Chromatography Scale Up Across Development and Production

Column Design Defines the Operating Conditions. The Packed Bed Delivers the Separation.

At production scale, separation is not defined by the chromatographic method alone.

Column design sets the operating conditions under which the process must run.
Flow distribution, pressure behaviour, and the ability to form and maintain a stable packed bed are all influenced by how the column is designed and operated.

The packed bed delivers the separation, but only within these conditions.

As column diameter increases, maintaining uniform conditions across the bed becomes more challenging. Small deviations in packing or flow can affect separation in ways that are not observed at laboratory scale.

This is why performance at small scale does not always translate directly to production.

If you are working with chromatography scale-up, we’re happy to exchange ideas and discuss how these conditions relate to your current setup.

Questions we often meet in customer dialogues:

• How does column design influence flow distribution as diameter increases?

• How is a stable packed bed established and maintained at production scale?

• How do operating conditions determine whether performance can be maintained over time?

You may be working with similar challenges, or others that come up in your organisation. We’re happy to exchange perspectives.

Technical Insight:

Maintaining Performance at Production Scale Differs from Development

Maintaining chromatographic performance at production scale is not a continuation of process development.

At laboratory scale, performance is established under controlled conditions, where flow distribution, pressure behaviour, and packing can be maintained consistently.

As column diameter increases, these conditions change. Flow distribution becomes more difficult to control, pressure behaviour changes, and variability in packing has a direct impact on performance.

As a result, performance at small scale often reflects controlled conditions rather than a fully robust process.

At production scale, performance depends on the ability to maintain stable conditions across the packed bed, not just on the method itself.

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About Malene

Malene Linderoth has +30 years of life science experience from companies like GE Healthcare Lifescience.

She now manages Peak Biotech's customer relationships working with downstream chromatography at production scale, focusing on how performance can be maintained under real GMP manufacturing conditions. Her work centers on how column design, packing, and operating conditions influence stability and reproducibility in practice.