催化裂化柴油综合利用技术及其发展

doi:10.16085/j.issn.1000-6613.2016.s1.015

摘要/Abstract

摘要： 催化裂化柴油(LCO)具有芳烃含量高、十六烷值低的特点,已成为炼厂的主要低价值油品。如何高效利用LCO中富含的芳烃,国内外相继推出了LCO的综合利用技术。本文主要从技术特点、反应机理、工艺流程、催化剂和应用数据等方面简要介绍了4类LCO综合利用技术,包括LCO加氢改质技术、LCO加氢裂化技术、LCO加氢-FCC组合技术、LCO加氢-芳烃抽提组合技术。分析表明LCO综合利用技术不仅可生产清洁柴油,还可生产高辛烷值汽油或BTX轻组分,炼厂可根据自身的实际情况与市场需求,选择合适的技术路线,在追求产品质量升级的同时,实现经济效益最大化,同时适应了现代炼油企业油、化结合的发展趋势。

关键词: 催化裂化柴油, 加氢, 清洁柴油, 高辛烷值汽油, 苯、甲苯、二甲苯

Abstract: Light cycle oil (LCO) of FCC unit which has the characteristics of high aromatic content, low cetane number has become a low-value product in refineries.In order to efficiently use the rich aromatics of LCO, the comprehensive utilization technologies of LCO have been developed at home and abroad.The comprehensive utilization technologies of LCO are described in respect of technical characteristics, reaction mechanism, process flow, catalyst and application data, including LCO hydroupgrading technology, LCO hydro-cracking technology, LCO hydrogenation-FCC combination technology, LCO hydrogenation-aromatic extraction combination technology.The comprehensive utilization technologies of LCO can not only produce clean diesel, but also highoctane number gasoline or BTX light component.Refineries can select the appropriate routes according to their specifics and the market demand to maximize the economic benefits of the techniques while improving the quality of products, which adapts to the trend of integrating refining and petrochemical process for modern refineries.

Key words: light cycle oil, hydrogenation, clean diesel, high-octane gasoline, benzene, toluene, xylene(BTX)

中图分类号:

TE624

葛泮珠. 催化裂化柴油综合利用技术及其发展[J]. 化工进展, 2016, 35(S1): 79-86.

GE Panzhu. Comprehensive utilization technologies of LCO and developments[J]. Chemical Industry and Engineering Progree, 2016, 35(S1): 79-86.

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