Introduction

Tetra Pak Processing Equipment SIA has acquired Bioreactors.net, a Latvia-based company with almost 30 years of experience in designing and manufacturing industrial bioreactor systems for food, feed, and biotechnology applications.
This strategic move expands Tetra Pak’s capabilities in the fast-growing New Food segment, particularly in precision fermentation (production of specific molecules such as proteins or enzymes using engineered microorganisms) and biomass fermentation (production of microbial biomass such as mycoprotein as the main product) for alternative proteins and next-generation food ingredients. It also strengthens the company’s position as a trusted technology partner for food and beverage manufacturers exploring sustainable, fermentation-based production and industrial fermentation equipment at scale.
Major industry analyses, including the FAO’s reports on alternative proteins and the Good Food Institute’s annual State of the Industry publications, highlight fermentation as a key enabler for resilient, low-emissions food systems.[FAO] [GFI] Tetra Pak’s acquisition of Bioreactors.net is aligned with these long-term trends.
TL;DR: Tetra Pak’s acquisition of Bioreactors.net significantly strengthens its position in precision and biomass fermentation for New Food, offering industrial customers more integrated, scalable fermentation processing solutions.
Who Is Bioreactors.net?
Founded in 1996 and headquartered in Latvia, Bioreactors.net specialises in biomass and precision fermentation solutions within the New Food and industrial biotechnology categories.
The company designs and manufactures stainless-steel and single-use bioreactors capable of producing a wide range of proteins and bio-based ingredients, including:
– Alternative and recombinant proteins (e.g., caseins, whey proteins, egg proteins, enzymes)
– Functional food ingredients (e.g., flavour compounds, vitamins, organic acids)
– Fermentation-derived components for food and beverages (e.g., texturising agents, colourants, bioactive peptides)
Bioreactors.net has extensive experience supporting projects across the full innovation and scale-up journey:
– Laboratory-scale bioreactors for research and development (R&D), typically in the 1–10 L working volume range
– Bench and pilot-scale systems for process optimisation, commonly 30–500 L working volumes
– Full-scale commercial production systems for industrial manufacturing, often 5,000–50,000 L and beyond, depending on product and process design
The company’s portfolio includes:
– Stirred-tank bioreactors (STRs) with mechanical agitation and high kLa oxygen transfer performance, suitable for bacteria, yeasts, and filamentous fungi
– Airlift and bubble column reactors for shear-sensitive organisms and high-foaming processes
– Fed-batch, batch, and perfusion-capable systems with advanced feed control and gas-mix strategies
– Customised skid-mounted fermentation units that can be integrated into existing or greenfield plants
By serving both start-ups and established producers, Bioreactors.net has built strong practical know-how in scaling fermentation processes from concept to market-ready production, including addressing common challenges such as oxygen transfer limitations, foam management, and clean-in-place/steam-in-place (CIP/SIP) validation.
TL;DR: Bioreactors.net is a specialist in lab-to-plant bioreactor systems—from 1 L R&D reactors to 50,000 L+ industrial units—covering stirred-tank, airlift, and customised fermentation solutions for a wide range of food and biotech applications.
