Distillation

Feed equimolar butane-hexane to distillation column, which component comes out as distillate?

• Hexane

• Butane

• Azeotrope

Which one comes out as bottom?

• 1

• 2

Separate hexane-butane, which one is light key?

• Hexane

• Butane

Total condenser, distillate is:

• Saturated Liquid

• Saturated Vapor

• Subcooled Liquid

• Superheated Vapor

Partial condenser, bottom is:

• Saturated Liquid

• Saturated Vapor

• Subcooled Liquid

• Superheated Vapor

Partial condenser, distillate can be:

• Saturated Liquid

• Saturated Vapor

• Subcooled Liquid

• Superheated Vapor

Partial condenser with one outlet, the outlet is:

• Saturated Liquid

• Saturated Vapor

• Subcooled Liquid

• Superheated Vapor

Separate hexane-butane, condenser type should be?

• Total condenser

• Partial condenser, 1 outlets

• Partial condenser, 2 outlets

In design, if reflux ratio change, which one doesn't change?

• Number of stage

• Condenser duty

• Feed stage

• Outlet purity

Azeotrope type?

• Positive

• Negative

• Zero