Quiz #1- Introduction to Separation Process and Phase Equilibria

What is the primary goal of separation processes in chemical engineering?

To separate mixtures into pure components

Which of the following is an example of a physical separation process?

Distillation

What is the principle behind equilibrium-based separation processes?

Differences in phase equilibrium

Which of the following separation processes is primarily based on mass transfer?

Distillation

What is a key difference between rate-based and equilibrium-based separation processes?

Rate-based processes depend on kinetic rates

Which factor is crucial in selecting an appropriate separation process?

Nature of the mixture

Thermodynamics in separation process design primarily helps in understanding:

Phase equilibria

Phase equilibria is relevant to separation processes because it:

Provides information on component distribution between phases

The separation factor is a measure of:

Degree of separation achieved

Which separation process uses a porous medium to separate components?

Filtration

Distillation separates components based on differences in:

Boiling points

In adsorption, the separation is achieved by:

Adhering molecules to a solid surface

Which of the following best describes absorption?

A liquid dissolves gas or vapor molecules within it

Liquid-liquid extraction involves:

Distribution of a compound between two immiscible liquids

Which property is most important for the solvent in liquid-liquid extraction?

Immiscibility with the feed solution

Crystallization is primarily used to:

Purify solid substances

Centrifugation separates components based on differences in:

Density

Which of the following processes involves a semi-permeable membrane?

Reverse osmosis

The process of sublimation is best described as:

A solid turning directly into a gas

Which separation process is typically used for large-scale water desalination?

Reverse osmosis

Which process is most suitable for separating a mixture of ethanol and water?

Distillation

The driving force for mass transfer in a separation process is:

Concentration difference

Membrane filtration is effective in separating:

Solid-liquid mixtures

Which separation technique is best suited for purifying proteins?

Chromatography

A common application of chromatography is:

Purifying biochemical compounds