TYPE OF BIOREACTORS
WHATISBIOREACTOR
A bioreactor is a device or system that provides a controlled environment for the cultivation of living cells, microorganisms, or biological processes. It facilitates the growth, metabolism, and production of desired products by maintaining optimal conditions such as temperature, pH, nutrient supply, and oxygen levels.
TYPESOFBIOREACTOR
Stirred tank bioreactor
Air-lift bioreactor
3.
Packed bed bioreactor
4.
Membrane bioreactor
Fluidized bed bioreactor
Photobioreactor
1. 2.
5. 6.
STIRRED TANK BIOREACTOR
Definition: A common and versatile bioreactor design featuring an agitator to ensure proper mixing and oxygen transfer.
Key features:
Agitation system (impeller or stirrer)
Sparger for oxygenation
Temperature control pH control
Applications: Microbial fermentation, cell culture, enzyme production.
AIR-LIFT BIOREACTOR
Definition: A bioreactor that relies on gas sparging to create circulation and mixing.
Key features:
Gas inlet for sparging
Draft tube for gas-liquid separation and circulation
Reduced shear stress on cells
Applications: Animal cell culture, plant cell culture, microbial fermentation.
PACKED BED BIOREACTOR
Definition: A bioreactor containing a packed bed of solid support material for immobilized cells or enzymes.
Key features:
Porous support material for cell or enzyme
attachment
Perfusion or continuous flow operation
Enhanced mass transfer and stability
Applications: Enzyme production, wastewater treatment, bioconversion processes.
MEMBRANE BIOREACTOR
Definition: A bioreactor that incorporates a semipermeable membrane for separation and retention of biomass or products.
Key features:
Membrane for filtration and retention of cells or particles
Improved product separation and concentration
Reduced risk of contamination
Applications: Bioprocessing, biodegradation, water treatment.
FLUIDIZED BED BIOREACTOR
Definition: A bioreactor where solid particles are suspended and fluidized by an upward flow of liquid or gas.
Key features:
Fluidization of solid particles for enhanced mixing and mass transfer
High surface area-to-volume ratio
Uniform distribution of nutrients and gases
Applications: Biocatalysis, enzyme immobilization, waste treatment.
PHOTOBIOREACTOR
Definition: A bioreactor that utilizes light as an energy source for photosynthetic organisms
Key features:
Transparent or translucent vessel for light penetration
Light sources or natural sunlight
Efficient conversion of light energy into biomass
Applications: Algae cultivation, photosynthetic microbial production, biofuel production
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