly reduced, and the aromatics
content and octane number were increased. The upgraded gasoline met the new standard of gasoline, and meanwhile, higher yields
of light olefins were obtained. Furthermore, higher reaction temperature, higher mass ratio of catalyst to oil, higher mass
ratio of water to oil, and lower space velocity were found to be beneficial to FCC gasoline reformulation and light olefins
production.
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Translated from Chemical Reaction Engineering and Technology, 2006, 22(6): 532–538 译自: 化学反应工程与工艺] |
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Keywords: | fluid catalytic cracking gasoline catalytic reformulation light olefins |
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