Laboratory Products
New Advancement in Spray Drying Technology
Jun 23 2010
With the addition of the Nano Spray Dryer B-90 to its already successful product line, Büchi expands today’s spray drying possibilities. This innovative technology for particle generation in the nanometer range uses minimal sample quantities and achieves the highest possible product recovery rates. The B-90 is designed to evaluate drying during the early stages of product development in the pharmaceutical, food, advanced materials, and nanotechnology industries for aqueous or solvent based formulations.
The droplet generation is based on a piezoelectric driven actuator, which vibrates a thin, perforated membrane in a small spray cap. The membrane features an array of micron-sized holes. The actuator is driven at ultrasonic frequency, causing the membrane to vibrate, creating precisely sized droplets with very narrow droplet distribution.
The heater technology is based on porous metal foam, providing a laminar gas flow in the drying chamber. Optimal energy input guarantees fast heating times up to 120°C, for gentle drying of heat-sensitive materials.
The dried particles are separated by an electrostatic particle collector with excellent recovery rates. It enables easy collection of small sample quantities of high value products.
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Lab Asia 31.4 August 2024
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