Bioreactor Technology Capabilities and Industrial Applications

Bioreactors.net’s technologies cover a broad slate of industrial fermentation equipment requirements for New Food and biotechnology producers:
– Working volumes and scale-up ranges
– Lab-scale: typically 1–10 L for strain screening, media optimisation, and DoE (Design of Experiments) work
– Pilot-scale: 30–500 L for process characterisation, scale-down models, and regulatory-relevant data generation
– Demonstration / small commercial scale: 1,000–5,000 L for initial market entry and validation production
– Large commercial scale: 10,000–50,000+ L for full-scale manufacturing of alternative proteins or functional ingredients
– Automation and control features
– PLC (Programmable Logic Controller)-based and DCS (Distributed Control System)-integrated systems with SCADA (Supervisory Control and Data Acquisition) for real-time monitoring
– Closed-loop control for pH, dissolved oxygen (DO), temperature, agitation speed, and feed rates
– Advanced gas-mix control (air, oxygen, nitrogen, CO2) with mass flow controllers to improve oxygen transfer efficiency and control off-gas composition
– Recipe management, batch records, and electronic audit trails to support current Good Manufacturing Practice (cGMP) and 21 CFR Part 11-compliant production where required[FDA 21 CFR Part 11]
– CIP/SIP and hygienic design
– Automatic CIP systems with validated cycles for different soils (e.g., protein, carbohydrate, lipid)
– SIP using clean steam with documented Fo (lethality) values to ensure sterilisation of vessel, piping, and ancillary equipment
– Designs based on hygienic guidelines such as those from the European Hygienic Engineering & Design Group (EHEDG), helping customers align with food safety expectations[EHEDG]
– Integration with aseptic valves, sterile filters, and closed transfer systems to minimise contamination risk
– Typical applications
– Precision fermentation for dairy proteins, enzymes, and high-value functional ingredients
– Biomass fermentation for mycoprotein, yeast-based proteins, and fungal biomass for meat analogues
– Production of nutritional supplements (e.g., vitamins, omega-3 via algae), food cultures, and starter cultures
– Specialty carbohydrates, organic acids, and other components used in food, beverages, and nutraceuticals
In many cases, commercial precision fermentation processes operate with batch or fed-batch cycle times of 24–120 hours, depending on organism and target molecule. Well-designed agitation and aeration strategies in Bioreactors.net systems can improve volumetric productivity (g/L/h), potentially allowing producers to achieve equivalent annual output with fewer vessels—reducing both capital expenditure (CAPEX) and operating expenditure (OPEX).
TL;DR: Bioreactors.net provides a full spectrum of hygienic, automated bioreactors—from 1 L R&D to 50,000 L+ industrial tanks—with advanced control, CIP/SIP, and regulatory-ready features tailored for precision and biomass fermentation applications.
Why Tetra Pak Acquired Bioreactors.net
Tetra Pak’s acquisition of Bioreactors.net is part of a broader strategy to expand its New Food processing portfolio and support the global shift toward sustainable food systems.
The deal is designed to:
– Strengthen Tetra Pak’s processing expertise in fermentation-based food production and precision fermentation processing solutions
– Expand its offering in bioreactor design, automation, and complete turnkey fermentation lines
– Integrate upstream, fermentation, and downstream processes into complete, end-to-end production lines for alternative proteins and functional ingredients
– Help customers commercialise precision and biomass fermentation-derived foods more efficiently and with better risk management
By combining Bioreactors.net’s specialised know-how in bioreactor design and scale-up with Tetra Pak’s proven capabilities in thermal treatment, mixing, separation, and aseptic filling, the acquisition accelerates the development of scalable fermentation platforms under the Tetra Pak brand.
TL;DR: Tetra Pak acquired Bioreactors.net to add deep fermentation technology and bioreactor design expertise to its existing processing portfolio, enabling integrated, turnkey fermentation lines for New Food manufacturers.
Enhanced Processing Portfolio for Fermentation-Derived Foods

Before the acquisition, Tetra Pak was already known globally for its food processing and packaging technologies, with a strong track record in UHT (Ultra-High Temperature) treatment, mixing, homogenisation, and aseptic packaging. Adding Bioreactors.net’s bioreactor expertise now complements Tetra Pak’s portfolio across the entire process chain and strengthens its position as a provider of industrial fermentation equipment.
