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Subsystems in PBR

A Photobioreactor maximizes the growth conditions through its design: the use of clear plastic tubing for efficient and volumetric distribution of light; efficient delivery of light from the source to the algae; air lift pumps to keep the algae in suspension; mechanism for CO2 and O2 exchange; pH and growth sensors.

PBRs are complex systems composed of several subsystems. The key systems are:
1. Light source
2. Optical transmission system
3. Air Handling System
3. Reaction area – the reaction mixing system
4. Gas exchange system
5. Nutrient System
6. Filtration System (to remove algal biomass)
7. Sensing System
8. Electrical Systems
9. Instrumentation Systems

Some of the key sub-components of the above system are:
•    Oxygen & CO2 sensors
•    Temperature sensor
•    pH sensor
•    Light sensor
•    Conductivity sensor
•    Recirculation pump
•    Harvest pump
•    CO2 injection valve
•    pH pump
•    Substrate pump
•    Filtrate recirculation valve
•    Water inlet valve Purge valve
•    Connectors and hoses
•    Algae collection filters
•    Oxygen release system
•    PLC Control panel
•    Feeding tank

See the following sections in photobioreactor: 

Cultivation of Algae in photobioreactor