Method of preventing or reducing agglomeration on grid in fluidized-bed vessel
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United States of America Patent
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Feb 28, 2012
Grant Date -
Aug 27, 2009
app pub date -
Feb 27, 2008
filing date -
Feb 27, 2008
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Abstract
A method for preventing or reducing agglomeration and/or accumulation on or around the gas distribution grid in a fluidized-bed vessel. The method involves introducing one or more scouring balls into the vessel above the gas distribution grid, and carrying out a fluidized-bed process in the presence of the scouring balls.
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