Spray Drying

Nozzle

The two-fluid nozzle disperses the liquid into fine droplets, which are dried quickly and gently in the drying chamber.

Spray drying in the lab

Spray Drying is a unique method to convert a solution, suspension or emulsion into a solid powder in one single process step. It is a widely established process in many industries such as pharmaceuticals, food, chemical or material science.

Büchi Labortechnik AG offers spray dryers in the laboratory scale for more than 30 years. These instruments are used for first trials, feasibility studies, parameter optimization and production of small powder batches. Now Büchi sets a new light with the NEW, unique Nano Spray Dryer B-90. A world novelty for fine particles from minimal sample quantities at high yields!

Whether the requirement is the gentle drying of natural product dyestuffs, the isolation of highly effective pharmaceutical agents or the micro-encapsulation of flavours - the Mini Spray Dryer B-290's and the Nano Spray Dryer B-90's outstanding features greatly extends the number of applications that are possible with a spray drying process.

The Mini Spray Dryer B-290 can be extended to a closed-loop configuration with the Inert Loop B-295 to work safely with organic solvents under inert conditions. The pressure and oxygen concentration are permanently monitored.

The Dehumidifier B-296 is the versatile instrument of choice to condition the inlet drying air, to cool the gas for spray chilling or to work in closed mode with water/solvent mixtures.

Buchi offers a wide range of accessories to build up a complete lab-scale system tailored to your requirements.

NEW: Nano Spray Dryer B-90

World novelty for fine particles from minimal sample quantities at high yields! Experience submicron spray drying!

It's a pioneering instrument for new breakthroughs innovations in R&D:

processing of sample amounts < 100 mg
fine dried particles of 300 nm to 5 μm with narrow size distribution
high product yield up to 90%
ideal for R&D feasibility studies on high value pharmaceutical and nanomaterial formulations

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Mini Spray Dryer B-290

Particle Technology in the Laboratory - The Mini Spray Dryer B-290 is the market leading laboratory spray dryer for over 30 years.

The Mini Spray Dryer is the perfect solution for:

quick and gentle drying of heat-sensitive products in aqueous and organic solutions to free flowing powder
high performance cyclone separation for high yield and
minimal product loss
easy scale-up of the process to industrial production
ideal for R&D feasibility studies on high value pharmaceuticals, biotech products and food ingredients

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We are the experts in lab-scale spray drying

We share our experience with you!

Take advantage of Buchi’s new free online Spray Dryer Application Database find out if your product has already been spray dried.

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