面向石油化工难分离体系的分离技术研究进展

陈毓秋; 潘婉莹; 闫佳淇; 周嘉萍; 雷杨; 张香平

doi:10.11949/0438-1157.20250981

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面向石油化工难分离体系的分离技术研究进展

全国重点实验室专栏 | 更新时间：2026-04-22

- 面向石油化工难分离体系的分离技术研究进展
- Advances in separation technologies for difficult-to-separate systems in petrochemical industry
- 化工学报 2026年77卷第1期页码：16-33
- 作者机构：
  
  1.中国石油大学（北京）重质油全国重点实验室，北京 102249
  2.武汉科技大学化学与化工学院/煤转化与新型炭材料湖北省重点实验室，湖北武汉 430081
  3.中国科学院过程工程研究所，离子液体清洁过程北京市重点实验室，北京 100190
- 作者简介：
  
  陈毓秋（1989—），男，博士，特聘教授，yuqch@cup.edu.cn
  雷杨（1988—），男，博士，副教授，leiyang@wust.edu.cn
  张香平（1969—），女，博士，教授，xpzhang@ipe.ac.cn
- 基金信息：
  
  中国石油大学（北京）校优秀青年项目(2462025QNXZ005);国家自然科学基金项目(22578340;22578483)
- DOI：10.11949/0438-1157.20250981
  中图分类号： TQ 54
- 收稿：2025-09-02，
  
  修回：2025-10-06，
  
  纸质出版：2026-01-25
- 稿件说明：
移动端阅览
陈毓秋, 潘婉莹, 闫佳淇, 周嘉萍, 雷杨, 张香平. 面向石油化工难分离体系的分离技术研究进展[J]. 化工学报, 2026, 77(1): 16-33

CHEN Yuqiu, PAN Wanying, YAN Jiaqi, ZHOU Jiaping, LEI Yang, ZHANG Xiangping. Advances in separation technologies for difficult-to-separate systems in petrochemical industry[J]. CIESC Journal, 2026, 77(1): 16-33
陈毓秋, 潘婉莹, 闫佳淇, 周嘉萍, 雷杨, 张香平. 面向石油化工难分离体系的分离技术研究进展[J]. 化工学报, 2026, 77(1): 16-33 DOI： 10.11949/0438-1157.20250981.

CHEN Yuqiu, PAN Wanying, YAN Jiaqi, ZHOU Jiaping, LEI Yang, ZHANG Xiangping. Advances in separation technologies for difficult-to-separate systems in petrochemical industry[J]. CIESC Journal, 2026, 77(1): 16-33 DOI： 10.11949/0438-1157.20250981.

摘要

在石油化工中，分离过程是关键过程环节，且能耗占比大，其技术复杂度与效率直接决定了产品质量、能耗水平及环保性能。诸多难分离体系如芳烃与非芳烃、烯烃与烷烃等，因组分性质相近、易形成共沸物、近沸物等特性，给传统分离技术带来严峻挑战。首先系统梳理和分析了石油化工难分离体系类型及特征，并详细介绍了精馏、萃取、结晶等传统分离技术方法的应用及其局限性，探讨了离子液体萃取精馏、膜分离及吸附等新型分离技术带来的分离流程创新和过程瓶颈。并提出了面向过程低碳化、绿色化要求的分离技术未来发展方向，以实现石油化工难分离体系的高效、节能、环保分离，推动石油化工行业低碳绿色可持续发展。

Abstract

In the petrochemical industry

separation is a crucial process stage that accounts for a large share of energy consumption. The complexity and efficiency of separation technologies directly determine product quality

energy use

and environmental performance. Many difficult-to-separate systems

such as aromatics and non-aromatics

olefins and alkanes

pose serious challenges to traditional separation technologies due to their similar component properties and the tendency to form azeotropes and near-boiling substances. This paper first systematically reviews and analyzes the types and characteristics of difficult-to-separate petrochemical systems and then discusses the applications and limitations of conventional separation technologies such as distillation

extraction

and crystallization. It further examines the process innovations and bottlenecks associated with emerging techniques

including ionic liquid-based extractive distillation

membrane separation

and adsorption. Finally

future development directions are proposed to meet the requirements of low-carbon and green processes

aiming to achieve efficient

energy-saving

and environmentally friendly separation of difficult-to-separate petrochemical systems and promote the low-carbon

green

and sustainable development of the petrochemical industry.

关键词

Keywords

references

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