Patent ID: 9084944
Filing Date: 2015-07-21
Classification: A61K,B01D,B01J

Abstract:
1. A spray-drying apparatus comprising: a drying-gas conduit; a drying chamber having a first end, a second end, and at least one side wall extending between the first and second ends to define an interior of the drying chamber having a center axis; and a nozzle positioned at the first end of the drying chamber, the nozzle being configured to atomize liquid and spray the atomized liquid into the interior of the drying chamber, wherein the drying-gas conduit is in fluid communication with the drying chamber, and is configured to direct a flow of drying gas into the drying chamber, and 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, and at least a portion of the at least one side wall that surrounds the nozzle at the first end of the drying chamber extends away from the center axis at a first angle relative to the center axis, the first angle being at least 5° but less than 45°.