Separation of n-propanol from allyl alcohol by extractive distillation

Patent · Tue Jul 22 00:00:00 EDT 1986

OSTI ID:5470415

Berg, L; Vosburgh, M G

This patent describes a method for recovering n-propanol from a mixture of n-propanol and allyl alcohol which comprises distilling a mixture of n-propanol and allyl alcohol in a rectification column in the presence of about one part of extractive agent per part of n-propanol-allyl alocohol mixture, recovering n-propanol as overhead product, obtaining the allyl alcohol and the extractive agent from the stillpot, separating the allyl alchohol from the extractive agent by distillation in another rectification column, wherein the extractive agent comprises at least one member of the group consisting of acetamide, N,N-dimethylacetamide, adiponitrile, dimethylformamide, dimethylsulfoxide and sulfolane.

• Assignee: NOV; NOV-85-018282; EDB-86-151401
• Patent Number(s): US 4601791
• OSTI ID: 5470415
• Resource Relation: Patent File Date: Filed date 15 Jul 1985
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
PROPANOLS
DISTILLATION
ACETAMIDE
ALLYL RADICALS
DISTILLATION EQUIPMENT
FORMAMIDE
MIXTURES
NITRILES
QUANTITY RATIO
SOLVENTS
SULFUR OXIDES
ALCOHOLS
ALKYL RADICALS
AMIDES
CHALCOGENIDES
DISPERSIONS
EQUIPMENT
HYDROXY COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
RADICALS
SEPARATION PROCESSES
SULFUR COMPOUNDS
400301* - Organic Chemistry- Chemical & Physicochemical Properties- (-1987)