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Bead Milling

Bead mills use high-energy collisions between beads and cells to break open microbial cells and microalgae. Bühler designs and supplies bead milling systems tailored to your organism, product, and process conditions – from lab-scale trials to full industrial production lines. With precise control of energy input and temperature, our solutions help you achieve efficient cell disruption while protecting sensitive products.

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Key benefits

Efficient cell disruption

High and reproducible disruption efficiency for bacteria, yeasts, fungi, and microalgae, supporting high product yields.

Gentle on sensitive products

Controlled energy input and temperature management help protect heat- and shear-sensitive proteins and other high-value molecules.

Optimized for your process

Bead size, filling degree, residence time, and agitation are tuned to your media, viscosity, and downstream requirements.

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Tailored bead mill design

Configured for your organisms and products

Bühler designs bead milling systems specifically for your microbial cells or microalgae. Chamber geometry, bead material, and bead size are selected to achieve the desired level of cell disruption while maintaining stable operation. Whether your focus is on enzyme release, intracellular proteins, pigments, or other metabolites, we configure the mill to meet your performance targets.


Process control for product protection

Managing energy and temperature

Bead milling can introduce significant mechanical energy into the product. Our systems include precise control of agitation speed, bead filling, and residence time, combined with effective cooling concepts, to keep product temperatures within defined limits. This helps to minimize denaturation or degradation of sensitive products while still delivering strong disruption performance.


Scalable from lab to production

Consistent performance across scales

Working with your team, Bühler develops scalable operating windows from early lab trials to full-scale production. Pilot-scale trials are used to define the optimal combination of bead size, energy input, and throughput. These parameters are then translated to industrial mills, ensuring that the efficiency and product quality demonstrated at small scale can be reproduced in commercial operation.

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Got Questions? Let's talk.


bioprocessing@buhlergroup.com