油浆抽余油FCC反应

化工进展

油浆抽余油FCC反应

傅亮，杨基和，杜明育

常州大学江苏省精细石油化工重点实验室，江苏常州 213164

出版日期:2013-04-05 发布日期:2013-04-05

FCC reaction of raffinate oil from slurry oil

FU Liang，YANG Jihe，DU Mingyu

Jiangsu Key Laboratory of Fine Petrochemical Engineering，Changzhou University，Changzhou 213164，Jiangsu，China

Online:2013-04-05 Published:2013-04-05

摘要/Abstract

摘要： 油浆经萃取分离得到以饱和烃为主的理想组分——抽余油。利用该油作为原料进行FCC反应，并与石蜡基重油从原料性质、反应工艺条件、产品分布及性质、再生剂性能等方面进行对比研究。结果表明：抽余油具有良好的FCC性能，其合适的反应条件为剂油比6.0、反应温度520 ℃、重时空速12.0 h?1；在各自最优工艺条件下，抽余油比重油液体收率增加1.69%，生焦率上升0.02%；在相同工艺条件即剂油比5.0、反应温度500 ℃、空速14.4 h?1，抽余油比重油液体收率增加0.19%，生焦率上升2.55%；与重油相比，抽余油FCC汽油辛烷值相当，FCC柴油十六烷值降低3.7，其再生剂失活程度较小。因此，抽余油完全可以替代重油作为FCC的原料，具有很好的工业应用前景。

关键词: 油浆, 抽余油, 重油, 催化裂化

Abstract: Slurry oil was separated into an ideal component——raffinate oil，mainly saturated hydrocarbon by extraction. The comparative research with paraffin-base heavy oil was conducted on raw material properties，technological conditions of reaction，product distribution and properties with the use of raffinate oil as feed for FCC reaction. Experimental results indicated that raffinate oil had a fine FCC performance and its suitable reaction conditions were as follows：Catalyst to oil 6.0，reaction temperature 520 ℃，weight hourly space velocity 12.0 h?1.Compared with heavy oil，liquid yield of raffinate oil increased 1.69 % and coke yield increased by 0.02 %. Under the same conditions of catalyst to oil 5.0，reaction temperature 500 ℃，weight hourly space velocity 14.4 h?1，liquid yield of raffinate oil increased by 0.19 % and coke yield increased by 2.55 %. Octane value of FCC gasoline from raffinate oil was the same as heavy oil while cetane value of diesel was 3.7 lower and its regenerated catalysts has a lower degree of deactivation. Raffinate oil could completely replace heavy oil as FCC feedstock.

Key words: slurry oil, raffinate oil, heavy oil, catalytic cracking

傅亮，杨基和，杜明育. 油浆抽余油FCC反应[J]. 化工进展.

FU Liang，YANG Jihe，DU Mingyu. FCC reaction of raffinate oil from slurry oil[J]. Chemical Industry and Engineering Progree.

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