Patent ID: 9084976
Filing Date: 2015-07-21
Classification: B01D,B01J

Abstract:
1. A process of spray drying, comprising: forming a plurality of droplets by atomizing a spray solution using a nozzle positioned at the first end of a drying chamber, the drying chamber further comprising a second end and at least one side wall extending between the first and second ends to define an interior of the drying chamber and having a center axis, wherein at least a portion of the at least one side wall surrounds the nozzle at the first end of the drying chamber and extends away from the center axis at a first angle relative to the center axis, the first angle being at least 5 degrees but less than 45 degrees, and wherein a ratio of the length between the first and second ends to a maximum width between opposing internal surfaces of the interior of the drying chamber is at least 5 to 1; delivering the plurality of droplets into the drying chamber; delivering drying gas into the drying chamber in substantially parallel flow to at least partially dry the plurality of droplets to form a plurality of particles; and directing the plurality of particles out of the drying chamber; wherein the spray solution is initially at a temperature T