According to Rafael Barros, Director of the New Food Business Stream at Tetra Pak, integrating Bioreactors.net will:
– Complement existing upstream and downstream processing with robust fermentation capabilities
– Enable Tetra Pak to deploy a full portfolio of bioreactor solutions and associated utilities (CIP, SIP, clean steam, WFI/PW where required) under a single, trusted brand
– Support the development of advanced food production systems for precision and biomass fermentation, including downstream separation, purification, and formulation
This integration means New Food producers can work with one partner for:
– Ingredient preparation and upstream processing – media preparation, slurry handling, mixing, thermal treatment, and sterile filtration
– Fermentation – customised bioreactor systems with appropriate working volumes, agitation, and aeration for specific microorganisms
– Downstream processing – cell separation, filtration, concentration, and product fractionation using Tetra Pak’s separation and membrane technologies
– Formulation, UHT, and packaging – blending, heat treatment, standardisation, and filling into ambient or chilled packages
For businesses developing fermentation-derived ingredients such as dairy alternatives, alternative proteins, or functional food components, this end-to-end approach can help reduce interface risks between equipment vendors, shorten commissioning times, and improve process reproducibility from R&D through to commercial operation.
TL;DR: With Bioreactors.net, Tetra Pak can now deliver fully integrated lines from media preparation through fermentation, downstream processing, and packaging, reducing integration risk and time-to-market for fermentation-derived foods.
Concrete Use Cases: How Integrated Fermentation Lines Add Value
To illustrate the impact of combining Tetra Pak and Bioreactors.net technologies, consider a few typical use cases (anonymised and/or hypothetical but representative of industry practice):
– Case 1: Precision fermentation of dairy proteins
A New Food start-up scaling animal-free dairy proteins from a 10 L lab bioreactor to a 10,000 L commercial line faces oxygen transfer and foaming challenges. By adopting Bioreactors.net’s high-torque stirred-tank reactors with optimised impeller configurations and Tetra Pak’s inline gas-mix and foam control strategies, the company improves oxygen transfer rates (kLa) by ~20–30%. This enables higher cell densities and increases final product concentration by 10–15%, reducing cost per kilogram of protein. Automated CIP/SIP and aseptic downstream filtration further lower contamination risk and batch failures.
– Case 2: Biomass fermentation for mycoprotein
A protein producer aims to launch a mycoprotein line with 50,000 L fermenters and a target batch time of 48–72 hours. Tetra Pak engineers design an integrated solution: media preparation, aerated fermenters with high gas-distribution efficiency, and downstream dewatering plus texturisation. By optimising slurry concentration and heat recovery, the plant cuts water usage per kg of biomass by up to 15% and thermal energy consumption by 10–20% compared with a previous pilot setup—directly lowering OPEX and environmental footprint.
– Case 3: Specialty ingredient production with regulatory requirements
A mid-sized ingredient company needs a cGMP-aligned precision fermentation line for a high-value food enzyme. Bioreactors.net supplies 2,000 L and 10,000 L fermenters with full batch records, electronic signatures, and validated SIP cycles, while Tetra Pak integrates downstream concentration and sterile formulation. The joint setup supports documentation needed for regulatory submissions and customer audits (e.g., HACCP, FSMA compliance), reducing time spent on validation and qualification activities.
Across these scenarios, a common theme is reduced technology risk during bioreactor scale-up for alternative proteins and improved throughput and resource efficiency once the plant is operational.
TL;DR: Integrated Tetra Pak + Bioreactors.net lines can boost yields, reduce OPEX via energy and water savings, and de-risk scale-up by improving oxygen transfer, contamination control, and downstream integration.
Supporting Innovators and Established Producers

The acquisition is particularly relevant for companies working in:
– Precision fermentation (e.g., animal-free dairy proteins, enzymes, specialty flavour and aroma compounds)
– Biomass fermentation (e.g., mycoprotein, yeast protein, fungal biomass for hybrid or whole-cut analogues)
– Other New Food applications using microbes, cells, or fungi for sustainable food production
Rafael Barros highlighted that the combined capabilities will help both emerging innovators and large-scale manufacturers:
– Design fit-for-purpose bioreactor systems based on microorganism, rheology, oxygen demand, and shear sensitivity
– Scale processes from lab and pilot plants to industrial production with structured scale-up methodologies (constant tip speed, power input per volume, or oxygen transfer capacity)
– Improve efficiency, yield, and consistency in fermentation processes using advanced automation and inline sensors for pH, DO, off-gas analysis, and turbidity
– Build more sustainable production models with lower environmental impact through heat recovery, CIP optimisation, and water reuse strategies
Start-ups often begin with 3–5 L reactors and seek a predictable path to 300–3,000 L pilots; established producers may require 10,000–100,000 L capacity with strict uptime and OEE (Overall Equipment Effectiveness) targets. The combined portfolio is designed to accommodate both ends of this spectrum.
