The spray drying process starts the same way as freeze dried and goes through the same roasting, grinding, and brewing process. But rather than freezing the coffee, it is sprayed into a drying chamber together with hot air. The hot air is around 160 degrees Celsius (around 320 degrees Fahrenheit) and travels around the chamber at around 400 mph. This high-velocity air atomizes the cof... https://www.quora.com/profile/Thomasgoode-1