以N-甲酰基吗啉抽提蒸馏回收苯和甲苯  

RECOVERING BENZENE AND TOLUENE FROM HYDROGENATED PYROLYSISGASOLINE BY N-FORMYL-MORPHOLING EXTRACTIVE DISTILLATION

作　　者：周仕颖 张敏 

机构地区：[1]北京燕山石油化工股份有限公司化工一厂

出　　处：《石化技术》1998年第2期119-121,共3页Petrochemical Industry Technology

摘　　要：本文介绍了以Ｎ—甲酰基吗啉为溶剂的抽提蒸馏，从加氢裂解汽油中回收高纯度芳烃苯和甲苯的工艺技术。? The technology for recovering high purity benzene and toluene from hydrogenated pyrolysis gasoline by extractive distillation, in which N-formyl-morpholine was used as solvent, was introduced in this paper. 

关 键 词：抽提蒸馏 苯 甲苯 甲酰基吗啉 汽油 

分 类 号：TQ241.11[化学工程—有机化工] TE626.21[石油与天然气工程—油气加工工程]