New Tetra Pak Bioreactor Promises Lower Costs From Pilot to Full-Scale Fermentation

Tetra Pak has launched its first industrial bioreactor, the Tetra Pak® Bioreactor RF, seven months after acquiring Bioreactors.net, the Latvia-based fermentation equipment specialist. The vessel is designed for producers moving fermentation-derived ingredients from pilot testing into full industrial output, and is available in sizes ranging from 10 to 50,000 litres, according to the company.

Tetra Pak states the system can lower operational costs by up to 12% compared with conventional industrial bioreactors, while its pre-assembled, factory-tested construction can cut investment costs by up to 8%. The company attributes the savings to reduced installation complexity, since the integrated platform design removes the need for separate support structures.

A magnetic agitation system to cut contamination risk

The bioreactor’s core feature is a patented magnetic agitation system that eliminates mechanical seals, a common point of contamination and instability in conventional bioreactor designs. Tetra Pak says the system is built to maintain power and oxygen transfer consistently as vessel size increases, unlike standard magnetic agitators, which can lose performance at larger scales. The company links this stability to a reduced risk of batch loss, which it values at approximately €1,000 per cubic metre.

Automation features, including self-adjusting controls and integrated data monitoring, are intended to reduce the need for manual intervention as fermentation processes evolve.

New Tetra Pak Bioreactor Promises Lower Costs From Pilot to Full-Scale Fermentation — © Tetra Pak

Consistency across the product line

All Tetra Pak® Bioreactor RF units share the same design platform, control logic and operating approach regardless of size, which the company says simplifies training and operation for producers running multiple scales or sites. Impellers, alarm thresholds and configurations can be adjusted as processes change.

The launch follows a period of expansion for Tetra Pak’s New Food division. In addition to the Bioreactors.net acquisition, the company opened its New Food Technology Development Centre in Karlshamn, Sweden, in 2025, and has previously partnered with companies including Mycorena on fungi fermentation facilities.

Rafael Barros, Director of the New Food Business Stream at Tetra Pak, stated, “Industrial fermentation succeeds when performance is repeatable, day after day. Tetra Pak® Bioreactor RF is designed to reduce operational risk and remove complexity, helping operators stay in control.”

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A magnetic agitation system to cut contamination risk

Consistency across the product line

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