BÜCHI Labortechnik AG

Model B-295 - Inert Loop



The Inert Loop is the perfect accessory to enable the Mini Spray Dryer B-290 and the Nano Spray Dryer B-90 to handle organic solvents safely. Furthermore, it conserves resources and environment due to its functional principle.


  • Enables the BUCHI Spray Dryers to work with organic solvents safely
  • Explosion free Spray Drying due to inert gas atmosphere
  • Prevent explosive conditions due to oxygen and pressure control
  • Optional combination with the Dehumidifier B-296 for mixtures of solvents and water

Cost effective

  • Low consumption of inert gas
  • Recovers the organic solvents
  • Fast installation
  • Space saving due to integrated trolley

Environmentally sustainable

  • “Closed loop” approach minimizes pollution and protects the environment
  • Cooling circuit recovers organic solvents (-20 °C)
  • Eliminates instrument damage during the process with organic solvents

  • Dimensions (WxHxD): 600 x 700 x 845 mm
  • Weight: 88 Kg
  • Power consumption: max. 1400 W
  • Connection voltage: 200-230 V ± 10 %
  • Frequency: 50/60 Hz
  • Max. temperature input: Down to -20°C
  • Rate of cooling: 800 W at -10 °C


Spray Drying & Encapsulation Pharmaceuticals

Active pharmaceutical ingredients, drug delivery, vaccines, inhalable drugs, taste masking


Spray Drying & Encapsulation Food

Encapsulation of additives, controlled release, nutraceuticals, functional foods, flavors, vitamins, proteins, probiotic bacteria, juice concentrate, milk powder


Spray Drying & Encapsulation Materials and Nano technology

Nanotechnology, catalysts, fuel cells, batteries, accumulators, ceramics, UV absorbers, pigments and coatings


Spray Drying & Encapsulation Feed

Encapsulation of additives, flavors, vitamins, proteins, probiotic bacteria, controlled release


Spray Drying & Encapsulation Others

Cell, bacteria and protein encapsulation, cell transplantation, biotransformation, cosmetics, fragrances, environmental applications.


Spray Drying & Encapsulation Academia

For a wide range of applications in academic education:

  • Full range of spray drying applications

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