Apparatus for continuous granulation of powder material
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United States of America Patent
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Dec 26, 2023
Grant Date -
Feb 18, 2021
app pub date -
Aug 31, 2020
filing date -
Jul 31, 2015
priority date (Note) -
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Abstract
A co-rotating twin screw processor for preparing dry granules including an input zone having one or more powder feeders for feeding an input material into the processor, a steam feeder configured to introduce steam as a granulation activating agent in to the processor, a granulation zone for granulating the input material in the presence of steam to form granules, a controller configured to control operation and feed rate of at least one of the powder feeder or the steam feeder such that 2.5 to 5 percent w/w of the steam with respect to the input material is available for granulation, and a discharge zone haring a non-extruding opening for collecting dry granules.
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