Types of bioreactors

This presentation provides an overview of different types of bioreactors used in various industries. Explore the following bioreactor types:

Stirred Tank Bioreactor: Versatile and widely used for efficient mixing and oxygen transfer in microbial cultures and large-scale production.

Airlift Bioreactor: Ideal for gentle mixing in shear-sensitive and mammalian cell cultures using gas injection.

Fluidized Bed Bioreactor: Offers a large surface area for cell attachment, suitable for immobilized cell cultures or biofilm formation.

Packed Bed Bioreactor: Supports high-density cell growth, commonly employed in wastewater treatment and biofiltration processes.

Membrane Bioreactor: Combines biological treatment with membrane filtration for effective contaminant removal in wastewater treatment applications.

Photobioreactor: Utilizes light to promote photosynthetic growth, commonly used for cultivating photosynthetic organisms.

Discover the unique features and applications of each bioreactor type in this informative presentation.

1. TYPE OF BIOREACTORS

2. WHAT IS BIOREACTOR
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.

3. TYPES OF BIOREACTOR
Stirred tank bioreactor
Air-lift bioreactor
Packed bed bioreactor
Membrane bioreactor
Fluidized bed bioreactor
Photobioreactor
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4. STIRRED TANK BIOREACTOR
Agitation system (impeller or stirrer)
Sparger for oxygenation
Temperature control
pH control
Definition: A common and versatile bioreactor design
featuring an agitator to ensure proper mixing and
oxygen transfer.
Key features:
Applications: Microbial fermentation, cell culture,
enzyme production.

5. AIR-LIFT BIOREACTOR
Gas inlet for sparging
Draft tube for gas-liquid separation and circulation
Reduced shear stress on cells
Definition: A bioreactor that relies on gas sparging to
create circulation and mixing.
Key features:
Applications: Animal cell culture, plant cell culture,
microbial fermentation.

6. PACKED BED BIOREACTOR
Porous support material for cell or enzyme
attachment
Perfusion or continuous flow operation
Enhanced mass transfer and stability
Definition: A bioreactor containing a packed bed of
solid support material for immobilized cells or
enzymes.
Key features:
Applications: Enzyme production, wastewater
treatment, bioconversion processes.

7. MEMBRANE BIOREACTOR
Membrane for filtration and retention of cells or
particles
Improved product separation and concentration
Reduced risk of contamination
Definition: A bioreactor that incorporates a
semipermeable membrane for separation and
retention of biomass or products.
Key features:
Applications: Bioprocessing, biodegradation, water
treatment.

8. FLUIDIZED BED BIOREACTOR
Fluidization of solid particles for enhanced mixing
and mass transfer
High surface area-to-volume ratio
Uniform distribution of nutrients and gases
Definition: A bioreactor where solid particles are
suspended and fluidized by an upward flow of liquid or
gas.
Key features:
Applications: Biocatalysis, enzyme immobilization,
waste treatment.

9. PHOTOBIOREACTOR
Transparent or translucent vessel for light
penetration
Light sources or natural sunlight
Efficient conversion of light energy into biomass
Definition: A bioreactor that utilizes light as an energy
source for photosynthetic organisms
Key features:
Applications: Algae cultivation, photosynthetic
microbial production, biofuel production

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