A spray dryer separates solute as solid, solvent as vapor; material is collected in a drum or cyclone. A nozzle sprays the liquid input stream into a hot vapor stream, causing it to evaporate.As droplets evaporate, a nozzle maximizes heat transfer, forming solids. High-pressure single-fluid and two-fluid nozzles are primary for drying. When compared with other methods of drying... https://alaquainc.com/what-is-a-spray-dryer-and-how-does-a-spray-dryer-work/