Process for pan granulating a particulate material
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United States of America Patent
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Oct 24, 1995
Issued Date -
N/A
app pub date -
Mar 7, 1994
filing date -
Apr 30, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Industrial materials can be efficiently pan granulated by grinding the material to 95% minus 150 mesh, feeding this to a pan in conjunction with 1 to 15% seed materials and applying binder solution such that the free moisture content of the green ball is between 8-13% by weight of the feedstock. The granules build up on the seed to a desired size range, say -5 to +8 mesh, in an onion skin manner. Product is sent preferably to a fluid bed dryer for drying. The productivity and classification is very high with yields up to 95% for two mesh size ranges, such as -5 to +8 mesh.
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