Apparatus for reacting a gas and a particulate material in an enclosure, and method for operating said apparatus
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United States of America Patent
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May 31, 1994
Grant Date -
N/A
app pub date -
Dec 12, 1991
filing date -
Apr 20, 1990
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The reactor includes: a lower zone (I) having a fast circulation fluidized bed; a zone having a dense fluidized bed (13) and located adjacent to the top of the lower zone, being separated therefrom by a dividing wall, the top layer of the dense bed receiving falling particulate materials, and its bottom layer returning these materials to the lower zone (I); and a higher zone having a fast circulation fluidized bed. The invention is applicable to boilers.
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