TL;DR: Whether you are a start-up moving from 3 L to 300 L or an established producer installing 50,000 L fermenters, Tetra Pak and Bioreactors.net provide scalable, tailored fermentation platforms designed for reproducible performance and sustainability.
How the Integrated Offering Differs from Typical Multi‑Vendor Setups
Many fermentation plants are built using multiple OEMs (Original Equipment Manufacturers) for bioreactors, utilities, downstream equipment, and packaging, which can lead to:
– Fragmented automation platforms and incomplete data integration
– Unclear responsibility boundaries during commissioning and troubleshooting
– Higher engineering and project management overhead due to coordination among several vendors
– Longer timelines for Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), and performance qualification
By contrast, Tetra Pak’s integrated offering with Bioreactors.net aims to provide:
– Single technology partner for upstream, fermentation, downstream, and packaging, simplifying project interfaces and risk allocation
– Harmonised automation architectures, enabling end-to-end data capture and advanced analytics across the entire process line
– Standardised modules (e.g., media prep skids, fermentation skids, CIP skids) that can be replicated and scaled, shortening engineering lead times
– Coordinated validation support, from FAT/SAT through IQ/OQ/PQ documentation, easing regulatory submissions and customer audits
For producers, this can translate into reduced CAPEX related to engineering hours, fewer integration risks, and a faster path from design to stable operation.
TL;DR: Instead of managing multiple OEMs, customers can rely on Tetra Pak as a single partner delivering interoperable modules, unified automation, and coordinated validation, reducing integration risk and project complexity.
Addressing Common New Food Pain Points

New Food and alternative protein producers frequently face several recurring challenges:
– Technology risk and scale-up uncertainty – lab-scale results are not always predictive of 10,000 L performance
– CAPEX constraints – large fermenters, utilities, and downstream equipment require significant upfront investment
– Regulatory validation and food safety – especially when aiming for cGMP or export market approvals (e.g., EU, US FDA, EFSA)[EFSA]
– Process reproducibility and product consistency – critical for customer acceptance and contract manufacturing agreements
The combined Tetra Pak and Bioreactors.net portfolio helps mitigate these pain points by:
– Offering modular, scalable plant concepts that allow customers to start at smaller capacities and expand later, optimising CAPEX deployment
– Providing engineering support for scale-up, including computational tools, pilot trials at Tetra Pak New Food Technology Development Centre, and access to Biotech Heights in Lund for joint development projects
– Designing equipment based on hygienic and regulatory design principles (e.g., EHEDG, HACCP, support for cGMP-aligned documentation) to support compliance pathways
– Implementing robust automation, recipe control, and data collection that improve batch-to-batch consistency and enable data-driven optimisation
TL;DR: By combining modular plant design, strong scale-up support, and regulatory-ready hygienic engineering, Tetra Pak and Bioreactors.net help New Food producers manage technology risk, CAPEX, compliance, and process consistency.
Bioreactors.net’s Perspective on the Acquisition
For Bioreactors.net, joining Tetra Pak marks a major growth milestone and a chance to industrialise its bioreactor platforms faster and on a larger geographic scale.
Janis Misins-Jubels, Head of Manufacturing at Bioreactors.net, emphasised that combining:
– Bioreactors.net’s deep technical expertise in bioreactor design, manufacturing, and process integration
– Tetra Pak’s global reach, service network, and established processing portfolio
will accelerate the delivery of world-class fermentation solutions to customers worldwide.
