
Air Lift Bioreactor / Airlift Fermenter for Efficient Fermentation
Bailun air lift bioreactor is engineered for efficient gas-liquid mass transfer without mechanical agitation. This advanced airlift fermenter (also known as airlift fermentor) is ideal for shear-sensitive processes and energy-saving fermentation systems.
Compared with traditional stirred systems, our air lift bioreactor provides stable mixing, lower energy consumption, and reduced contamination risks. It is widely used in biotechnology, pharmaceuticals, environmental engineering, and industrial fermentation applications.
Key Advantages of Bailun Air Lift Bioreactor
Low Shear Environment
Perfect for sensitive cultures such as mammalian cells, algae, and filamentous fungi.Energy-Saving Operation
No mechanical agitator required, reducing power consumption significantly.Efficient Oxygen Transfer
Optimized airflow and reactor design ensure excellent gas-liquid mass transfer.Low Contamination Risk
Fewer moving parts reduce sealing points and contamination possibilities.Simple Structure & Easy Maintenance
Compared to traditional fermentors, airlift fermenters require less maintenance.
Applications of Airlift Fermenter Systems
Bailun air lift bioreactors are widely used in:
Algae cultivation and biofuel production
Mammalian and insect cell culture
Microbial fermentation processes
Wastewater treatment and environmental bioreactors
Enzyme and metabolite production
Biopharmaceutical fermentation
How an Air Lift Bioreactor Works
An air lift bioreactor operates by injecting compressed air into the bottom of the vessel, creating a density difference between the riser and downcomer zones. This induces natural circulation of the liquid medium.
This circulation improves mixing, oxygen transfer, and nutrient distribution without mechanical agitation, making the airlift fermentor highly suitable for delicate biological processes.
Technical Specifications of Air Lift Bioreactor
Working volume: 5L – 50,000L
Vessel material: Borosilicate glass / Stainless steel (SS316L)
Reactor type: Internal loop / External loop
Aeration system: Adjustable sparger
Control system: PLC / Siemens / SCADA
Measured parameters: pH, DO, temperature, airflow, foam
Sterilization: SIP / Autoclavable options
Surface finish: GMP compliant (optional)
Airlift Fermenter Configurations & Customization
We offer flexible airlift fermenter solutions tailored to your process:
Design Options
Internal loop air lift bioreactor
External loop airlift fermenterScale Options
Laboratory fermentor
Pilot scale fermenter
Industrial air lift bioreactorMaterial Options
Glass fermentor systems
Stainless steel fermentorsAutomation
Manual / Semi-automatic / Fully automated systemsCustom Engineering
Designed according to your process, product, and production scale
Air Lift Bioreactor vs Stirred Tank Fermentor
Feature | Air Lift Bioreactor | Stirred Tank Fermentor |
|---|---|---|
Mixing method | Air circulation | Mechanical agitation |
Shear stress | Low | Medium to high |
Energy consumption | Low | High |
Maintenance | Low | Higher |
Contamination risk | Lower | Higher |
Application | Sensitive cultures | General fermentation |
Common Challenges & Bailun Solutions
Challenge: Oxygen transfer limitation
Solution: Advanced sparger and airflow control design
Challenge: Foam formation in fermentation
Solution: Automatic foam control system
Challenge: Scale-up difficulties
Solution: Proven geometric scaling and engineering support
Challenge: Process stability
Solution: Precision control system with real-time monitoring
Why Choose Bailun Airlift Fermenter
10+ years experience in bioreactor and fermentor manufacturing
Customized air lift bioreactor solutions
Exported to global biotech and industrial markets
Reliable quality and stable performance
Full lifecycle support: design, installation, training
Fast response and engineering support
Project Cases of Air Lift Bioreactors
USA biotech company – algae cultivation airlift fermenter
European research institute – cell culture bioreactor system
Asia industrial facility – wastewater treatment air lift bioreactor
Optional Systems for Complete Fermentation Solution
Bailun provides complete system integration for your fermentor:
Chiller system for temperature control
Air compressor and sterile filtration system
Steam generator for sterilization (SIP)
Feeding and dosing system
Exhaust gas analysis system
Centralized PLC/SCADA control system
FAQ About Air Lift Bioreactor / Airlift Fermenter
What is the difference between air lift bioreactor and stirred tank fermentor?
Air lift bioreactors use air circulation instead of mechanical stirring, resulting in lower shear and energy consumption.
Can the airlift fermenter be customized?
Yes, Bailun provides fully customized fermentor solutions based on your process needs.
What industries use air lift bioreactors?
Biotech, pharmaceutical, environmental, and food industries widely use airlift fermenters.
What is the delivery time?
Typically 4–12 weeks depending on configuration.
Do you provide installation and training?
Yes, we provide both remote and on-site support.
Get a Quote for Air Lift Bioreactor
Tell us your fermentation process, working volume, and technical requirements.
Our team will provide a customized airlift fermenter solution within 24 hours.


