重油催化裂解汽柴油二次裂解性能研究

TE6; This paper investigated the secondary cracking of gasoline and diesel from the catalytic pyrolysis of Daqing atmospheric residue on catalyst CEP-1 in a fluidized bed reactor.The results show that the secondary cracking reactivity of gasoline and diesel is poor, and the yield of total light olef...

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Published in:中国化学工程学报（英文版） 2007, Vol.15 (3), p.309-314
Main Authors: 刘植昌, 孟祥海, 徐春明, 高金森
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container_title 中国化学工程学报（英文版）
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creator 刘植昌
孟祥海
徐春明
高金森
description TE6; This paper investigated the secondary cracking of gasoline and diesel from the catalytic pyrolysis of Daqing atmospheric residue on catalyst CEP-1 in a fluidized bed reactor.The results show that the secondary cracking reactivity of gasoline and diesel is poor, and the yield of total light olefins is only about 10% (by mass).As reaction temperature increases, ethylene yield increases, butylene yield decreases, and propylene yield shows a maximum.The optimal reaction temperature is about 670 ℃ for the production of light olefins.With the enhancement of catalyst-to-oil mass ratio and steam-to-oil mass ratio, the yields of light olefins increase to some extent.About 6.30% of the mass of total aromatic rings is converted by secondary cracking, indicating that aromatic hydrocarbons are not easy to undergo ring-opening reactions under the present experimental conditions.
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title 重油催化裂解汽柴油二次裂解性能研究
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