All Technologies
Downstream Processing
Downstream processing encompasses all the unit operations required to recover, purify, and formulate the target product from fermentation broth or cell culture. In the alternative protein industry, this includes cell harvesting, lysis, filtration, chromatography, concentration, and drying. Efficient downstream processing is crucial for product quality and cost-effectiveness.
Process Overview
- 1Cell Harvesting: Separate cells from culture medium
- 2Cell Lysis: Break open cells to release target molecules
- 3Clarification: Remove cell debris via centrifugation/filtration
- 4Purification: Isolate target via chromatography or membrane systems
- 5Concentration & Drying: Reduce volume and dry for storage
Key Equipment
- Centrifuges (disc stack, decanter)
- Tangential flow filtration systems
- Chromatography columns
- Spray dryers and freeze dryers
- Homogenizers
Applications
- Precision fermentation product recovery
- Plant protein isolate production
- Enzyme purification
- Algae biomass processing
Benefits
- Critical for product purity
- Established pharmaceutical technologies
- Continuous processing options
- Modular and scalable systems
Challenges
- Major cost contributor (up to 60-80% of total)
- Product loss during purification
- Energy-intensive processes
- Different requirements per product
