Mini Spray Dryer B-290

The world leading R&D solution for Spray Drying


For more than 30 years BUCHI provides an easy to use product with proven performance. Discover its outstanding efficiency and flexibility.

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Proven performance

Large range of applications due to:
  • Free access to global application database
  • Over 700 publications
  • Over 400 patents
  • Local application support by BUCHI
  • Thousands of satisfied customers

Cost efficient

  • Reproducible powder production at lab scale
  • Small sample amount saves valuable material (> 5 g)
  • High yields (up to 70%)
  • Fast drying process (up to 1 L / h)
  • Shorter times to optimize formulations
  • Lowest maintenance costs

Easy to use

  • Intuitive handling
  • Scale up to pilot or industrial scale possible
  • Fast setup and cleaning times
  • Visible process due to glass assembly
  • Adjustable particle size (2 - 25 microns)
Inert Loop B-295

Inert Loop B-295

  • For working in inert atmospheres
  • Condensation of solvents
  • Feedback of inert gases
Dehumidifier B-296

Dehumidifier B-296

  • Constant ambient conditions
  • Condensation of water
  • For use in combination with Inert Loop B-295 for solvents and water-based mixtures
Three nozzle variations

Three nozzle variations

  • Two-fluid nozzle for particle sizes 2 – 25 µm
  • Three-fluid nozzle for spraying immiscible fluids
  • Ultrasonic Package for particle sizes 10 – 60 µm
Application-specific glassware

Application-specific glassware

  • High-performance cyclonic separator for small particles
  • Brown glass for light-sensitive products
  • Decontamination flask
  • Custom designs also possible
Spray solidification bath

Spray solidification bath

Spray solidification bath for working with molten wax and polymer samples with a melting point of up to 70 °C.



Experienced BUCHI technicians in our laboratories all over the world will be happy to help you configure your specific application. There is also a database containing details of several hundred applications.

Product video