炼厂干气中碳二组分回收技术概述  

Overview of C2 Recovery Technology in Refinery Dry Gas

作　　者：侯效余 张敬升[1] 李东风[1] Hou Xiaoyu;Zhang Jingsheng;Li Dongfeng(Sinopec Beijing Research Institute of Chemical Industry,Beijing 100013,China)

机构地区：[1]中国石化北京化工研究院,北京100013

出　　处：《石油石化绿色低碳》2021年第1期11-18,60,共9页Green Petroleum & Petrochemicals

摘　　要：随着炼化技术的进步,对炼厂干气中碳二等组分的回收利用也越来越受到重视。干气回收是一种增加资源利用率、减少环境污染、提升企业效益的重要手段。文章主要从深冷分离工艺、浅冷油吸收工艺、变压吸附工艺(PSA)以及膜分离工艺和水合物分离工艺等炼厂干气回收技术的原理出发介绍了各种干气回收技术的特点以及进展。各工艺具有不同的特点,适用的场合也不尽相同,各炼化企业应从干气特点、产品要求等具体情况出发,着重对自身特点进行评估以选择适合的回收工艺。With the advancement of refining and chemical technology,more and more attention has been paid to the recovery of C2 components in refinery dry gas,and refinery dry gas recovery is also an important way to increase resource utilization,reduce environmental pollution,and enhance the benefit of enterprises.The characteristics and progresses of various dry gas recovery technologies such as cryogenic separation process,shallow-cool oilabsorption process,pressure swing adsorption process(PSA),membrane separation process and hydrate separation process are discussed based on the principles of dry gas recovery technology.These technologies have different characteristics,and the applicable occasions are also different.The refineries should evaluate their own operation characteristics to select suitable dry gas recovery process according to dry gas composition,product requirements and other specific conditions.

关 键 词：炼厂干气 碳二组分 回收技术 

分 类 号：TE64[石油与天然气工程—油气加工工程]