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Buchi B-290 Mini Spray Dryer System

Buchi B-290 Mini Spray Dryer System
Price: $36,500.00

The Buchi Mini Spray Dryer B-290 has been designed and built as a laboratory instrument. The system is also adaptableto batch production. The B-290has been the world leading laboratory scale spray dryer since many years. It is designed to accommodate your spray drying process for wide range of applications in various fields such as pharma, materials, chemistry, food, feed, beverages, etc. It allows working with acids, organic solvents or mixtures of aqueous- and organic solvents safely in combination with the Inert Loop B-295 and the Dehumidifier B-296.

This system is in very nice condition. It comes complete with a Jun-Aire air compressor, Buchi 296 dehumidifier and an assortment of ancillary components. It is priced at about half the cost of a new system with similar components.


  • Easy to operate, efficient and features a large range of applications.

  • 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 to 25 microns)

  • Reproducible powder production at lab scale

  • Small sample amount saves valuable material (> 5g)

  • High yields (up to 70%)

  • Fast drying process (up to 1L/ h)

  • Shorter times to optimize formulations

  • Low maintenance costs


  • Power consumption: max 400 W

  • Connection voltage: 200-230 V ± 10 %

  • Frequency: 50/60 Hz

  • Batch volume: 0.3 litre

  • Heating control (from B-290) PT-100, control accuracy ± 2°C

  • Interface: Serial port RS-232 for all parameters

  • Spray gas: Compressed air or nitrogen / 200 - 800 l/h, 5 - 8 bar

  • Nozzle tip diameter: 0.7 mm standard, other sizes 1.4 and 2.0 mm available

  • Possible particle diameter range: 20 - 200 μm

  • Mean residence time: 1.0 - 1.5 sec.

  • Dimensions (W x H x D): 20 x 20 x 30 cm

  • Weight: 2.4 kg

  • Heating liquid: Water or a thermal oil (polyethylene glycol PEG 400 with low viscosity)

  • Heating liquid volume: 1.4 litre Max.

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