Method for extracting cyclohexanol from cyclohexanone waste liquid by using composite extractant

• Main Authors: LIU ZHENGWEI, YANG ZHAOHUI, LIU MEI, GUO XUEYANG, YANG RONGHUA
• Format: Patent
• Language: English
• Published: 09.12.2015
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

The invention discloses a method for extracting cyclohexanol from cyclohexanone waste liquid by using a composite extractant. The method comprises steps of atmospheric simple distillation and vacuum extractive distillation; wherein in vacuum extractive distillation, the extractant is a two-component...