催化裂化汽油重馏分中烯烃结构及其加氢性能对重汽油馏分辛烷值的影响

石油炼制与化工 ›› 2021, Vol. 52 ›› Issue (3): 1-7.

• 基础研究 • 下一篇

催化裂化汽油重馏分中烯烃结构及其加氢性能对重汽油馏分辛烷值的影响

曹丽媛,董立霞,赵亮,张宇豪,高金森,徐春明

中国石油大学（北京）重质油国家重点实验室

收稿日期:2020-09-16 修回日期:2020-11-10 出版日期:2021-03-12 发布日期:2021-03-01
通讯作者: 赵亮 E-mail:liangzhao@cup.edu.cn
基金资助:
中国国家自然科学基金;中国国家自然科学基金;中国国家重点研发计划;博士后创新人才支持计划

EFFECTS OF OLEFIN STRUCTURES AND HYDROGENATION PERFORMANCE ON OCTANE NUMBER OF HEAVY FCC GASOLINE FRACTION

Received:2020-09-16 Revised:2020-11-10 Online:2021-03-12 Published:2021-03-01
Contact: liang zhao E-mail:liangzhao@cup.edu.cn

摘要/Abstract

摘要： 采用计算和试验相结合的手段，研究了催化裂化汽油重馏分（HCN）中烯烃的结构、碳数及含量对汽油辛烷值的影响规律以及烯烃组分加氢性能对HCN辛烷值的影响规律。结果表明：当不同碳数烯烃的转化量相同时，碳数对HCN辛烷值的影响程度由大到小的顺序为C₈＞C₇≈C₉＞C₁₀；综合考虑烯烃含量时，也得出相同的结论。对烯烃加氢活性的研究表明，相同工艺条件下，随着烯烃碳数增大，烯烃的加氢饱和率降低，加氢难度增加，HCN 辛烷值的损失主要是由C8烯烃的加氢饱和引起的。

关键词: 烯烃, 加氢脱硫, 催化裂化汽油, 辛烷值, 重馏分

Abstract: The effects of olefin structure, carbon number and content in heavy FCC naphtha(HCN) gasoline on octane number of HCN were studied, and the effects of hydrogenation performance of olefins by HDS process on octane number of HCN were analyzed by means of calculation and experiment. The results showed that when the conversion amount of olefins with different carbon numbers was the same, the influence degree of carbon numbers on octane number of HCN was in the order of C₈ > C₇ ≈ C₉> C₁₀. When the olefin content is considered comprehensively, the same conclusion was drawn. The results of experiment also showed that under the same process conditions, with the increase of olefin carbon number, the hydrogenation saturation rate of olefin decreased and the hydrogenation difficulty increased. It is showed that the octane loss of HCN was mainly caused by hydrogenation saturation of C8 olefins

Key words: olefins, hydrodesulfurization, FCC gasoline, octane number, heavy fraction

曹丽媛董立霞赵亮张宇豪高金森徐春明. 催化裂化汽油重馏分中烯烃结构及其加氢性能对重汽油馏分辛烷值的影响[J]. 石油炼制与化工, 2021, 52(3): 1-7.

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催化裂化汽油重馏分中烯烃结构及其加氢性能对重汽油馏分辛烷值的影响

EFFECTS OF OLEFIN STRUCTURES AND HYDROGENATION PERFORMANCE ON OCTANE NUMBER OF HEAVY FCC GASOLINE FRACTION

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