Bioreactor Design and Operation Quiz

What is a primary consideration in bioreactor design?

• Location of the facility

• Cost of raw materials

• Production of an organism

• Type of waste management

Which of the following is NOT a part of a bioreactor?

• Agitator system

• Oxygen delivery system

• Cooling system

• Foam control system

What is the typical size range for a lab-scale fermenter?

• 0.3 - 10 m³

• 100 – 1000 mL

• 1 - 50 L

• 2 - 500 m³

Which type of bioreactor is characterized by a central shaft and impellers?

• Fluidized bed bioreactor

• Bubble column bioreactor

• Stirred tank bioreactor

• Packed bed bioreactor

What is a limitation of the bubble column bioreactor?

• Difficult to sterilize

• High shear stress

• Low photosynthetic efficiency

• High power consumption

Which bioreactor type is known for its simplicity and low energy requirements?

• Stirred tank bioreactor

• Airlift bioreactor

• Packed bed bioreactor

• Membrane bioreactor

What is a common application of photobioreactors?

• Wastewater treatment

• Production of enzymes

• Photosynthetic culture of microalgae

• Fermentation of solid substrates

What is a disadvantage of packed bed bioreactors?

• Easy catalyst replacement

• High conversion rate

• Undesired heat gradients

• Low construction costs

Which bioreactor type uses membranes for filtration?

• Airlift bioreactor

• Membrane bioreactor

• Fluidized bed bioreactor

• Stirred tank bioreactor

What is a key feature of fluidized bed bioreactors?

• High shear stress

• Immobilized small particles

• Batch operation only

• Complex design