Proteins
Protein-rich microalgae are widely regarded as one of the most promising approaches to sustainable food and feed sources — and for good reason. Algae such as spirulina and chlorella contain up to 70% protein and provide all essential amino acids.
To develop these proteins in a targeted way, microalgae are cultivated in small photobioreactors or laboratory fermenters. Here, growth conditions such as light, temperature, pH, and especially gas supply are critical.
In algae cultivation — for example, when producing protein-rich biomass — gas supply plays a central role, particularly CO₂ and air (oxygen):
Mass flow meters and controllers are essential tools for precise gas flow measurement and control, as conventional mechanical flow meters are often too imprecise or sensitive to pressure and temperature changes.
Especially in highly sensitive bioprocesses — such as developing novel proteins from algae biomass or optimizing fermentation — the precision of gas flow directly determines yield and quality.
Precise CO₂ and O₂ control for maximum growth.
In a biotech project focused on microalgae cultivation, researchers used Vögtlin red-y smart thermal mass flow meters and controllers to precisely monitor and regulate CO₂ flows in the bioreactor.
The result: reproducibly accurate measurements and improved process control compared to conventional flow indicators.
This applies to all biotechnological applications where:
Vögtlin instruments such as the red-y smart series, the red-y compact, and the d·flux multi-parameter mass flow meter and controller deliver exactly what demanding algae cultivation requires: precise flow control, fast response, and seamless digital integration.
This allows researchers in the lab to fine-tune CO₂ and O₂ supply, create reproducible conditions, and monitor the process with confidence.
High-precision Mass Flow Meter (MFM) and Mass Flow Controller (MFC) for Gases
Portable Battery Powered Digital Mass Flow Meter with optional Needle Valve
Multi-Parameter Mass Flow Meter & Mass Flow Controller for Gases
Capillary Mass Flow Meter (MFM) and Mass Flow Controller (MFC) for Gases
Thermal Mass Flow Meter and Mass Flow Controller with IP67 & Ex Protection
Pressure Controller for Gases with Integrated Flow Measurement
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