This partnership is expected to:
– Provide Bioreactors.net’s existing customers with access to a broader ecosystem of processing technologies, including downstream and packaging
– Strengthen after-sales support and service capabilities globally through Tetra Pak’s established field service and spare parts network
– Support continuous innovation in bioreactor technology for New Food producers, including higher degrees of automation, improved energy efficiency, and better integration with plant-wide digital systems
TL;DR: Bioreactors.net gains global reach, stronger service capabilities, and a broader technology ecosystem, while customers benefit from more comprehensive and future-ready fermentation solutions.
Part of Tetra Pak’s Broader New Food Strategy

The acquisition of Bioreactors.net aligns with Tetra Pak’s ongoing investments in the New Food category and biotechnology-driven food production.
Key recent initiatives include:
– Tetra Pak New Food Technology Development Centre in Karlshamn, Sweden
– Opened in June 2024 (as announced), this centre supports development, testing, and scale-up of New Food processing solutions, including plant-based and fermentation-based products. It provides pilot-scale equipment, process design expertise, and access to application specialists.
– Biotech Heights in Lund, Sweden
– Launched in 2023 in collaboration with Lund University, this innovation hub focuses on biotech and food innovation, bringing together researchers, start-ups, and industry partners to accelerate new concepts.
These investments, combined with the acquisition of Bioreactors.net, demonstrate Tetra Pak’s commitment to:
– Supporting the global transition to more sustainable, resource-efficient food systems, in line with international climate and nutrition goals[IPCC]
– Enabling the commercialisation of precision fermentation and biomass fermentation innovations, including bioreactor scale-up for alternative proteins
– Positioning itself as a leading technology partner in the New Food and alternative protein ecosystem with end-to-end precision fermentation processing solutions
TL;DR: The acquisition complements Tetra Pak’s investments in New Food R&D centres and partnerships, reinforcing its role as a long-term technology partner for sustainable, fermentation-based food systems.
Future Innovation Roadmap: Continuous Fermentation and Digitalisation
Looking ahead, Tetra Pak’s integration with Bioreactors.net opens opportunities for further innovation in industrial fermentation equipment and process design, such as:
– Continuous and hybrid fermentation concepts – moving beyond traditional batch/fed-batch processes to continuous or intensified systems that can improve volumetric productivity and reduce downtime
– Inline analytics and PAT (Process Analytical Technology) – increased use of inline spectroscopic sensors, biomass probes, and advanced off-gas analysis to monitor product formation in real time and adjust control strategies accordingly
– Digital twins and process modelling – development of virtual models of bioreactors and full processing lines to support scale-up, scenario testing, and operator training
– Modular plant concepts – standardised skids that can be replicated globally with localisation of utilities and regulatory adjustments, balancing standardisation with necessary customisation for different microorganisms and product types
Such developments are expected to further reduce cost of goods sold (COGS), speed up process development cycles, and enhance robustness of fermentation operations for New Food manufacturers.
TL;DR: Future focus areas include continuous fermentation, advanced inline analytics, digital twins, and modular plant concepts—aimed at making fermentation-based food production more productive, predictable, and scalable.
What This Means for the New Food Industry

For companies operating in the New Food and alternative protein space, the Tetra Pak–Bioreactors.net combination offers several benefits:
– Access to integrated processing and fermentation solutions—from lab-scale trials to full commercial plants—through a single provider
– Stronger technical support for scaling precision and biomass fermentation lines, including pilot testing and process modelling
– Increased confidence in food safety, quality, and regulatory compliance through hygienic design, validated CIP/SIP, and structured documentation packages
– Improved ability to move from R&D to reliable commercial production, including options for phased capacity expansion to match market growth
As demand grows for sustainable proteins and fermentation-derived ingredients, combinations of fermentation expertise and end-to-end processing capabilities are likely to play a key role in turning lab-scale innovations into commercially viable food products available worldwide.
TL;DR: For New Food manufacturers, the combined offering enhances access to integrated, compliant, and scalable fermentation lines, helping move products from lab to large-scale production more reliably.
