页岩油中碱性氮化物对催化裂化反应的阻滞作用及其结构表征

石油炼制与化工 ›› 2016, Vol. 47 ›› Issue (1): 11-16.

页岩油中碱性氮化物对催化裂化反应的阻滞作用及其结构表征

李楠,王斌,杨朝合,陈小博

中国石油大学（华东）重质油国家重点实验室

收稿日期:2015-07-02 修回日期:2015-07-23 出版日期:2016-01-12 发布日期:2015-12-31
通讯作者: 陈小博 E-mail:chenxiaobo@upc.edu.cn
基金资助:
国家自然科学基金资助项目;中央高校基本科研基金项目;研究生创新工程资助项目

RETARDATION EFFECT OF BASIC NITROGEN COMPOUNDS IN SHALE OIL ON CATALYTIC CRACKING AND THEIR STRUCTURE CHARACTERIZATION

Received:2015-07-02 Revised:2015-07-23 Online:2016-01-12 Published:2015-12-31

摘要/Abstract

摘要：

通过以不同浓度盐酸对页岩油中的碱性氮化物进行分离及定量添加碱氮模型化合物的方法，辅以高分辨质谱对不同样品中碱性氮化物的结构进行表征，研究了页岩油中碱性氮化物对其裂化反应的阻滞作用。结果表明：页岩油中碱性氮化物主要为带烷基侧链的吡啶、环烷基吡啶，而且盐酸浓度越高，所富集出的碱性氮化物类型越多；碱性氮化物的去除有利于页岩油催化裂化反应的发生，且除含量外，碱性氮化物的结构对页岩油裂化过程也存在较大的影响，相对分子质量越大、缩合程度越高的碱性氮化物越不利于页岩油催化裂化反应的进行。

关键词: 页岩油, 催化裂化, 碱性氮化物, 结构表征

Abstract:

The basic nitrogen compounds in shale oil were separated using HCl solutions with different concentrations, and the structures of separated compounds were characterized by ESI FT-ICR MS technique. The retardation effect of the separated basic nitrogen compounds and model nitrogen compound added into the separated compounds on shale oil catalytic cracking was studied. The results showed that the basic nitrogen compounds were mainly pyridine and naphthenic pyridine with alkyl side chains. The higher the concentration of HCl solution, the more types of basic nitrogen it extracted. Removing the basic nitrogen compounds could improve the catalytic cracking performance of shale oil. Besides the content of basic nitrogen compound, the types of basic nitrogen compounds also influence the catalytic cracking of shale oil. The basic nitrogen compounds with larger molecular weight and higher condensation degree have much more significant retardation effect on shale oil catalytic cracking.

Key words: shale oil, catalytic cracking, basic nitrogen compound, structure characterization

李楠王斌杨朝合陈小博. 页岩油中碱性氮化物对催化裂化反应的阻滞作用及其结构表征[J]. 石油炼制与化工, 2016, 47(1): 11-16.

参考文献

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