PHT462 (Extraction)

The solvent used in the extraction process should be selective to the active ingredient

• True

• False

The extraction rate depends on the diffusion rate of the solute through the liquid boundary layer.

• True

• False

What is the name of the equipment on the given diagram?

• Batch percolator

• Bollman Extractor

• Spray Towers

What is the purpose of using a batch percolator in extraction?

• To increase the extraction rate

• To decrease the diffusion rate

• To improve selectivity of the solvent

Which factor does not affect the extraction process?

• Temperature

• Particle size of the solute

• Color of the solvent

What is the main advantage of using a Bollman Extractor?

• High extraction efficiency

• Low initial cost

• Easy maintenance

What is the role of the solvent in the extraction process?

• To increase the diffusion rate

• To decrease the extraction rate

• To improve selectivity for the active ingredient