Conclusion
Tetra Pak’s acquisition of Bioreactors.net significantly expands its capabilities in bioreactor technology and New Food processing. By integrating specialised bioreactors with Tetra Pak’s upstream and downstream expertise, the company can provide industrial fermentation equipment and turnkey fermentation lines that address the full lifecycle of alternative protein and specialty ingredient production.
For producers, this means a more predictable pathway from proof of concept to commercial-scale operations, with reduced integration risk, better process control, and stronger support for regulatory and sustainability targets. The move supports the broader evolution of the food industry toward more sustainable, innovative, and efficient production models and reinforces Tetra Pak’s role as a trusted partner for the next generation of food manufacturers.
TL;DR: The acquisition creates a powerful, integrated platform for precision and biomass fermentation—from bioreactors to packaging—helping New Food companies scale sustainable products efficiently and reliably.
FAQ

Q: What does Tetra Pak’s acquisition of Bioreactors.net mean for New Food producers?
A: New Food producers gain access to an integrated portfolio that covers media preparation, bioreactors, downstream processing, and packaging under one supplier. This reduces the complexity of coordinating multiple OEMs, shortens project timelines, and provides a clearer accountability structure for performance, service, and validation across the entire fermentation line.
Q: What types and sizes of bioreactors are available through the combined portfolio?
A: Tetra Pak and Bioreactors.net offer stirred-tank, airlift, and custom-configured bioreactors from lab to commercial scale. Typical working volumes range from 1–10 L for R&D, 30–500 L for pilot studies, and 1,000–50,000+ L for commercial production. Systems can be configured for batch, fed-batch, or perfusion, with automation, CIP/SIP, and hygienic design tailored to specific microorganisms and process requirements.
Q: How does the combined solution support scale-up for precision fermentation and biomass fermentation?
A: Scale-up support includes access to pilot plants, engineering expertise in oxygen transfer and mixing, and digital tools to translate lab data to industrial scales. Bioreactors.net’s design experience is leveraged to maintain key scale-up criteria (e.g., power input per volume, kLa, shear conditions), while Tetra Pak integrates upstream and downstream equipment to ensure that media preparation, separation, and formulation capacity are matched to fermentation output.
Q: What maintenance and service models are available for the bioreactor systems?
A: Tetra Pak provides global service coverage with preventive maintenance contracts, remote monitoring options (where agreed), and access to spare parts through its established network. For bioreactors, this typically includes scheduled checks on sensors, seals, valves, agitation systems, and CIP/SIP performance, as well as calibration services for critical instruments such as pH, DO, and temperature probes. Service packages can be tailored to plant uptime targets and regulatory requirements.
Q: Can existing plants retrofit Tetra Pak–Bioreactors.net systems without a full greenfield project?
A: Yes. The portfolio includes modular skids (e.g., media prep, fermentation, CIP) that can be integrated into existing facilities. Retrofit projects may involve replacing legacy fermenters, adding additional capacity, or upgrading automation and CIP/SIP systems to meet new product or regulatory requirements. Front-end engineering design (FEED) studies and on-site assessments help align retrofit scope with existing utilities, layout constraints, and production goals.
Q: How is regulatory and validation support handled for fermentation-based food production?
A: For customers targeting cGMP or stringent food safety standards, Tetra Pak and Bioreactors.net provide documentation and support for equipment qualification (IQ/OQ/PQ), CIP/SIP validation, and hygienic design verification. Automation systems can be configured to support 21 CFR Part 11-compliant electronic records and signatures where needed. The engineering teams work with customers’ quality and regulatory departments to align equipment design and documentation with relevant guidelines (e.g., HACCP, FSMA, EHEDG recommendations).
Q: How will Tetra Pak balance standardisation and customisation of bioreactor platforms?
A: The strategy is to use standardised core modules—such as vessel geometries, agitation systems, and automation templates—to reduce lead times and ensure reliability, while allowing customisation of key process parameters (e.g., impeller types, gas-mix strategies, feed systems, and sensor configurations) to match specific organisms and products. This modular approach helps maintain cost-efficiency and scalability while still meeting unique process needs.
